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49634-Z
¢' S1yFFOt�r �o�o C�Gi Town of Southold 9/13/2023 P.O.Box 1179 W m 53095 Main Rd 4 00� • Southold,New York 11971 CERTIFICATE OF OCCUPANCY No: 44542 Date: 9/13/2023 THIS CERTIFIES that the building ADDITION/ALTERATION Location of Property: 30100 Route 25, Cutchogue SCTM#: 473889 Sec/Block/Lot: 102.-3-7 Subdivision: Filed Map No. Lot No. conforms substantially to the Application for Building Permit heretofore filed in this office dated 8/3/2023 pursuant to which Building Permit No. 49634 dated 9/1/2023 was issued,and conforms to all of the requirements of the applicable provisions of the law. The occupancy for which this certificate is issued is: "as built"hot water heater and outdoor shower addition to existing unheated accessory building as applied for. The certificate is issued to Soundview Hall LLC of the aforesaid building. SUFFOLK COUNTY DEPARTMENT OF HEALTH APPROVAL ELECTRICAL CERTIFICATE NO. 49634 9/11/2023 PLUMBERS CERTIFICATION DATED 9/12/2023 WAorize iecuch gnature �ao`pSUF t BUILDING DEPARTMENT TOWN CLERK'S OFFICE oy • � ' SOUTHOLD, NY dol .�a s BUILDING PERMIT (THIS PERMIT MUST BE KEPT ON THE PREMISES WITH ONE SET OF APPROVED PLANS AND SPECIFICATIONS UNTIL FULL COMPLETION OF THE WORK AUTHORIZED) Permit#: 49634 Date: 9/1/2023 Permission is hereby granted to: Soundview Hall LLC 13235 Main Rd PO BOX 1672 Mattituck, NY 11952 To: Legalize an "as-built" hot water heater in an existing accessory structure as applied for. Additional information may be required. Accessory structure is to remain unheated. At premises located at: 30100 Route 25, Cutchogue SCTM #473889 Sec/Block/Lot# 102.-3-7 Pursuant to application dated 8/3/2023 and approved by the Building Inspector. To expire on 3/2/2025. Fees: AS BUILT-ACCESSORY $200.00 CO-ACCESSORY BUILDING $50.00 Total: $250.00 Building Inspector pv SO!/T�OI 0 Town Hall Annex Telephone(631)765-1802 54375 Main Road P.O.Box 1179 sean.devlin(a)-town.southold.ny.us Southold,NY 11971-0959 'Q • �O �yC4UN N,N BUILDING DEPARTMENT TOWN OF SOUTHOLD CERTIFICATE OF ELECTRICAL COMPLIANCE SITE LOCATION Issued To: Soundview Hall LLC Address: 30100 Route 25 city:Cutchogue st: NY zip: 11935 Building Permit* 49634 Section: 102 Block: 3 Lot: 7 WAS EXAMINED AND FOUND TO BE IN COMPLIANCE WITH THE NATIONAL ELECTRIC CODE Contractor: Electrician: AS BUILT License No: SITE DETAILS Office Use Only Residential X Indoor X Basement X Service Commerical Outdoor 1st Floor Pool New Renovation 2nd Floor Hot Tub • Addition Survey X Attic Garage INVENTORY Service 1 ph Heat Duplec Recpt Ceiling Fixtures Bath Exhaust Fan Service 3 ph Hot Water Gas GFCI Recpt Wall Fixtures Smoke Detectors Main Panel A/C Condenser Single Recpt Recessed Fixtures CO2 Detectors Sub Panel A/C Blower Range Recpt Ceiling Fan Combo Smoke/CO Transfer Switch UC Lights Dryer Recpt Emergency Strobe Heat Detectors Disconnect Switches 2 4'LED Exit Fixtures Sump Pump Other Equipment: Gas HW Heater Notes: " AS BUILT NO VISUAL DEFECTS " HW Heater Inspector Signature: Date: September 11, 2023 S. Devlin-Cert Electrical Compliance Form Tours Hail Annex Telephone(631)76. 54375 Main Road Fax(631)765-9. P.O.Sox 1179 G SouthdId.NY 119971-0959 SUHDING DEPARTMENT TOWN OF SOUMOLD SEP 1 2 2023 CERTIFICATION DEPT- DMC: J/IZIZ3 BuHding Pcm&No. g963q Owner. -Sounjv k ew 4ci II L L6 (Please print) Plumber: P)rad Pi eCvCh F certify that the solder used in the grater supply system conwus,less am 2110 of I,yo lead. r (Phfinbers Signage) SWUM tD befare M0 dds (ZT N day of---SgP4-grub-r , 20 SE)SAK,A.RIZZG Not 1 FiNic.�e o= e;c�York No.{ti..1t6:33459 f/ CSuarn;d In Sui�cllc Court _... - Ea;nrras.,it�r ;,p;re�ivIRTC�i r,2 Notary Public, County pF SOUTy°� <27& # # TOWN OF SOUTH OLD BUILDING DEPT. 631-765-1802 INSPECTION [ ] FOUNDATION 1ST [ ] ROUGH PLBG. [ ] FOUNDATION 2ND [ ] INSULATION/CAULKING [ ] FRAMING /STRAPPING [ ] FINAL [ ] FIREPLACE & CHIMNEY [ ] FIRE SAFETY INSPECTION [ ] FIRE RESISTANT CONSTRUCTION [ ] FIRE RESISTANT PENETRATION [ ] ELECTRICAL (ROUGH) ELECTRICAL (FINAL) [ ] CODE VIOLATION [q ,] �P IRE C/O [ ] RENTAL REMARKS: DATE �r Z INSPECTOR Of SOUTyO� TOWN OF SOUTHOLD BUILDING DEPT. couto, 631-765-1802 INSPECTION [ ] FOUNDATION 1ST [ ] ROUGH PLBG. [ ] FOUNDATION 2ND [ ] I ULATION/CAULKING [ ] FRAMING /STRAPPING [ FINAL 06 [ ] FIREPLACE & CHIMNEY [ ] FIRE SAFE Y INSPECTION [ ] FIRE RESISTANT CONSTRUCTION [ ] FIRE RESISTANT PENETRATION [ ] ELECTRICAL (ROUGH) [ ] ELECTRICAL (FINAL) [ ] CODE VIOLATION [ ] PRE C/O [ ] RENTAL REMARKS: I IV 646(/Vy IQ C4 . ! qj&lvEC,, Q � DATE / INSPECTOR -Ito* f O/ 1�VWOVA#, •;} l i Jd T i4 's a yA O a g N a �i ALERrw E ALARM► © 3 ` � Jr +n ' • SM ARM �� F w.. Wr . �" F►asrwcFrrr- S.�O a 40. Sys gn ttery POwercoti WhIum F ?IELD INSPECTION REPORT DATE COMMENTS 4g- FOUNDATION gFOUNDATION (1ST) -------------------------------- FOUNDATION (2ND) c L= z C)3 o O � d y r" ROUGH FRAMING& PLUMBING So (� INSULATION PER N.Y. 5 y STATE ENERGY CODE y � FINAL l �+ 0 ADDITIONAL COMMENTS c_- 23 a� e c � 7 rC0 - "�" o A � -1Di w � , >1 Ny U1 0 z x x d b H �aov o�y TOWN OF SOUTHOLD—BUILDING DEPARTMENT ' Town Hall Annex 54375 Main Road P. O. Box 1179 Southold NY 11971-0959 oy �► o� Telephone (631) 765-1802 Fax(631) 765-9502 https://www.southoldtownnygov Date Received APPLICATION FOR U- __ � QFor Office Use Only v � ,, 7'1 PERMIT NO.H(�/F`e 31 Building Inspector: JULN,�423 AIS01ications and forms must be filled out in their entirety:Incomplete ap'p'lications will notbe accepted. Where the Applicant is not the owner,anUMIT O . Owner's Authorize#ion form(Page 2)shall be completed. Date: 19th June, 2023 OWN,ER(S)Or PROPERTY: Name: Soundview Hall L.L.C. SCTM#1000-102.00-03.00-007.000 Project Address: 5 , Cutchogue, N.Y. 11935 So Phone#: 631.680.1157 [Email: djjlaw@icloud.com Mailing Address: P.O. Box 1672, Mattituck, N.Y. 11952 CONTACT PERSON: Name: Nigel Robert Williamson Mailing Address: P.O. Box 1758, Southold, N.Y. 11971 Phone#: 631 .834.9740 Email: nigel_architect@hotmail.com DESIGN PROFESSIONAL INFORMATION: Name: Nigel Robert Williamson R.A. Mailing Address: P.O. Box 1758, Southold, N.Y. 11971 Phone#: 631.834.9740 Email: nl rchitect@hotmail.com CONTRACTOR INFORMATION: Name: (6 L Mailing Address: Phone#: Email: DESCRIPTION OF PROPOSED CONSTRUCTION ❑New Structure Addition ®Alteration ❑Repair ❑Demolition Estimated Cost of Project: DOther `i $ Will the lot be re-graded? ❑Yes ®No Will excess fill be removed from premises? QYes El No N 94=K(AcsES! ae.� N�4SHER E� i bT f?-QDN CwItze. T 1 1jav, J PROPERTY INFORMATION Existing use of property: Single family dwelling Intended use of property: Single family dwelling Zone or use district in which premises is situated: Are there any covenants anb restrictions with respect to R40 this property? ❑Yes ®No IF YES, PROVIDE A COPY. 8 Check Box After Reading: The owner/contractor/design professional is responsible for all drainage and storm water issues as provided by Chapter 236 of the Town Code. APPLICATION IS HEREBY MADE to the Building Department for the issuance of a Building Permit pursuant to the Building Zone Ordinance of the Town of Southold,Suffolk,County,New York and other applicable Laws,.Ordinances or Regulations,for the construction of buildings, additions,alterations or for removal or demolition as herein described.The applicant agrees to comply with all applicable laws,ordinances,building code, housing code and regulations and to admit authorized inspectors on premises and in building(s)for necessary inspections.False statements made herein are punishable as a Class A misdemeanor pursuant to Section 210.45 of the New York State Penal Law. i Application Submitted By(print ame): Nigel Robert Williamson BAuthorized Agent Downer Signature of Applicant: Date: / It))E;) Zo 2-3 . STATE OF NEW YORK) SS: COUNTY OF ) Nigel Robert Williamson being duly sworn, deposes and says that(s)he is the applicant (Name of individual signing contract) above named, (S)he is the Agent (Contractor,Agent, Corporate Officer, etc.) of said owner or owners, and is duly authorized to perform or have performed the said work and to make and file this application;that all statements contained in this application are true to the best of his/her knowledge and belief; and that the work will be performed in the manner set forth in the application file therewith. Sworn before me t is I day ofW 20 Note D/WiD J.jAiv?i: ' !I NOTARY PUKiC,ST F CF YORK. • P.egisirabon lNo.02JA@05-585 PROPERTY OWNER AUTHORIZATION Quaiiiied in qui oistCeunry Commission Expires February 13, l y✓l�(Where the applicant is not the owner) � m 2��-� -, � 1� -�✓t)L' ��}�i✓v7i7ti�r PAut6 RY�f�'ily 1, Soundview Hall L.L.C. residingat P.O. Box 1672, Mattituck N .Y. 11952 do hereby authorize Nigel Robert Williamson to apply on my If to the gown of Southold Building De rtment for approval as described herein. Owner's Signature Date E u Print Owner Name 2 9� A S - - f1 i,-T� BUILDING DEPARTMENT- Electrical Inspector ,�r���UfFOC�c���.� TOWN OF SOUTHOLD p y ;'�o Town Hall Annex - 54375 Main Roaid - PO Box 1179 Southold, New York 11971-0959 t�y� Telephone (631) 765-1802 - FAX (631) 765-9502 rogerrC@,southoldtownnV.gov -- sean6( southoldtownny.gov APPLICATION FOR ELECTRICAL INSPECTION ELECTRICIAN INFORMATION (All Information Required) Date: Company Name: Electrician's Name: License No.: Elec. email: Elec. Phone No: ❑I request an email copy of Certificate of Compliance Elec. Address.: JOB SITE INFORMATION (All Information Req red) 14ccy /2)I d- 11r) Name: ���ad,Ea Nates LL.c. Address: S Calc �f✓ �1. . llg3f (� d-� Cross Street: . Phone No.: 631. 834. q7 Bldg.Permit#: 49 (D Oj email: el_ c�tc teot" I,o�M _raM Tax Map District: 1000 Section: 1o2.o0 Block: v3.oo Lot: 007,000 BRIEF DESCRIPTION.QF WORK INCLUDE SQ AR FOOTAGE (Please Print C erl� : I �, rdH cc, �.rr Square Footage: /� WWII VG 4 Circle All That Apply: Is-job ready for inspection?: YES ❑ NO F—]Rough In ❑ Final Do you need a Temp Certificate?: ❑ YES ❑ NO Issued On Temp Information: (All information required) Service Size F11 PhF—]3 Ph Size: A # Meters Old Meter# ❑New Service[]Fire Reconnect[]Flood Reconnect❑Service Reconnect❑Underground❑Overhead # Underground Laterals 1 2 F H Frame Pole Work done on Service? Y N Additional Information: PAYMENT DUE WITH APPLICATION y APPROVED AS NOTED — q(�3 COMPLY WITH ALL CODES OF DATE � B.P.# NEW YORK STATE & TOWN CODES FEE: 5D•00 BY AS REQUIRED AND CONDITIONS OF NOTIFY BUILDING DEPARTMENT AT \ 765-1802 8 AM TO 4 PM FOR THE SOUTHOLD TOWN ZBA FOLLOWING INSPECTIONS: 1. FOUNDATION-TWO REQUIRED SOUTHOLD TOWN PLANNING BOARD FOR POURED CONCRETE :wo 2. ROUGH-FRAMING,PLUMBING, \ SOUTHOLD TOWN TRUSTEES STRAPPING, ELECTRICAL&CAULKING 3. INSULATION N.Y.S.DEC 4. FINAL-CONSTRUCTION&ELECTRICAL MUST BE COMPLETE FOR C.O. ALL CONSTRUCTION SHALL MEET THE REQUIREMENTS OF THE CODES OF NEW YORK STATE. NOT RESPONSIBLE FOR DESIGN OR CONSTRUCTION ERRORS. ELECTRICAL INSPECTION REQUIRED Additional Certification May Be Required. WP St. St. St. ac-4 ��L►_ -- - - 5D f co.7;�Al- - VENT -GOQDF.►JSLN 1 rn CROO - � LOFT LdL GtrI ,V ri 2. f 8'-7yz To U.s, JTs: : t.t-. 10 o I I o GD/-CO P14 o011 P14p si a IO W -� -2--- _ Sus-Fmc:a- .. I 4,-.►3/4'.. .. 4 ._ z +.+ _ : O Q7 Wet Bar lzoo F _ ` .Q 0 . Rm. i X - x -FIRST FLOOR PLAN Existing LOFT PLAN - Existing `r 3 Soundview Hall'-L.L.C. 55 Peauash Avenue..'Cutchogue, N.Y. 11935 d S.C.T.M 1000-102.00-03.00-007.000 - scacE ; %" = I`-o" DATE.: 19�VNF- , zoz3. r Navie%1 Condensing Water Heat— installation Manua-.I Model NPE-180A/21 ON 240A NPE-180S/ 21 OS/ 2405 �f '} L ,W NOX : : 5w CE T�FIED el`IIIISSIO s 1 NSF mplie-dth SCAQAD tOk 1146.2AM I CERTIFIED Lead Free Keep this manual near this water heater for future reference whenever maintenance or service is required. Certified for installation in a manufactured(mobile)home. *The wetted surface of this product contacted by consumable water contains less than one quarter of one percent(o.25%)of lead by weight. r WARNING If the information in these instructions is not followed exactly, a fire or explosion may result, causing property damage,personal injury,or death. - Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. - WHATTO DO IF YOU SMELL GAS • Do not try to light any appliance. r • Do not touch any electrical switch;do not use any phone in your building.- - Immediately call your gas supplier from a neighbor's phone.Follow the gas supplier's instructions. } If you cannot reach your gas supplier,call the fire department. I - Installation and service must be performed by a qualified installer,service agency or the gas supplier. - The installation must conform with local codes or,in the absence of local codes,the National Fuel Gas Code,ANSI 2223.1/NFPA 54 and/or CSA B149.1,Natural Gas and Propane Installation Code. - When applicable,the installation must conform with the Manufactured Home Construction and Safety Standard,Title'24 CFR;Part 3280 and/or CAN%CSA Z240 MH Series,Mobile Homes. amaviem t Contents 1. Safety Information 3 2. About the Water Heater 5 2.1 Items Included 5 2.2 Accessories 5 2.3 Specifications 6 2A- The Front Panel 7 2.5 Components 8 2.6 Dimensions 10 2.7 Rating Plate 12 3. Installing the Water Heater 13 3.1 Choosing an Installation Location 13 3.2 Mounting the Water Heater to the Wall 14 3.3 Connecting the Gas Supply 15 3.4 Connecting the Water Supply 19 3.5 Connecting the Condensate Drain 25 3.6 Venting the Water Heater 26 3.7 Connecting the Power Supply 33 3.8 Setting the DIP Switches 33 4. Installing a Cascading System 35 4.1 Connecting Water Supplies 35 4.2 Connecting the Communication Cables 36 .5. Appendixes 38 5.1 Gas Conversion 38 5.2 Technical Data 44 5.3 Wiring Diagram 46 5.4 Ladder Diagram 48 5.5 Component Assembly Diagrams and Parts Lists 50 5.6 Installation Check list 62 5.7 Requirement$for the State of Massachusetts 64 2 Contents r 1. Safety Information The following safety symbols are used in this manual.Read and follow all safety instructions in this manual precisely to avoid unsafe operating conditions,fire,explosion,property damage, A DANGER I personal injury,or death. j i ADANGER Indicates an imminently hazardous situation which, if not ; ! avoided,could result in severe injury or death. I I � I If you smell gas: AWARNING ; Do not try to light any appliance. • Do not touch any electrical switches or use landline phones. Indicates a potentially hazardous situation which, if not From a neighbor's phone,call your gas provider and follow avoided,could result in injury or death. f their instructions. ` If you cannot reach your gas provider, call the fire_ i department. i CAUTION i Do not use or store flammable products,such as gasoline, { Indicates a potentially hazardous situation that,if not avoided, i solvents, or adhesives in the same room or area as the water heater. could result in property damage. • The water heater has a main burner flame that can turn on at any time and can ignite flammable vapors.Vapors from I flammable liquids can explode and catch fire,causing death . or severe burns. • Vapors cannot be seen and are heavier than air.They can travel long distances along the ground and can be carried from other rooms to the water heater's main burner flame by air current. I • Keep all flammable products far away from the water heater and store them in approved containers.Keep the containers closed tightly and out of the reach of children and pets. I Safety Information 3 r \ d V QWARNING OCAUTION I I Do not turn on the water heater unless the water and gas ( I supplies are fully opened. Doing so may damage the water heater. Do not turn on the water if the cold water supply shut- off valve is closed. Doing so may damage the water heater. • Do not use this water heater for anything other than its intended purpose,as described in this manual. ` Do not remove the front cover unless the power to the • Do not store or use gasoline or other flammable liquids water heater is turned off or disconnected. near this water heater. Failure to do so may result in electric shock. Doing so may result in fire or explosion. . I When servicing the controls, label all wires prior to • Do not place combustibles, such as newspapers or disconnecting them. laundry,near the water heater or venting system. I Failure to do so may result in wiring errors,which can lead to Doing so may result in a fire. improper or dangerous operation.Verify proper operation after servicing. • Do not place or use hair sprays,spray paints,or any other I compressed gases near the water heater or venting Do not use unapproved replacement or accessory parts. system,including the vent termination. Doing so may result in improper or dangerous operation Doing so may result in fire or explosion. and will void the manufacturer's warranty. • Do not operate the water heater with the front cover Do not place anything in or around the vent terminals, opened. such as a clothes line,that could obstruct the air flow in I Doing so may result in fire or carbon monoxide (CO) or out of the water heater. I poisoning,which may result in property damage,personal This water heater has been approved for use in the USA injury,or death. and Canada only. • Do not operate this water heater without proper Using the water heater in any other country will void the venting. - manufacturer's warranty. Doing so may result in fire or carbon monoxide (CO) poisoning,which may result in property damage,personal injury,or death. • Do not touch the power cord or internal components of the water heater with wet hands. Doing so may result in electric shock. 4 Safety Information 2. About the Water Heater 2.1 Items Included 2.2 Accessories When you open the box,you will find the following items with the The following optional accessories are available for the water water heater.Check the box for each of the following items before heater: installing the water heater. i I I Installation& 1. 1 Operafion.Manual {. Quick installation Manual. Remote Controller Plumb..EasyValve"Set ` - o Wall Mounting Bracket _ Tapping Screws&Anchors Pressure Relief Valve_- Condensate NeutralizerFM _- r I Ready-Link 2"VentTermination Caps ( 2"Wall Flanges. Rea .. - Outdoor Vent Kit Communication Cable i I Conversion Kit Spare Parts ` 3. "Vent Termination Caps 3"Wall Flanges External Pump Connector (<1.50W,1.5A) i About the Water Heater 5 C 2.3 Specifications The following table lists the specifications for the water heater.Additional specifications about water,gas,electric,and air supplies(venting) appear in the Installation section. Item NPE-180A` NPE-7805 NPE-210A' NPE-2105 "NPE-240A NPE-2405 Heat Capacity Natural Gas 15,000-150,000 BTU/H 19,900-180,000 BTU/H 19,900-199,900 BTU/H (Input) Propane Gas 15,000-150,000 BTU/H 19,900-180,000 BTU/H 19,900-199,900 BTU/H Natural Gas 0.97 0.99 0.97 0.99 0.97 0.99 Energy Factor Propane Gas 0.97 0.99 0.97 0.99 0.97 0.99 35°F(19"C)Temp Rise 8.4 GPM(32 Um) 10.1 GPM(38 Um) 11.2 GPM(42 Um) Flow Rate(DHW) 45°F(25°C)Temp Rise 6.5 GPM(25 Um) 7.8 GPM(30 Um) 8.7 GPM(33 Um) 77°F(43°C)Temp Rise 3.8 GPM(14 Um) 4.6 GPM 07 Um) 5.1 GPM(19 Um) Dimensions 17.3"(W)x 27.4"(H)x 13.2"(D) 17.3"(W)x 27.4"(H)x 13.2"(D) 17.3"(W)x 27.4"(H)x 13.2"(D) Weight 75 lbs(34kg) 67lbs(30kg) 82 lbs(37 kg) 75 Ibs(34kg) 82 lbs(37 kg) 75 lbs(34kg) Installation Type Indoor or Outdoor Wall-Hung Venting Type Forced Draft Direct Vent Ignition Electronic Ignition Water Pressure 15-150 PSI Natural Gas Supply Pressure(from source) 3.5 in WC-10.5 in WC Propane Gas Supply Pressure(from source) 8.0 in WC-13.5 in WC Natural Gas Manifold Pressure(min-max) -0.04 in WC/-0.84 in WC -0.05 in WC/-0.36 in WC -0.05 in WC/-0.58 in WC Propane Gas Manifold Pressure(min-max) -0.05 in WC/-0.50 in WC -0.10 in WC/-0.66 in WC -0.10 in WC/-0.78 in WC Minimum Flow Rate 0 GPM(0 Um) - Cold Water Inlet 3/4"NPT Connection Sizes Hot Water Outlet 3/4"NPT Gas Inlet 3/4"NPT Main Supply 120V AC,60Hz Power Supply Maximum Power Consumption 200W(max 2A),350W(max 4A)with external pump connected Casing Cold Rolled Carbon Steel Materials Primary Heat Exchanger:Stainless Steel Heat Exchangers Secondary Heat Exchanger.Stainless Steel Exhaust 2"or 3"PVC,CPVC,Polypropylene 2"or 3"Special Gas Vent Type BH(Class II,A/B/C) Venting Intake 2"or 3"PVC,CPVC,Polypropylene 2"or 3"Special Gas VentType BH(Class Il,A/B/C) Vent Clearances 0"to combustibles Safety Devices Flame Rod,APS,Ignition Operation Detector,WaterTemperature High Limit Switch,Exhaust Temperature High Limit j`E Sensor,Power Surge Fuse 6 About the Water Heater 2.4 The Front Panel The front panel allows you to adjust the water temperature and view the operating status or error codes.Remove the protective sheet from the front panel before using it. a —f b 9 —h d —A J e •k .a M ® Error o Master Unit A code will appear on the display Cascade operation b h - _ m Hot Water Recirculation Display a Recirculation Mode C . = Diagnostics button „ _= Up button For installers only Increases the temperature d 1 Information button Down button Shows basic information Decreases the temperature e k RiSET: 1 ' Reset button V Power button Resets the water heater(When an error occurs) Turns the water heater on or off AWLO: Combusting When the gas burner is on About the Water Heater 7 2.5 Components The following diagram shows the key components of the water heater.Component assembly diagrams and particular parts lists are included in the Appendixes. Exhaust Duct Exhaust Limit Temperature Sensor Intake Air Duct Exhaust Body 3 Fan Motor e Ignition Transformer Dual Venturi - - Burner ® � o .o. • Primary Heat Exchanger Gas Pipe . Secondary Heat Exchanger �J APS(Air Pressure Sensor) Flow Sensor13 BufferTank Front Panel Circulation Pump M n Condensate Trap ®o . Gas Valve � p I ~I PCB Box 2-Way Valve - ��� �o I Water Adjustment Valve I Gas Inlet Fitting - . Water Inlet Filter DHW Supply Fitting Condensate Drain Fitting Recirculation Inlet Fitting Condensate Drain Lid [NPE-180A/210N 240A] 8 About the Water Heater Exhaust Duct Exhaust Limit Temperature Sensor Intake Air Duct71, 11 ,_ Exhaust Body Fan Motor e Ignition Transformer Dual Venturi - a ° Burner I 0 .Doo.rL Primary Heat Exchanger G Gas Pipe Secondary Heat Exchanger APS(Air Pressure Sensor) -: i � n Freeze Protection Switch Front Panel _ Condensate Trap o Gas Valve • p PCB Box Flow Sensor Water Adjustment Valve Mixing Valve Gas Inlet Fitting -�'° Water Inlet Filter DHW Supply Fitting Condensate Drain Fitting Condensate Drain Lid [NPE-180S/210S/240S] About the Water Heater 9 2.6 Dimensions The following diagrams show the dimensions of the water heater and the table lists the supply connections. E M Supply Connections . co 'D`Dia Cd meter_ A I Air Intake 2" B Exhaust Gas Vent 2" C Hot Water Outlet 3/4" D Recirculation Inlet 3/4" E Cold Water Inlet 3/4" ~i F Gas Inlet 3/4" t ° G Condensate Outlet 1/2" Overhead View Supply Connections E E 0 1.5"(38mm) 143"(364mm) E E �\ C ZD 1 (V O O O E m O O (] �+ Q1 45"(115mm) 6.7°(170mm) m oo ° COD E O O ° E E E *J °c C(D) ° ° ° ry O o ry 23" 3.0° 83" 60mm)(77mm) (212mm) 173"(440mm) [NPE-180A/210A/240A] Aw 10 About the Water Heater E M c N N Supply Connections Description- :Diameter: A Air Intake 2" B Exhaust Gas Vent 2" C Hot Water Outlet 3/4" aD Cold Water Inlet 3/4" E Gas Inlet 3/4" a a F Condensate Outlet 1/2" Overhead View Supply Connections E 1S"(38mm) 1143"(364mm) Z E ` IE E E 45"(115mm) 6.7"(170mm) M ° E E EiZD N! N 23" 113" 60mm) (289mm) 173"(440mm) [NPE-180S/210S/240S] About the Water Heater 11 --y I 2.7 Rating Plate Water Heaters come from the factory configured for use with Natural Gas(NG).Before starting the installation,check the rating plate located on the side of the water heater to ensure that the water heater matches the gas type,gas pressure,water pressure,and electrical supply available in the installation location.If the water heater does not match each of these ratings,do not install the water heater.If conversion to Propane Gas is required,the included gas conversion kit must be used. Refer to"5.1 Gas Conversion"for details. Rating Plate, *Plaque Signaletique Direct VentAutomatic Instantaneous Water Heater'ChauBeeauinstantane automatlque Aevent direct ' For Indoor,Outdoor or Manufactured Home(Mobile Home)Installation Pourinstallaffon dans Line maison prefabdquee(mobBe) Navien,Inc. Dtsicn _ 20 Goodyear,Irvine,CA 92618 Tel:1-800-519-8794 Model No.,'Numdro de moddle Type of Gas,'Type de gazNPESN NG rrgnnco CERTIFIED ® _. Max.Input Rating,•Ene GPL max. Min.Input Rating,•Debit calo Max.Input tredfique max. a ;p`• 180,000 Btu/h 19,900 Btulh - Recovery Rating,'Calibre de recouvrement 265 GallonsfHour,gallons/heures , LAW NOX - Max.Inlet Gas Pressure,`Pression max.de gaz d'entree 10.5 Inches W.C.pouces W.C. Min.Inlet Gas Pressure,'Pression min.de gaz d'entree 3.5 Inches W.C.pouces W.C. emissions Manifold Pressure,*Pression d'admission -0.36 Inches W.C.pouces W.C. O6TaieS'n°' Q7•D'meneu - Electrical Rating,'Regime nominal electdque AC•c.a.120 Volts 60Hz,less than 2 amperes,'Utilise mains de 2A = i Max.Water Pressure,'Pression d'eau max. 150 psi'Ib/po2 ANSI 221.10.3•CSA 4.3.2011 Orifices necessary for LP conversion are provided.Yes injectures necessaires a la conversion au GPL sont foumis. Failure to use the correct gas can cause problems which can result in death,serious injury or property damage.Te fait de ne pas - a uhlfser le bon gaz peut causer des problemes qui peuvent mener a la morf,causer des blessures graves ou endommager la proprietc. f Consult your installation manual for more information.'Consultez votre manual d'installation pour plus d'informatfon. Suitable for combination water(potable)heating and space heating and not suitable for space heating applications only. - - - - •Convient au chauffage combine de Peau(potable)at des locaux,mals non au chauffage des locaux seulement. This appliance is certified for use at altitudes up to 4,500 It(1,370 m)in accordance to the latest CAN/CGA 2.17-High Altitude Installation f procedures at normal manifold pressure.For installation instructions at altitudes higher than 4,500 ft,please contact Navien.'Cat appareil est cedifie pour une utilisation a des altitudes de 06 4,500 pieds(1,370 m)confonnement aux toutes fes procedures d'installalion a haute altitude CAN/CGA Z17,une pression normal&.Pour les installations a elevations an haul de 4,500 pleds,appeterle bureau de Navien. This appliance must be installed in accordance with local codes,or in the absence of local codes,the National Fuel Gas Code,ANSI - Z223.1/NFPA 54 or the CSA 8149.1,Natural Gas and Propane Installation Code.'Cet appamil dolt etre instal/6 selon les reglements • locaux,ou en/'absence de tels reglements,selon le National Fuel Gas Code,ANSI Z223.1/NFPA 54,ou les,Code d'installation du gaz natural at du propane,CSA-8149.1. , FOR YOUR SAFETY*POUR VOTRE SECURITE Do not store or use gasoline or other flammable vapors and liquids In the vicinity of this or any other gas appliances.•Ne rangez pas at n'utilisez pas d'essence ou d'autres liquides ou vapeurs inflammables pres de cet appareil ou de tout autre appareil elmtromenager. A WARNING • Be sure the,gas type and electricity voltage match the rating plate.Using a different gas type will cause abnormal combustion and water ! heater malfunction. • Using abnormally high or low AC voltage may cause abnormal operation,and may reduce the life expectancy of this product. 12 About the Water Heater 3. Installing the Water Heater 3.1 Choosing an Installation Location Adequate drainage When choosing an installation location,you must ensure that The water heater produces a significant amount of condensate the location provides adequate clearance for the water heater, during operation.The water heater should be located near a adequate venting and drainage options,and sufficient access to suitable drain and where damage from a possible leak will be gas,water,and electrical supplies.Carefully consider the following minimal.Installing the water heater in a location without a drain factors when choosing an installation location: will void the warranty and Navien will not be responsible for water damages that occur as a result.For more information about condensate drainage,refer to"3.5 Connecting the Condensate About Water Quality Drain"on page 25. Proper maintenance of the water heater is required to ensure The water heater should be located in an area where leakage of the that your water meets EPA quality standards.The following table unit or connections will not result in damage to the area adjacent shows the maximum contaminant levels allowed,based on the to the appliance or to lower floors of the structure.When such EPA National Secondary Drinking Water Regulations(40 CFR Part locations cannot be avoided,it is recommended that a suitable 143.3).If you suspect that your water is contaminated in any way, drain pan,adequately drained,be installed under the water heater. discontinue use of the water heater and contact an authorized The pan must not restrict combustion air flow. i technician or licensed professional. Adequate venting and ventilation Coritemiriant Mazimum`AI_ IowableLeveh:. ;; I` - - Select a location that requires minimal venting.Consider venting Total Hardness 200 mg/I(12 grains/gallon) restrictions caused by windows,doors,air intakes,gas meters, Aluminum 0.05 to 0.2 mg/I foliage,and other buildings.For more information about venting, refer to"3.6 Venting the Water Heater"on page 26. Chloride 250 mg/I To ensure adequate venting and ventilation,follow these Copper 1.0 mg/I guidelines: Iron 0.3 mg/I • Maintain proper clearances from any openings in the building. • Install the water heater with a minimum clearance of 12 inches 4 Manganese 0.05 mg/I (300mm)above'an exterior grade or as required by local codes.—' pH 6.5-8.5 Maintain a minimum clearance of 4 feet(1.2 meters)from heating and cooling vents. Sulfate 205 mg/I Do not enclose the vent termination. 1 Total Dissolved Solids(TDS) 500 mg/I Install the exhaust vent in an area that is free from obstructions s Zinc 205 mg/I and does not allow the exhaust to accumulate. • Do not install the water heater where moisture from the exhaust may discolor or damage walls. IAccess to utilities Do not install the water heater in bathrooms,bedrooms,or any- other occupied roomsrthat are normally kept closed or that are • Water—the installation location should be near where the not adequately ventilated. domestic water supply enters the building. • Gas—the installation location should be near where the gas Proximity to fixtures'and appliances supply enters the building. • Electricity—the installation location should be near where the Install the water heater near fixtures that deliver or use hot water, electrical supply enters the building. such as bathroom,kitchen,and laundry room faucets.Select a location that minimizes the water piping required between major fixtures.If the distances are long or if the water heater requires "instant"hot water,we recommend running a recirculation line back to the water heater from the furthest fixture.Insulate as much of the hot water supply and recirculation lines as possible. For more information about the water supply,refer to"3.4 Connecting the Water Supply"on page 19. Installing the Water Heater 13 Adequate installation clearances 3.2 Mounting the Water Heater to the Wall Install the water heater in an area that allows for service and Navien water heaters come with an upper mounting bracket that is maintenance access to utility connections,piping,filters,and traps. pre-drilled at 16 inches on center for easy installation on standard Based on the installation location,ensure the following clearances wall studs.If the strength of the wall is insufficient or if the framing are maintained: is non-standard or uneven,reinforce the area before installing the water heater.Avoid installation on common walls as the unit will Clearance ` . Indoor,lristallation Outdoor Installation make some operational noises while it is running. 'from:--. Top 9 inches(229mm) 36 inches(900mm) To mount the water heater to the wall: minimum minimum 1. Affix the bracket securely to the wall and ensure that it is level Back 0.5 inches(20mm) 0.5 inches(20mm) and that it can support the weight of the water heater. minimum minimum 2. Align the grooves on the back of the water heater with the Front 4 inches(100mm) 24 inches(600mm) tongues on the mounting bracket and hang the water heater minimum minimum on the bracket. 3 inches(76mm) 3 inches(76mm) When mounted with the mounting bracket,the water heater Sides minimum minimum will have a 5/8"(16mm)'clearance from the back of the wall. Bottom 12 inches(300mm) 12 inches(300mm) minimum minimum Clean,debris and chemical-free combustion air • Do not install the water heater in areas where dust and debris may accumulate or where hair sprays,spray detergents,chlorine, or similar chemicals are used. • Do not install the water heater in areas where gasoline or other flammables are used or stored. . Ensure that combustible materials are stored away from the water heater and that hanging laundry or similar items do not obstruct access to the water heater or its venting. • In commercial locations,do not install the water heater in areas with greasy fumes or heavy amounts of steam or take measures to prevent fumes and steam from entering the water heater. High Elevation Installations This water heater may be installed at elevations up to 10,100 ft (3,078 m)for use with Natural Gas and 4,500 ft(1,370 m)for use with Propane. Referto"3.8.2 Setting the Front Panel DIP Switches"on page 34 for the appropriate altitude setting. 3 �P O CAUTION Do not mount the water heater to dry wall that has not been reinforced. 14 Installing the Water Heater 3.3 Connecting the Gas Supply To connect the gas supply: 1. Determine the gas type and pressure for the water heater by is QWARNING referring to the rating plate. 3 2. Perform a pressure test on the main gas supply line. • Before connecting the gas supply,determine the gas type I and pressure for the water heater by referring to the rating i 3. Purge the gas line of any debris. plate.Use only the same gas type indicated on the rating 4. Determine the proper size and type for the gas line.Refer to plate. Using a different gas type will result in abnormal combustion and malfunction of the water heater. Gas I the tables that follow. supplies should be connected by a licensed professional 5. Install full port valves on the gas supply line and water heater. only. 6. Connect the gas supply line. • The appliance and its gas connection must be leak tested before placing the appliance in operation. 7. Test the supply line,all connection points,and the water • This water heater cannot be converted from natural gas heater for gas leaks. to propane or vice versa without a Navien gas conversion i kit.Do not attempt a field conversion of this water heater ll 1 without a Navien gas conversion kit.Doing so will result in Gas Inlet Adapter 1 dangerous operating conditions and will void the warranty. Navien recommends connecting the water heater as the first water v.v_ j; heater downstream of the gas meter,to ensure a sufficient gas supply. a Bottom View —Union Gas Shutoff The water heater is : 1} Pipe size:1/2"-3/4" Valve recommended to be the first { i (inner diameter) appliance to be connected to the gas supply line. � a I - Gas Supply Gas Supply Line Gas meter's capacity Total gas capacity of connected appliances xm 1 Installing the Water Heater 15 • connection valves with ^ Tighten the water heater,conn t Typical LP Gas piping examples: care to avoid damage. • The gas connection fitting on all water heaters is 3/4 h F! • 1/2"rigid pipe can be used;refer to the sizing tables on the proceeding pages for limitations. i j{ Avoid using 1/2"corrugated connectors or tubing ! 0 as noise may occur. �! I Corrugated Connector — • When using flexible gas lines,ensure that the Gas Regulator pipe's inner diameter and connector is sufficient (12 WC) to supply the required BTUs.Also,ensure that the Full size flexible line has no crimps or tight bends in it,as 1/4"-3/8"Pipe Gas Pipe this will restrict gas flow. • When using rigid pipe,Navien recommends the �► 1 installation of a union on the gas supply line Full size Gas Pipe close to the water heater,to facilitate any future ` maintenance or service. y; . ;`.. Gas Tank Single Regulator System i I CAUTION Prior to using an excess flow valve(EFV)in the gas line,check �� J the manufacturer's minimum and maximum flow capacity rating. An improperly sized EFV wil not allow for a full flow of gas to the water heater and may cause improper operation. I �� I CLOM 155 M"opm 135 :1 i Gas Regulators Excess Flow Valve 1/2"-3/8"Pipe 2 PSI 12"W.C. Full size Gas Pipe ® 1/2"Pipe L GasTank i, 2-Ib.System with Multiple Regulators 16 Installing the Water Heater 3.3.1 Gas Pipe Sizing Tables Referenced from 2012 National Fuel Gas Code) These tables are for reference only.Please consult the gas pipe manufacturer for actual pipe capacities. Maximum Natural Gas Delivery Capacity in Cubic Feet(ft)per Hour(0.60 Specific Gravity;0.5"WC Pressure Drop).Contact your gas supplier for BTU/ft3 ratings.Use 1,000 BTU/ft3 for simplified calculations.This table is recommended for supply pressures less than 6"WC. Length(induding""fittings}- ..... ; Pipe Size 1,0'. 20'; - `: 3Q„ 40' S0' 60' 70' _ 80' 90:•_`, 100' 125' (3m).,.: .. (6.m)... ',. `.(9m). . :(12rn): (15m)_ : ;(18m). ._ .(21m) . :.(24in) ., ''(27m) (30m). (38m), 3/4" 360 247 199 170 151 137 126 117 110 104 92 1" 678 466 374 320 284 257 237 220 207 195 173 11/4" 1,390 957 768 657 583 528 486 452 424 400 355 11/2" 2,090 1,430 1,150 985 873 - 791 728 677 635 600 532 2° 4,020 2,760 2,220 1,900 1,680 1,520 1,400 1,300 1,220 1,160 1,020 21/2" 6,400 4,400 3,530 3,020 2,680 2,430 2,230 2,080 1,950 1,840 1,630 3' 11,300 7,780 6,250 5,350 4,740 4,290 3,950 3,670 3,450 3,260 2,890 4" 23,100 1 15,900 12,700 10,900 9,660 8,760 8,050 7,490 7,030 6,640 5,890 in Cubic Feet(ft3)per Hour(0.60 Specific Gravity;3.0"WC Pressure Drop).Contact your gas supplier for BTU/ft3 ratings.Use 1,000 BTU/ft3 for simplified calculations.This table is recommended for supply pressures of 6"WC or greater. Length(including,fittings) i Pipe Size '10' 20' 30`. 40' S0' 60' 70' 80' 40'. = -100' 125' (6m).,. (9m),.. (12m) (15m). - (18m) (21 m)- ' (24m)' (27m) (30m) (38m) 1/2" 454 312 250 214 190 172 158 147 138 131 116 3/4" 949 1652 1524 448 397 360 331 308 289 273 242 1" 1,787 1,228 986 844 748 678 624 580 544 514 456 11/4" 3,669 2,522 2,025 1,733 1,536 1,392 1,280 1,191 1,118 1,056 936 11/2" 5,497 3,778 3,034 2,597 2,302 2,085 1,919 1,785 1,675 1,582 1,402 2" 10,588 7,277 5,844 5,001 4,433 4,016 3,695 3,437 3,225 3,046 2,700 21/2" 16,875 11,5989,314 7,971 7,065 6,401 5,889 5,479 5,140 4,856 4,303 3' 29,832 20,503 16,465 14,092 12,489 11,316 10,411 9,685 9,087 8,584 7,608 43,678 30,020 24,107 20,632 18,286 16,569 15,243 14,181 13,305 12,568 11,139 Installing the Water Heater 17 Maximum Liquefied Propane Delivery Capacity in Thousands of BTU/H(0.5"WC Pressure Drop) Length.(includingfittings). Pipe S!" 10' 20' 30 40' 50'` 60'- 801, 1.00'- 125 150', .175' 200', 250' (30)= _. (6m) (9m) :02m): (15m) -(18m). _(24m), (30m) (38m) _:(45rn} - (53m) (60m)- V6m) 1/2" 291 200 160 137 122 110 101 94 89 84 74 67 62 3/4" 608 418 336 287 255 231 212 197 185 175 155 140 129 1" 1,150 787 632 541 480 434 400 -372 349 1330 292 265 243 1 1/4" 2,350 1,620 1,300 , 1,110 985 892 821 763 716 677 600 543 500 11/2" 3,520 2,420 1,940 1,660 1,480 1,340 1,230 1,140 1,070 1,010 899 814 749 2" 6,790 4,660 3,750 3,210 2,840 2,570 2,370 2,200 2,070 1,950 1,730 1,570 1,440 3.3.2 Measuring the Inlet Gas Pressure WARNING The water heater cannot function properly without sufficient inlet gas pressure.Measuring the inlet gas pressure should be performed by a licensed professional only. • The inlet gas pressure must be maintained between 3.5"and 10.5"WC for natural gas and between 8.0"and 13"WC for liquefied propane. The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psi(3.5 kPa).The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psi (3.5 kPa). To measure the inlet gas pressure: <. 1. Shut off the manual gas valve on the gas supply line. i —— --------- .r i; Gas Valve `:: _- Opened Closed s 18 Installing the Water Heater Open a hot water faucet.The water heater should turn on and 8. When the water heater reaches its maximum firing rate,check the gas in the gas supply line will be purged. the inlet gas pressure reading on the manometer.The gas pressure must fall within the ranges specified on page 18. 3. Leave the faucet on until the water heater shuts down due to a lack of gas supply,and then turn off the hot water faucet. 4. Remove the water heater front cover by loosening the 4 Phillips head screws securing it to the case. 11 _I•1_.11 "1 Q •: 3.4 Connecting the Water Supply The water fittings on the water heater are 3/4".If the installation i site only has 1/2"plumbing throughout,it is not necessary to upsize the water lines to 3/4",if you are installing a single water.' heater.When installing multiple water heaters,the number of water heaters and pipe sizing required will depend on the total hot water demand.For information about pipe sizing for multiple I water heaters,refer to"4.1.1 Piping Sizes and Considerations"on page 36. i 5. Loosen the screw indicated in the figure below and connect a manometer to the pressure port.Reset the manometer to zero before use. O CAUTION . - Do not solder piping directly onto the water connections,as--' a k— og the the heat may cause damage to internal components.Use I :fir i threaded water connections only. l—� - r When connecting the water supply,follow these guidelines: - O Do not remove the factory installed recirculation inlet cap unless eP a return line's connected to this fitting.Water leakage will occur if this ca loose or (A model only). p'is " )y. • Use only pipes,fittings,valves,and other components,such as- - solder,that are approved for use in potable water systems. Tighten the water heater connection valves with care to avoid damage. Digital pressure We recommend using unions and manual shut-off valves on the manometer cold water inlet,DHW outlet,and recirculation water inlet. • Strive to make the hot water piping system as short as possible, to deliver hot water to the fixtures more quickly. 6. Re-open the manual gas valve and check for leaks. To conserve water and energy,insulate all water piping- 7. Open multiple fixtures that have high flow rates,such as especially the hot and recirculation water lines.Never cover the drain or pressure relief valve.If the water heater is installed in bathtub and shower faucets,to ramp the water heater up to its a closed water supply system,such as one having a backflow maximum firing rate. preventer in the cold water supply line,means shall be provided to control thermal expansion.Contact the water supplier or local plumbing inspector for information about how to control this situation. • After installing the water heater,clean the inlet water filter that is located inside the cold water inlet,and then test the water 1� heater for proper flow and inspect for leaks.Instruct the water heater owner that the filter must be cleaned periodically to maintain proper water flow. Installing the Water Heater 19 r • The following is atypical water piping example for NPE-180A/ 3.4.1 Using the Water Heater for Combination 210A/240A models. Water Heating and Space Heating When using the water heater for both water(potable)heating and y. J space heating,follow these guidelines: 1 ' Ensure that all piping and components connected the water heater are suitable for potable water applications. I l Do not introduce toxic chemicals,such as boiler treatments,into the potable water. On Combi applications,circulators suitable for DHW applications must be used. y Do not connect the water heater to any heating systems or + components that have been previously used with non-potable UnionPressure water heaters. FRelief Valve Full port—� • If the system requires varying temperatures for water—for Gas Valve I I I example,hotter water for space heating than for other Shutoff Valve uses—install a mixing valve to temper the water and reduce the i potential for scalding. Gas Supply I • Do not use the water heater for space heating only. = Condensate Drain • Make sure circulator flow rate through the Water Heater does 4.Hot Water Supply not exceed 4 GPM. ra ��Cold Water Supply 3.4.2 Selecting a Recirculation Mode("N'model Recirculation Line Expansion only) Tank On all"A"model Navien water heaters,you can choose from [NPE-180A/210A/240A] two pre-heating modes:internal recirculation mode or external ` • NPE-1805/2105/2405 recirculation mode.To select a recirculation mode,you must set the DIP switches on the front panel,and set the position of the 2-way valve inside the water heater.By default,the DIP switches are set to OFF. When you use a recirculation mode,there will be some minor II efficiency loss,as a result of the water heater maintaining a steady i temperature within the circulation loop.Although in many cases, I j higher gas usage will be made up for by lower water usage. { I The recirculation feature of the A"models has three performance advantages: Ii Elimination of any minimum flow rate requirement. f I ' Elimination of any hot/cold/hot stacking—the"cold water sandwich"effect. + Union r Pressure Quicker hot water delivery to fixtures,which results in less water :1 Full port Relief Valve wasted. Gas Valve Shutoff Valve When using external recirculation mode with the built-in pump,observe the following maximum recirculation pipe lengths including fittings(3/4"pipe Gas SupplyHot�~ ater is recommended): W Condensate Drain - —� Supply -1/2"Copper Pipe-100'(30m)of equivalent length - I -3/4"Copper Pipe-500'(150m)of equivalent length Cold Water Lengths in excess of these limits will require an Supply external recirculation pump. [NPE-1805/2105/2405] , 20 Installing the Water Heater Internal Recirculation Mode The following diagram shows the internal recirculation flow for pre-heating: To use the internal recirculation mode: d 1. Connect the water supply. Primary Heat Exchanger 2. Set the 2-way valve inside the water heater to"INT." �- � _ 3 Buffer is '-- ,� - Tank Secon4hane _ — Flow 2-Way Sensor 1 Valve NTeOpen oz ter' ent Hot Water Domestic Water Supply Supply 3. Set the front panel DIP switches at the far left(set often)to: 1—ON;2—OFF. Internal Recirculation Mode - s External Recirculation Mode To use the external recirculation mode: ' 1. Connect the water supplyto support ort recirculation.Refer to the {� -,- - -- "[NPE-180A/210A/240A]"diagram on page 20. 2. Set the 2-way valve inside the water heater to"EXT." � A 33 :oo.0000.00 60OR I are.� 61 ,_�i INT -3. i i 1 . 1 7 2 3= 4. 18, _ f ;5;.`6.:'7.,,8. � ` 1 9,W '_ .- S _00.00000.0.'0.0'- LJ 0' YT - I , I CAUTION I U' Do not remove recirculation cap.(Internal Recirculation Mode) r Installing the Water Heater 21 3. Set the front panel DIP switches at the far left(set often)to: 3.4.3 External Pump Wire Connection 1—OFF;2—ON. An external pump may be connected to the water heater for recirculation applications. When selecting a circulator,it shall be sized to maintain a flow of 2-4 GPM through the water heater. _i � Follow the instructions below when connecting the pump wire i - .. _. r l_ _ accessory to the PCB. Q WARNING Failure to follow the instructions below may result in property damage, personal injury or death. To avoid the danger of ; electric shock,make sure that the water heater is turned off uWEI before connecting the wire to the PCB. <Specications> • Maximum Power Consumption:150W,1.5A P O O 0'O;O-0 0 .O O Length:6 ft(183 cm) Fo� on1X When using a pump with larger power requirements than the listed specication above,a relay should be used to ensure proper operation. 5'•-6"-7';8'-9`_10 0 0 0.0,C)_0 0 0- `0-0- 1. Remove the water heater front cover by loosening the 4 Phillips head screws securing it to th a case. The following diagram shows the external recirculation flow for pre-heating: - Primary Heat Exchanger o Buffer 1 Tank Secondary Heat Exchanger Flow tti 2-Way Circulation Check Sensor Valve Pump —000. Valve 2. Locate the power switch on the right side of the front panel and switch the system off. 1 r' -_- - f Water Closed Adjustment i j l ---- ; Valve f Hot Domestic Recirculation Supply Water Supply W Pply 699 Su I - — IPPY ! — - ° ; T,um the it External Recirculation Mode — r - = _ 22 Installing the Water Heater r. 3. Remove the 2 screws holding the PCB box in place and remove 8. Locate the 10-switch DIP(SW1)on the front panel and turn on the PCB box from the system. --it a proper switches based on the desired recirculation setting (see Recirculation Dipswitch Settings below). �r sN ON ON: Remove Screws here. " ; fir- _ �h e�•� t,L< ,� ctY•.---''-. 1:,'2 3 4,- 5',.6 _7-8- 9-10; 1-'�2 000:00000.00. OO, Connectthe external pump wiring connectorto the connector J; socket on thePCB(TB1).P!A (4, ' _ ! 9. Turn on the switch beside the front panel. ter= '= -- - = 10. Put the water heater cover back on and secure it with the T61 ♦ 4screws. 5. Put the PCB box back in its original place and secure it using the 2 mounting screws. 5. Remove the plastic insulation from the external pump wire with a wire stripper before connecting it to the pump. G H a C ° \ \ 0 Condensate Domestic �---�Gas Hot Water Domestic Cold Water Domestic f Recirculation —� Return 7. Connect the External Pump Wire to the proper wires from the Recirculation Using External Pump Only pump junction box. Ask, as WARNING To avoid the danger of electric shock,turn on the water heater ONLY after connecting the wire to the external pump. Installing the Water Heater 23 sr'+ To complete the installation of the water heater,you must install an approved 3/4",maximum 150 PSI pressure relief valve on the hot water outlet.The water heater has a built-in high temperature shut off switch,so install a"pressure only"relief valve.This valve is not supplied,but is required.The following examples are approved for use with the water heater: • Wilkins P-1000A(Zurn Industries) • Conbraco 17-402-04 • Watts Industries 3L(M7) • Cash Acme FWL-2,3/4" G H nEl c The pressure relief valve should be placed as close to the water heater as possible.No other valve should be placed between the pressure relief valve and the water heater. •Condensate •Gas I Domestic Domestic — - Hot Water♦— <— Cold Water Pressure relief valve Domestic Recirculation--- Return Return t t Recirculation Using Two Pumps (Navien Internal Pump&External Pump) `•--Shut-off Valve Gas Hotwater Coldwater 3AA Connecting a Pressure Relief Valve ?. When installing the valve,follow these guidelines: WARNING Ensure that the discharge capacity of the pressure relief valve is equal to or greater than the maximum pressure rating of the Improper installation of the pressure relief valve may result water heater. ' in property damage, personal injury, or death. Follow all Ensure that the maximum BTU/H rating on the pressure relief instructions and guidelines when installing the pressure valve is equal to or greater than the maximum input BTU/H relief valve.The valve should be installed only by a licensed rating of the water heater. professional. i • Direct the discharge piping of the pressure relief valve so that hot water will not splash on anyone or any nearby equipment. • Attach the discharge line to the pressure relief valve and run the end of the line to within 6-12"(150-300mm)of the floor. • Ensure that the discharge line will allow free and complete drainage without restriction.Do not install a reducing coupling or other restriction on the discharge line. • If the relief valve discharges periodically,this may be due to thermal expansion in a closed water supply system. Contact the water supplier or local plumbing inspector on how to correct this situation. Do not plug the relief valve. Z01"*1 k 24 Installing the Water Heater x 3.5 Connecting the Condensate Drain a.From the water heater directly into an external drain. b.From the water heater,through a neutralizing agent,and then se Navien Condensing Water Heater creates condensation when into an external drain. oaerates.This condensation has an acidic pH of 3-5.Follow all d -Cal codes and regulations when disposing of condensate from If you choose this option,the neutralizing agent water heater.We recommend draining the condensate into must be replaced periodically.Depletion of the a iaundrytub,as the alkali in laundry detergent will neutralize neutralizing agent will vary,based on the usage acid in the condensate.However,other suitable waste drain rate of the water heater.During the first year of motions may be used according to local codes. operation,the neutralizer should be checked every few months for depletion and replaced as needed. OCAUTION c.From the water heater into a laundry tub. • Do not cap or plug the integrated condensate line. If The bottom of the water heater must be higher prevented from draining,condensate can damage the water than the top of the laundry tub to use this option. heater. The condensate line must have a negative slope to • The condensate line must have a negative slope to drain drain properly. properly. d.From the water heater into a condensate pump,and then into a� laundry tub. wore connecting the condensate drain,choose one of the A pump can be used when there is a long distance ~'lowing disposal options: between the water heater and the laundry tub or when the bottom of the water heater is lower than - the top of the laundry tub. 1. To connect the condensate drain: 1. Connect a drain line to the 1/2"fitting at the bottom of the water heater. �f Use only corrosion-resistant material for the drain line,such as �jj PVC or CPVC.Do not reduce the size of this fitting or the drain 1', I line to less than 1/2". i I � I i _ II Direct to the externaldrain To the drain via a To the tub neutralizer laund rY ie * +; ♦ '� ♦ q NPT1/2" p External drain To the laundrytub via 1e a condensate pump 2. Place the free end of the drain line into an appropriate drain. 3. If you are using a condensate pump,ensure that the pump allows for up to 2 GPH of drainage for each water heater in the system. If you are not using a condensate pump,ensure that the drain- WINL line is pitched downward at a minimum slope of 1/4"per foot. Installing the Water Heater 25 i.S t` 3.6 Venting the Water Heater Do not store hazardous or flammable substances near the vent termination. • If this water heater will be installed in areas where snow is QWARNING known to accumulate,protect the vent termination from blockage. Improper venting of the water heater can result in excessive Ensure that the vent termination is at least 12"(305mm)above levels of carbon monoxide,which can lead to severe personal ground,or as required by local codes. injury or death. This water heater must be vented in Support the vent pipe with hangers at regular intervals or as accordance with the"Venting of Equipment" section of required by local codes. the latest edition of the ANSI Z223.1/NFPA 54 Natural Fuel Gas Code in the USA and/or the"Venting systems and air . Exhaust and intake air pipes must be supported at least every 4 supply for water heaters"section of the latest version of feet 0.2m). the CAN/CGA 8149.1 Natural Gas and Propane Installation The vent for this appliance shall not terminate over public Code in Canada, as well as all applicable local building walkways;or near soffit vents or crawl space vents or where codes and regulations.Follow all instructions and guidelines condensate or vapor could create a nuisance or hazard or cause when venting the water heater.Venting should be performed property damage;or where condensate or vapor could cause only by a licensed professional. damage or could be detrimental to the operation of regulators, relief valves,or other equipment. The water heater must be properly vented to ensure a constant 3.6.1 Selecting a Vent Type supply of clean intake air and to ensure that exhaust air is properly removed from living areas.When venting the water heater,follow All water heaters are prepared at the factory to be direct vent these guidelines: (sealed combustion)water heaters that draw all of their required • Do not install the water heater in areas with contaminated air combustion air directly from outside the building.Navien recommends direct air vent installations whenever possible to (containing a high level of dust,sawdust,sand,flour,aerosols, avoid back drafting cold air through the water heater.If you cannot or any other such airborne contaminants),as contaminants use a direct vent,ensure that an ample supply of make-up air is can cause operational problems.The warranty does not cover available in the installation location. .*- damage caused by contaminants in the installation area.If you must install the water heater in an area with contaminated air, Navien also recommends installing a new vent system with this use direct venting to supply air from outside the building.We appliance.If reusing an existing vent system,thoroughly inspect recommend regular filter cleaning and maintenance in these it for punctures,cracks,or blockages prior to connecting it to the areas. water heater. • For best results,keep the venting system as short and straight as possible. Direct Venting • Locate the water heater as close as possible to the vent termination. The water heater uses 2"or 3"diameter exhaust and 2"or 3" - diameter intake air ducts.To ensure the draw of air directly from • Do not connect the water heater vent to a vent for any other gas and exhaust of air directly to the outside of the building,create an water heater or vent stack. airtight seal from the water heater collar to the vent termination. • For horizontal runs,slope the horizontal section upward toward the vent termination at a rate of 1/4"per foot(2%slope). Intake materials can be made of ABS,PVC,CPVC,PP,galvanized • Create an airtight seal at each joint in the exhaust and intake air steel,corrugated aluminum or any other such materials.If youuse a corrugated material,ensure that there is not inadvertent pipes from the water heater collar to the vent termination. crimping of,or damage to,the intake air pipe. • To avoid moisture and frost build-up and to maintain clearances to openings on adjacent homes,45°elbows,90°elbows,or tees When using direct venting,maintain the following venting may be attached to the end of the termination vent pipe to clearances,as required by ANSI 221.10.3 and the National Fuel direct the exhaust plumes away from buildings,as long as the Gas Code,ANSI Z223.1/NFPA 54,and CAN/CGA 8149.1 Natural total allowable vent lengths,maximum number of elbows,and Gas and Propane Installation Code: distances to air intake restrictions are observed. 26 Installing the Water Heater n It Vent Terminal G ® Air Supply Inlet ® ®Area where vent terminal is not permitted 0 E 4 a OO o v o QI �S K ie ©I ISI 4 O� AS METERMEGULATOR S, Ref Description Canadian Direct Vent Installations' US Direct Vent Installafionsz A Clearance above grade,veranda,porch,deck,or balcony 12 in(30 cm) 12 in(30 cm) lot B Clearance to window or door that may be opened 36 in(91 cm) 12 in(30 cm) C Clearance to permanently closed window Vertical clearance to ventilated soffit located above the D terminal within a horizontal distance of 2 feet(61 cm) from the center line of the terminal E Clearance to unventilated soffit F Clearance to outside corner G Clearance to inside corner Clearance to each side of center line extended above 3 ft(91 cm)within a height 15 n H ft above the meter/regulator meter/regulator assembly assembly I Clearance to service regulator vent outlet 3 ft(91 cm) Clearance to nonmechanical air supply inlet to building 36 in(91 cm) 12 in(30 cm) or the combustion air inlet to any other appliance K Clearance to a mechanical air supply Inlet 6 ft(1.83 m) 3 ft(91 cm)above if within 10 pp y ft(3 m)horizontally al Clearance above paved sidewalk or paved driveway L located on public property 7 ft(2.13 m)t M Clearance under veranda,porch deck,or balcony 12 in(30 cm)t 1 In accordance with the current CSA 8749.1 Natural Gas and Propane Installation Code 2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Code t A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. *Permitted only if veranda,porch,deck,or balcony is fully open on a minimum of two sides beneath the flooh *Clearance in accordance with local installation codes and the requirements of the gas supplier. Installing the Water Heater 27 Non-Direct Venting(Single Pipe) 2. Provide two openings to allow for circulation of combustion air as specified by ANSI Z223.1/NFPA 54 or CAN/CGA B-149.1: If,at any time,the installation location could experience negative pressure,there is a possibility of back drafting cold air through = - NPE-180A` ;NPE 210A NPE-240A the water heater's heat exchanger.This situation could lead to NPE-7805.. " _NPE-2105 :NPE-2405= the freezing of the heat exchanger and malfunction of the water = heater. Maximum Input However,building codes in most jurisdictions disallow negative (BTU/H) 150,000 180,000 199,900 pressures in residences.In a home with a well-balanced air supply, Outdoor the heat exchanger should not be in danger of freezing.Because make up air 40 in' 45 in 50 int the cause of back drafting is not considered a manufacturing is provided,a 10"(W)x 10"(W)x 10"(W)x problem,any freezing damage which occurs from back drafting minimum free 4"(H)or 5"(H)or 5"(H)or will not be covered by the Navien warranty.If there is any question area of 1 inz,per 3"round 3"round 3"round about the possibility of back drafting in the installation location, 4,000 BTU/H use a direct venting system for the water heater. When installed in a Indoor make up 150 in 180 inz 199 in manufactured home(mobile home),all air is provided, combustion air must be supplied from the outdoors as described a minimum free 121/4" 13 1/4" 141/4" on page 26. area of 1 in per (W)x (W)x (W)x When using non-direct venting,maintain non-direct vent 1,000 BTU/H 121/4"(H) 13 1/4"(H) 141/4"(H) clearances shown on page 29 as required by ANSI Z21.10.3 and the National Fuel Gas Code,ANSI 2223.1/NFPA 54,and CAN/ CSA B749.1 Natural Gas And Propane Installation Code. To use non-direct venting for the water heater: 1. Insert the termination end cap into the intake air duct.Do not glue the end cap,to allow for easy removal and cleaning of the cap Vent termination cap 2" Coupling 2" Pipe 2" 28 Installing the Water Heater i air cARNER��� Vent Terminal c ® Air Supply Inlet o J ' O ®Area where vent terminal is not permitted 0 E B D O °1�0IY�^j�Jt cE� K METERIREGULATOR r " Cana dtan Non-Direct Vent US Non-Direct Vent Ref_' Description- "Instal ations'`=_: Installations2. A Clearance above grade,veranda,porch,deck,or balcony 12 in(30 cm) 12 in(30 cm) 48 in(120 cm)below or to side B Clearance to window or door that may be opened 36 in(91 cm) of opening;12 in(30 cm)above opening C Clearance to permanently closed window Vertical clearance to ventilated soffit located above the D terminal within a horizontal distance of 2 feet(61 cm)from the center line of the terminal E Clearance to unventilated soffit F Clearance to outside corner G Clearance to inside corner Clearance to each side of center line extended above 36 in(91 cm)within a height H meter/regulator assembly 15 ft(4.57 m)above the meter/ regulator assembly I Clearance to service regulator vent outlet 36 in(91 cm) Clearance to nonmechanical air supply inlet to building or f in opening; ;1 below or)above oside the combustion air inlet to any other appliance 36 in(91 cm) of opening;l2 in(30 cm) opening K Clearance to a mechanical air supply Inlet 6 ft(1.83 m) 36 in(91 cm)above if within 10 ft pp y (3 m)horizontally L Clearance above paved sidewalk or paved driveway 7 ft(2.13 m)t located on public property M Clearance under veranda,porch deck,or balcony 12 in 00 cm)t 1 In accordance with the current CSA 8149.1 Natural Gas and Propane Installation Code 2 In accordance with the current ANSI 2223.1/NFPA 54 National Fuel Gas Code t A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. . t Permitted only if veranda,porch,deck,or balcony is fully open on a minimum of two sides beneath the floor. *Clearance in accordance with local installation codes and the requirements of the gas supplier. Installing the Water Heater 29 3.6.2 Selecting Vent Pipe Materials 3.6.3 Measuring Vent Length 3 Venting requirements differ in the US and Canada.Consult the The maximum vent length when using 2"exhaust ducts is 60'The B following chart or the most recent edition of ANSI Z223.1/NFPA maximum vent length when using 3"vent ducts is 150'The intake t, 54 or CAN/CGA BI 49.1,as well as all applicable local codes and duct length can be of equal length to the exhaust duct length. s regulations when selecting vent pipe materials.Do not use cellular Both maximum lengths are reduced by the number of elbows v core based pipe"materials for the exhaust vent. used,as shown in the following table: Locale_• '• _ Recommended Vent Materials-'-`, Maximum Maximum" Vent_Siie, " _ Length #of Elbows Equivalent Lengths T • PVC Schedule 40(Solid Core) USA • CPVC Schedule 40 or 80(Solid Core) Reduce the maximum • Approved Polypropylene vent length accordingly for each • Type BH Special Gas Vent Class IIA(PVC) elbow used: •" Canada* Type BH Special Gas Vent Class IIB 2" 60'(18m) 6 (CPVC) Each 90°elbow • Type BH Special Gas Vent Class IIC equates to 8 linear (Polypropylene) feet(2.4m)of vent • Each 45°elbow •For installation in Canada,field-supplied plastic vent piping must comply equates to 4 linear with CAN/CGA B149.1(latest edition)and be certified to the Standard ForType BH Gas Venting Systems,ULC-5636.Components of this listed feet(1.2m)of vent system must not be interchanged with other vent systems or unlisted Reduce the maximum pipes or fittings.All plastic components and specified primers and glues of the certified vent system must be from a single system manufacturer vent length and must not be intermixed with another system manufacturer's parts. accordingly for each The supplied vent connector and vent termination are certified as part of elbow used: the water heater. Each 90°elbow 3" 150'(45m) 8 equates to 5 linear feet(1.5m)of vent O CAUT1O1!! Each 45°elbow equates to 3 linear • This water heater has a built-in control to limit the exhaust feet(0.9m)of vent temperature to 149°F(65°C).As a result,the Navien water heater can be vented with Schedule 40 PVC.If the incoming The Maximum Length does not include any elbows. (or recirculation return)water temperature does not exceed i If using a concentric termination as shown on 150°F(66°C),the exhaust temperature will not exceed 149°F pages 31-32,count this as 5 linear feet(1.5m)of (65°C). vent. • However, if you set the water heater at a temperature The maximum vent lengths at high altitudes are above 150°F(66°C)and you are also incorporating either an I the same as shown in the table above. ' external recirculation loop or a combination heating system, ll the exhaust temperature can exceed 149°F (65°C).In that case,you must use Schedule 40 or 80 CPVC or Approved Polypropylene in the USA orType BH Special Gas Vent Class IIB (CPN) or Class IC (Polypropylene) that conforms to ULC-5636 in Canada. I Aft 30 Installing the Water Heater ,' 3.6.4 Terminating the Vent • Non-concentric Sidewall Venting—Air is drawn from a different location at a minimum of 12"(300mm)from-the exhaust e Before installing the water heater,determine what type of vent termination.Try to minimize the length of the intake air pipe .e termination is appropriate for the installation location and with this venting. situation.The subsections that follow describe some typical venting configurations,but do not include all possible options. Indoor Water Heater Installation Venting Examples The following are some possible indoor venting options: n 2"or 3"Two-pipe Sidewall Venting Intake Air Exhaust Gas 1 l � I E n �_ o =EI . 1 l w Interior View Concentric Sidewall Venting Ns. Combustion Air 12"(300mm)min. Combustion Air Vent-o. Vent Maintain 1.2'. •►I 1"(25mm)mm. (300mm)min.* EI Clearance above C) j Exhaust Gas highest anticipated iv Intake Air snow level or grade. CD Exterior View Installing the water Heater 31 • 2"or 3"Two-pipe Vertical Venting–Intake and exhaust pipes do Outdoor Installation not have to terminate in the same area. Outdoor installation should only be considered in mild climates. 36"(900mm)min. Freezing temperatures or contaminated air can damage the water heater.When installing the water heater outdoors,maintain Exhaust Gas clearances from building openings,as described in the"Non-Direct Venting(Single Pipe)"section on page 28.Outdoor installation E areas should be in an open,unroofed area and should allow for the Intake Air following minimum clearances from the water heater: ' o C -M 12"(300mm)min. E From any o obstruction(above, •below,left,or right) Top = — Exhaust Gas .y Intake Air I Back'' tl Side s ( Front IF _ - Bottom- Concentric ottomConcentric Roof Venting Vent Combustion Air Maintain 12"(300mm)min. Bottom 12" (18"(450mm)min.for Canada) Back 0.5" Clearance above highest anticipated snow level.Maximum Sides 3" of 24"(600mm)above roof Front 24" ti Combustion Air Top 36" r Vent When installing a water heater outdoors,follow these guidelines: • The Navien Outdoor Vent Kit must be used to ensure proper operation of the water heater. • Ensure that there is plenty of clearance around the air intake and that it is adequately protected to prevent any debris,liquids,or flammable gases from entering the air intake. • If the water heater is installed under an eave,maintain a clearance of 3 feet or more from the eave to the top of the water heater vent terminals. y. 32 Installing the Water Heater 'r 3.7 Connecting the Power Supply 3.8 Setting the DIP Switches The water heater has two DIP switch locations:on the main circuit WARNING board(PCB)and on the front panel.Each location has two sets n of DIP switches that control the functionality of the water heater. ct Set the DIP switches appropriately,based on the installation Improperly connecting the power supply can result in electrical ie shock and electrocution.Follow all applicable electrical codes j environment. of the local authority having jurisdiction. In the absence of such requirements,follow the latest edition of the National i Electrical Code(NFPA 70)in the USA or the latest edition j 3.8.1 Circuit Board DIP Switches of CSA C22.1 Canadian Electrical Code Part 1 in Canada. Connecting the power supply should be performed only by a The two sets of DIP switches on the circuit board configure the licensed professional. water heater's model settings.These configurations are set at the factory and should not be changed. 5'tnen connecting the power supply,follow these guidelines: 3.8.2 Setting the Front Panel DIP Switches • Do not connect the electric supply until all plumbing and gas The two sets of DIP switches on the front panel configure the water piping is complete and the water heater has been filled with heater's pump&recirculation,display,well pump,storage tank& water. solar system,lime alarm,high altitude,Cascade Venting and Gas • Do not connect the water heater to a 220-240V AC power Type settings.Some of these configurations are set at the factory supply.Doing so will damage the water heater and void the and should not be changed.The following tables describe the warranty. functions of the DIP switches and their settings: - All water heaters come with a factory-installed,3-pronged (grounded)plug.The water heater can be plugged into anyT\ grounded electrical outlet nearby,as it requires only 2-4 Amps. It is not necessary to run a dedicated electrical line to the waterAM � heater. • If local codes require the water heater to be wired directly, I remove and discard the factory-installed plug.Install a power , switch between the breaker and the water heater to facilitate - -- end-user maintenance and servicing.Connect the water heater {` - to a 110-120V AC at 60 Hz with a maximum of 2A(4A if an I external pump is connected)rating electrical supply. • The water heater must be electrically grounded.If using the power plug,ensure that the electrical outlet you connect the 'J water heater to is properly grounded.If wiring the water heater �: I direct) to a ower su I ,do not attach the round wire to Y P PP Y 9 either the gas or the water piping as plastic pipe or dielectric . 4' unions may prevent proper grounding. • We recommend using a surge protector to protect the water bb b o:.o'o O'O.O O O O heater from power surges. ON ON' • If there is a power failure in cold weather areas,the freeze �,�.� 9' prevention system in the water heater will not operate and may ❑_ao O-O O:O O.O.O ,ac result in freezing of the heat exchanger.In cold weather areas where power failures are common,you must completely drain the water heater to prevent damage if the power will be off for any extended period of time.A battery back-up(available at most computer retailers)may be used to supply hot water nd during periods of power outages.Damage caused by freezing is r not covered under warranty. .er Installing the Water Heater 33 • 10-switch Panel: ,. N u Switch. Function Setting _ Remark a, No Recirculation 1-OFF;2-OFF;3-OFF *Intelligent Preheating: Recirculation Mode- Learns the user's hot water Internal Navien Internal Recirculation 1-ON;2-OFF;3-OFF usage patterns and starts I' 4 Pump("A"model External Recirculation 1-OFF;2-ON;3-OFF preheating prior to an only) anticipated draw. S Intelligent Preheating* 1-ON;2-ON;3-OFF Preheating starts when cl 1-3 remote controller is not ci External Pump Only 1-OFF;2-OFF;3-ON connected. Recirculation Mode- Y( Internal Recirculation("A"model only) 1-ON;2-OFF;3-ON When remote controller is External Pump connected,preheating starts Connected** External'Recirculation("A"model only) 1-OFF;2-ON;3-ON and operates based on the Intelligent Preheating* 1-ON;2-ON;3-ON timer. • Set the timer on the remote 4 Display Temperature Celsius 4-ON controller to use hot water Unit Fahrenheit 4-OFF at the time of your choice. • Intelligent preheating does Well Pump Operation 5-ON not function in Cascade 5 Well Pump Mode(Preheating OFF). Do Not Use Well Pump 5-OFF • Freeze protection is still 6 DHW StorageTank/ OFF StorageTank/Solar System Operation 6-ON available with preheating Solar System Do Not Use Storage Tank/Solar System 6-OFF **External Pump: 6 Months Alert 7-ON;8-OFF These settings are to be used when an external pump is41 7&8 Lime Alarm*** 12 Months Alert 7-OFF;8-ON wired to the water heater. 24 Months Alert 7-ON;8-ON Displays Alarm: l Displays a"760"error when 0—1,999 ft(0—609 m) 9-OFF 10-OFF the set time period has been reached to indicate a flush or 2,000—5,399 ft(610—1,645 m) 9-ON,10=OFF service is necessary. 9&10 Hi h Altitude**** 5,400—7,699 ft(1,646—2,346 m) - 9-OFF,I O-ON * *High Altitude 9 Above 2,000 ft(610 m),the water heater will de-rate by 7,700—10,100 ft(2,347—3,078 m) 9-ON,I O-ON 4%for each 1,000 ft(305 m)of altitude gain. This water heater may be installed at elevations up to 10,100 ft(3,078 m)for use with Natural Gas and 4,500 ft(1,370 m)for use with Propane.To use the water heater at a specific altitude,the DIP switches should be set as described above. • 2-switch Panel: Switch; . ' Function•- Setting Common Vent 1-OFF F, 1 CascadeVent Individual Vent 1-ON f, Natural Gas OFF 2 GasType Propane Gas ON 34 Installing the Water Heater • 4. Installing a Cascading System w en installing a cascading system,carefully consider the design of the system and the.features of the installation location.Follow all local �=,J:s and regulations,as well as all guidelines for installing the water heater.The following sections describe additional considerations that specific to installing cascading systems.Read them carefully before designing or installing the system. =g.1i Connecting Water Supplies 5--. ral options are available for plumbing a cascading system of water heaters.The options shown here are only examples.The setup you :.n,-_,ose will vary based on the installation location,local building codes,and other factors.Follow all applicable regulations when installing a a5,�ding system. can connect up to 16 water heaters to meet high-volume hot water demands.Some possible connection options include the following: is z`circulation via Internal Pumps(A"model only): III Union 1, CommunicaTo Cable 151 BallValve - II .Check Valve = . Faucet ❑ ❑ Expansion Tank 1 1 11 1 1 11 1 1 11r Pressure Relief Valve I II I II Iq I t Gas Supply Line ; a DHW Supply Line Cold Water Supply Line Recirculation Line [NPE-180A/210A/240A] The recommended minimum recirculation flow rate for each water heater is 2 GPM.Depending on the number of water heaters and the diameter of the recirculation line,it may not be necessary to connect all water heaters to the recirculation line.If this is ,f the case,set the unconnected water heaters to internal recirculation mode.The master water heater must always be connected to the recirculation line and set to external recirculation mode. `SPE-S iii Union Communication Cable 01,,.Ball Valve Gi-Check Valve- .............. b Faucet ❑ ❑ ❑ Expansion Tank I l 1 1 1 1 1 1 1 $r Pressure Relief Valve I 16 I I16 I 1616 I - Gas Supply Line 6r: DHW Supply Line Cold Water Supply Line [NPE-180S/2105/2405] Installing a Cascading System 35 4.1.1 Piping Sizes and Considerations 4.2 Connecting the Communication Cables When plumbing a cascading system,consider the following pipe Up to 16 water heaters can be connected with Navien Ready-Link diameters and flow rates.Note that flow rates above 6.6 ft/s may communication cables.Select one of the water heaters in the cause pipe erosion.These specifications may vary depending on cascading system as the master water heater,and then connect the installation conditions. other water heaters to it as slaves.Before making any connections, ensure that the power is turned off to all water heaters. pT=54°F; Water Qty Flow rate(GPM) Velocity(ft/s) Diameter(mm/m) Connect the Ready-Link cables to the J6 ports on the right side of 1 7.19 4.78 20A 3/4" the front panel: 2 14.38 5.61 25A 1" 3 21.57 5.54 30A 11/4" 4 28.77 5.21 40A 11/2" ` uMla?�}�t�}?�E�? - 5 35.96 6.53 40A 11/2" - 6 43.15 4.49 50A 2" 7 50.34 5.24 50A 2" ♦ - 8 575 6.00 50A 2" 9 64.72 4.39 65A 21/2" 10 71.92 4.75 65A 21/2" 11 79.11 5.34 65A 21/2" O O 12 86.30 5.84 65A 21/2" 13 93.49 6.33 65A 21/2" *AW 4.2.1 Configuring the Communication Settings 14 100.68 6.79 65A 21/2" 15 107.87 5.11 SOA 3" After connecting the Ready-Link communication cables,restore power to the water heater and turn on all water heaters using the 16 115.07 5.44 80A 3" Power button. 17 122.26 5.81 80A 3" To configure the communication settings: 18 129.45 6.14 80A 3" 1. On the master water heater,press and hold the Diagnostic and Up(+)buttons for more than 5 seconds."MA.00"will 19 136.64 6.46 80A 3" appear on the display to confirm that this water heater is set as 20 143.83 6.83 80A 3" the master. 21 151.02 4.06 100A 4- 22 158.21 4.25 100A 4" 23 165.41 4.45 100A 4" 24172.60 4.65 1 OOA 4" 25 179.79 4.85 100A 4" �rin�i�I■� �`I_�'=L) 26 186.98 5.05 100A 4" r 27 194.17 5.24 100A 4" 28 201.36 5.44 100A 4" 29 208.56 5.61 100A 4" 30 215.75 5.81 100A 4" 4M The table above is based on model NPE-240A. 36 Installing a Cascading System b. 2. On the slave water heater,press and hold the Diagnostic and 2S p g Down(-)buttons for more than 2 seconds."SL.01"will appear nk on the display to confirm that this water heater is set as a slave. tthe ins, of r 3. Repeat step 2 to configure the rest of the slave water heaters in the system. 4. On the master water heater,press and hold the Diagnostic and Up(+)buttons for more than 5 seconds.All the display screens on the configured water heaters will return to the temperature display. • To add additional slaves at a later time,repeat step 2. • To cancel the cascading communication setup, 3 on the master water heater,press and hold the Diagnostic and Reset buttons for more v than 5 seconds.The water heaters will revert to independent operation.Repeat steps 1-4 to reassign the master water heater. •e the C et as 5. Appendixes 5.1 Gds Conversion Procedure: 3. This water heater is configured for Natural Gas from the factory. If 1. Turn off both gas and water supply to the water heater. conversion to Propane Gas is required,the conversion kit supplied 2. Using a Phillips hand screwdriver,remove 4 screws(2 from the i with the water heater must be used. top and 2 from the bottom)of the front cover assembly to gain access to the internal components.See Figure 1 for illustration !: QWARNING of the front cover on the unit. This conversion kit shall be installed by a qualified service - agency*in accordance with Navien's instructions and all - applicable codes and requirements of the authority having E� 1 jurisdiction. The information in these instructions must be I followed to minimize the risk of fire or explosion or to prevent i li I property damage, personal injury or death. The qualified service agency is responsible for the proper installation of !i i .this kit.The installation is not proper and complete until the (� j I operation of the converted appliance is checked as specified in j the manufacturer's instructions supplied with the kit. *A qualified service agency is any individual,firm,corporation or company which either in person or through a representative is engaged in and is responsible for the connection,utilization,repair or servicing of gas utilization equipment or accessories;who is experienced in such work, familiar with all precautions required,and has complied with all of the requirements of the authority having jurisdiction. - In Canada:The conversion shall be carried out in accordance with Figure 1.NPE Series Front cover the requirements of the provincial authorities having jurisdiction =_ and in accordance with the requirements of the CAN-13149.1 and CAN1-B149.2Installation Code. I Oi3 II Tools Required: ' ' .- • Phillips ScrewdriverP • Flathead Screwdriver Gas Inlet 5/32"or 4mm Allen Wrench . Pipe '_ • Combustion Analyzer or Dual Port Manometer • Gas Leak Detector Gas Valve T!Included Items: j r 0 � Rt { Y • Gas Orifice(refer to below table) Water . ;. NG - LP Figure 2.NPE Series Internal Components Heater " 15TAGE' ` 25TAGE`, ='_1STAGE`, 25TAGE NPE-180A 04.80 05.95 03.80 04.70 NPE-1805 NPE-210A 06.10 06.30 04.50 04.80 ' NPE-2105 NPE-240A ' NPE-2405 06.10 06.30 04.50 04.80 Table 1.Orifice size • Gas Pressure and Conversion Kit Number Labels 38 Appendixes �. 0=_le front cover is removed,place it in a safe location to 6. Once the Gas Orifice is exposed,remove the two screws that Fccidental damage.With the internal components hold the part in place.Remove the Gas Orifice from its housing locate the gas inlet pipe and the Gas Valve near the and prepare the new Gas Orifice for the LP conversion for :et a�-o;the unit which are highlighted in Figure 2. installation. th= ga" _ ._57=_=-0iips screwdriver to remove the two screws at Location tion -7, e connection below the Gas Valve where it connects r�i tS -e pipe.See Figure 3 for reference.Once the screws are carefully separate the pipe from the Gas Valve. Remove two(2) . the gas inlet pipe is detached from the Gas Valve,find screws here it B-the connection above the Gas Valve where itis 1 _ - Y Y .—mad to the Fan Motor Assembly.Careful) remove the four - =a,ss by hand using a Phillips screwdriver and pull the Gas - 'A;-.-eaway from the Fan Assembly to access the Gas Orifice. kation B: :�c;efour :.t� jj � at _.rshere „' 1 - 09 _ Iia®:-r.g^:: ~`\`� :� � ����� '�a• �� ..I o• Figure 4.Access to Gas Orifice in Fan Assembly ��s I Q WARNING J �tionA: 1� ri :-. _- - i! I DO NOT adjust or attempt measure gas valve outlet ;.e fry two(2) pn , dt ttt tll f news here > °° pressure.The as valve is factoryset for the correct outlet pressure.This setting is suitable for natural gas and propane, requiring no field adjustment. Figure 3.Detaching Gas Valve from j Attempting to alter or measure the gas valve outlet pressure Gas Inlet Pipe and Fan Motor Assembly I could result in damage to the valve,causing potential severe personal injury, death or substantial property damage. , I Navien water heaters are shipped ready to fire natural gas ONLY. l .! Appendixes 39 7. Replace the old Orifice piece with the new part for use with LP 1 gas.Ensure that the Orifice is properly seated inside the port - before proceeding to the next step. 8. Replace the gas inlet pipe to its original position and use all o�o screws to secure all connections. Do not overtighten as this may damage or crack �b� the components. ° 0J 0 0 1ADANGER Inspect the 0-ring between the gas valve and gas valve inlet Gas Orifice adapter whenever they are disassembled.The 0-ring must be in good condition and must be installed.Failure to comply will cause a gas leak,resulting in severe personal injury or death. 0-ring 9. Set the Front Panel Dip switch according to the gas type. f Q WARNING 1 Be sure to turn off the power before changing the DIP switch �. j setting. O.O-0;0 0 0 Ubb.O — ® I ON 2".3. 4 5 6'=7�8 9-10 1 2- Figure 5.Exploded view of Gas assembly <- i h -000,O.O O O O.O O. fol�f liL NG: LP -- Till A DANGER — - ,-<2 1--z — See Figure 5. Inspect the 0-ring between the gas valve and gas valve inlet adapter whenever they are disassembled.The O-ring must be in good condition and must be installed.Failure ® ®ANGER to comply will cause a gas leak, resulting in severe personal i injury or death. When conversion is required,be sure to set the Front Panel DIP switches according to the supply gas type. i Failure to properly set the DIP switches could cause carbon °:ry monoxide poisoning,resulting in severe personal injury or death. 't T. 10. Turn on the gas and water supply to the water heater. 240LP 240NG Figure 6.Orifice identification 40 Appendixes f LP 11. Measure and adjust the gas/air ratio. c. Fully open several hot water fixtures and set the water rt Option 1.Using Combustion Analyzer(recommended) heater to operate at 1-stage MIN=mode(refer to page 43). a. Loosen the screw,rotate the plate and remove the gasket Measure the CO2 value at low fire. to access the emissions monitoring port as shown in If the CO2 value is not within 0.5%of the value listed in Figure 7. Table 2,the gas valve set screw will need to be adjusted. b. Insert the analyzer into the port(Figure 7). If adjustment is necessary,locate the set screw as shown ck in Figure 8.Using a 5/32"or 4mm Allen wrench,turn the set screw no more than 1/4 turn clockwise to raise or counterclockwise to lower the CO2 value. et fill ch I Figure 7 — Figure 8.Set Screw Location Watef- `.: `--` High:fire::.._ Low fide= The set screw is located behind the screw-on Fuel. Heater = %COz_ %COz_ cover.This must be removed first. _- NPE-180A NG 8.9 9.5 d. Fully open several hot water fixtures and set the water NPE-1805 LP 10.2 10.8 heater to operate at 2-stage MAX mode(refer to page 43). Measure the CO2 value at high fire. P _ NG 8.9 9,5 If the CO2 values do not match Table 2 at high fire,do not v.E 210A adjust the gas valve. Check for the proper Gas Orifice. t' ;yPE-2105 LP 10.2 10.8 °SPE-240A NG 8.9 9.5 ® DANGER !�E-2405 LP 10.2 10.8 Improper gas valve settings can cause severe personal injury, Table 2.CO2 and CO value death or substantial property damage. (CO2 values must be within 0.5%of the values listed.) tel on or Installing a Cascading System 41 } Option 2.Using Digital Manometer c. Fully open a hot water fixture and set the water heater to 5. a. Open the offset pressure port by loosening the screw two operate at 1-stage MIN mode(refer to page 43).Measure ` turns as shown in Figure 9. the offset value at low fire and compare it to the values in 1, Table 3. If the offset value is out of range,the gas valve set screw will need to be adjusted. If adjustment is necessary,locate the set screw as shown 2. in Figure 10. Using a 5/32"or 4mm Allen wrench,turn the set screw no more than 1/4 turn clockwise to raise or 3. -- counterclockwise to lower the offset value. !i f o@ ..i p4 0 0 Figure 9 b. Connect a manometer to the offset pressure port.For dual ! port manometers,use the positive pressure side. s � _ ;Kit Part,No:. Gaslype,: Offset, 10 g Fire u NPE-180A NAC-01 LP -0.03"±0.01" NPE-1805 NAC-100 NG -0.04"±0.01" The set screw is located behind the screw-on cover.This must be removed first. NPE-210A NAC-02 LP -0.02'±0.01 " d. At high fire,do not check the offset value and never adjust NPE-210S NAC-200 NG -0.0411±0.01" the gas valve. H< NAC-03 LP -0.0211±0.0111 NPE-240A NPE-2405 DANGER ` NAC-300 NG -0.0411±0.011 ®i Table 3.Offset value for low fire Improper gas valve settings can cause severe personal injury, death or substantial property damage. { ! 1 1 12. Once the CO2 or offset values have been confirmed,apply the included conversion stickers to show that the appliance has been converted to propane gas. Place this labels adjacent to the rating plate as shown in Figure 11. ThYin11iii°fP" This water heater was converted on e,v:aroeno,na lv<I ee,apsmrDarrrmnvrnrguvmpmrc _��_to gas Origre gW/N)actaur. NJM14S14B mm Inlat Gae Ran9re/Pnwien den"N du gee with Kit No. AgnBatohlae.t9DincAes h mamlwae,vlMv1v9/ y Re,slan�v ronwvn d,wnanuvnn: (name Mm-0Dt roAt¢db61Wp,1.2 etumpmlovnado,lnwr sw.lr9,9gv-N.•n 19,90a8IM o making thismnversion,who amptsresponsibility torthecorrectnessofthisconversion) c9mvn1o00l x>:ruc-0z .r Figure 11.Proper Placement of Gas Conversion Labels 42 Appendixes XI to 5.1.1 Setting the Operation Mode re = in 7. Using the Front Panel,press and hold the Diagnostics Button set for over 5 seconds until"1.TST"is displayed. rn 2 Press the+(Up)button once to change the display to"2.OPR" or 'L Press the Information Button once to acess the Operation Mode menu. Press the+(Up)button once to set the water heater to opearate at 1-stage MIN("MIN.1"). _. To set the water heater to operate at 2-stage MAX,press the+ (Up)button 3 times or until"MAX.2"is displayed. To exit the Operation Mode and return the water heater to normal operation,press the Reset button twice. IT 1%R 91 Diagnostics ijust Information 6 Reset - i ry, Ii I • the Is to f' Appendixes 43 5.2 Technical Data ri Pressure Drop Curve 50 45 40 35 �~ -- -- 30 - o 25 � — N 20 — ` 15 —�-- —' }- a 10 — 0 -- 0 1 2 3 4 5 6 7 8 9 10 Water Flow(GPM) [NPE-240A/2405] 50 45 40 0. 35 35 - H 30 25 20 :__t; i 15 n to 5 0 1 2 3 4 5 6 7 8 9 10 Water Flow(GPM) [NPE-210A/2105] i 50 -- 45 40 35 30 --- --� 25 2010 15 5 - 0 0 1 2 3 4 5 6 7 8 9 10 Water Flow(GPM) [NPE-180A/1805] F 44 Appendixes { Outlet Flow Data 170 -- - _ 1L0 _- 9.0 so 7.0 6.0 ----- --- i 0 5.0 _ - -- — 4.0 3.0 2010 -- ; ; 0.0 0 30 60 90 120 150 AT-Temperature Rise ff) [NPE-240A] 11.0 ., 10.0 fl 7.0 6.0 :.� - --- -_ - - -- o — a 4.0 `-. - -- _--- �� -- -- 0.0 0 30 60 90 120 150 AT-Temperature Rise(T) [NPE-210A] 10.0 -- T 9.0 8.0 7.0 ro- - 6.0 4.0 LL3.0r :77- -- - 20 _ _ _ _ LO ....;--sem_ 0.0 0 30 60 9D 120 150 AT-Temperature Rise(7) [NPEA 80A] At altitudes above 2,000 ft(610m),the outlet flow will be reduced by 4%for each 1,000 ft(305 m)of altitude gain. Appendixes 45 Outlet Flow Data • 13.0 12.0 11.0 10.0 9.0 8.0 6.0 0 5.0 4.0 3.0 2.0 1.0 0.0 0 30 60 90 120 ISO AT-Temperature Rise('F) [NPE-240S] lit 12.0 10.0 9.0 8.0 7.0 CL 6.0 =----- 4.0 2-0 1.0 0.0 0 30 60 90 120 ISO AT-Temperature Rise('F) [NPE-210S] 9.0 8.0 7.0 6.0 0 4.0 3.0 2.0 1.0 0.0 0 30 60 90 120 ISO AT-Temperature Rise(•F) [NPE-180S] At altitudes above 2,000 ft(610m),the outlet flow will be reduced by 4%for each 1,000 ft(305 m)of altitude gain. 46 Appendixes . c .. 3 - : . - •� .- 1, . str'� Color Code B :Blue Power Cold 0 :Orange Grou id(GY) �• R :Red Front Panel W :White W Y :Yellow BK :Blatk o�C �P BK Neutral(W)0� of BK BR :Brown BKBKBKBKBKBKBKBKBKBKBKBK PowerSwitch Fuse(SA) Gy GY:Green/Yellow I GY-111 Ground High Limit S/W BK O O O r---Optional— CONS __Optional——— CONS TB1 CONI Y External Pump R O W nF5 Air Pressure SensorW 8 L 1 BK § R--0 Flame Rod Flow Sensor W OC BK 6K IG B r---E222)-7– B 8 CONE O BR Z Inletl Thermistor O Spark ,v g�g O Electrode R1 B B Dual Venturi � Outlet2Thermistor 8 B CON4 CON2 00 InIet2Tltermistor 8 B B B Outletl Thermistor B B B 0 B-�'p}�----B Exhaust Thermistor CON7 Oy N -A —L . aW__t;NV BR0 CON3 Pump WAV 0 R M Water Adjustment Valve 8 Feedback Y O R Y W ROW BK BK CONS FM Ground IIGY CON11 CON10 O O Fan Motor W Y MGV R If any of the original wires as Main Gas Valve supplied with the water heater must be replaced,they must be replaced a with their equivalent. a rD t A ' V co D co O rDC CL x Color Code B :Blue Front Panel Freeze Protect S/W Power Cord 0 :Orange, 'Ground(GY) R :Red Anti-Frost Heater W White Y :Yellow BK :Black Oft) �P BK Neutral(W) Hot6 BR :Brown BKBKBK Power Switch Fuse(SA) GY GY:Green/YellowBKBKBKBKBKBKBKBKBK 1 GY-111 Ground High LimitS/W BK---L_ CONS 0 O r——• Optional—— vi BK— EPIP 1B1 I CONI Y External R O W Pump APS Air Pressure Sensor yy -1 ® R Flow Sensor yy O BK lame Rod BK B B B CONE IG BR Inletl !ermistor B B O Spark B-I"T---B O Electrode Z Outlet2Thermistor -IW41— Dual Venturi B B CON4 EO—N2 00 .ra InIet2Thermistor BMJ--B O W JP L B �Z�---e 0 (`/1 Outletl Thermistor B B BR B N B B .a Exhaust Thermistor B B CONT {/1 BR:-Fr--- O N WAV R O A O Water Adjustment Valve N B Feedback Y CON3 u R W BK O Y OR ROW BK MIX O - I -AO M Mixing Valve R CONB B FM Feedback Y CON9 R ORM BK C G .20 O Fan Motor Ground 11 GY CON10 0 W� OY MGV R If any of the original wires as Main Gas Valve supplied with the water heater must be replaced,they must be replaced with their equivalent. �. =�"'. :�.:�-�3�•- tom'.�� 3Yss�,c�� -�.. ._ _ _-- -- :cw,�w` --_ -_ - - -- - -- '- --- - - - -- - - - - - - --- '1 5.4 Ladder Diagram HOT NEUTRAL Relay�l�L_PUMP EMI FILTER Imo- I a ay .�NTURI � I,� Relay3 IGNffER ^� I �i I Relay4 PUMP ' >1 i� FAN Primary J SMPS L, Secondary +1 1 •► DC75V - Speed Control I, �. DC24V OC12V Water Adjust I FSA Power 200V DCSV Valve Switch "L �•I I Flow Control Flame Rod I Flow Sensor J APS H.T.L Fan WD-PSS ' Hall Sensor I Oullet Driving Circuit I Thermistor 1 i I Relay 3 Outlet MCU 7 I MGVt MCU 2 Thermistor 2 " MGV2 Inlet Retay 1 ' 'star, � "" � Relay2 Inlet Relay 4 Thertn(stor2 Exhaust Thermistor Communication Interface UART FRONT Communica0on PANEL Interface t fRdy 11nk Ready link erface ` [NPE-180A/210A/240A] npc nelxes 49 _"_ iz ] HOT NEUTRAL I Relay, , –PUMP . FILTER Relay 3 —IGNITER !�.J�� Relay 4 J_PUMP 1PWM r— j l FAN I j Primary SMPS Speed Control Secondary ��� (1� ' 1! �► Dczav I ! I ► DC,2V ;� �� I FSA Power 200V DCSV �WatVear lvAedjust) �I �% ij , —F Switch Wareg����� IF_l_a me Rod a LL U LL o Flow r APS H.T. Fan L -i I j Hail Sensor WD-PSS , I I ' OutleI Driving Circuit Thermisttor, ! ! ! i ; ►, Relay 3 OutletMGVt — s MCU 2 !Thermistor 2 MCU 1 i ► , ►, MGV2 — Inlet ! ► Relay 1 Thermistor, yi I ►� Relay 2 �! Intel ! Relay 4 . Thermistor 2 L� Exhaust Thermistor I j Communication Interface 1 i j I 1 DART FRONT i - Communication 0PANEL { Interface i j Ready Link ' G Ready Link Interface [NPE-1805/2105/2405] 50 Appendixes SLI 5-5 Component Assembly Diagrams and Parts Lists .1 Case Assembly JI � A ^ A 17�D I E r i o � ' Appendixes 51 Description w. - „.- _ Part - - �= - 1 Intake Air Duct Assembly 30008662B 2 Intake Air Filter 20007667A 20019078C NPE-180A/210A/240A 3 Case 200265598 NPE-1805/210S/2405 ' 4 Air Pressure Sensor 30010346A 5 Panel Bracket 20018388A 300086788 NPE-180A/21OA/240A 6 Cover 30011694A NPE-180S/2105/2405 i 7 Case Lower Bracket 20007643B fill7 8 PCB 30011969A .9 Power Switch 30009482A I ? •: i '- 10 Front Panel 30008333A 11 Case Bracket 20007609A 12 Exhaust Pipe Assembly 30008673A 13 Rubber Ring 20025127A 9 i 14 Saddle 20013508A NPE-180S/21OS/240S 1 15 Saddle Brackett 20026170A NPE-1805/2105/2405 16 Freeze Protector Sensor 30002587A NPE-1805/210S/240S i 17 Freeze Protector Sensor Bracket 20007671A NPE-1805/210S/240S 18 Saddle Bracket 2 20026172A NPE-1805/2105/2405 j 52 Appendixes ,40 551 Burner Assembly(NPE-180A/210A/240A) ' a a - ------------------- a �6� O d . b Appendixes 53 V i' ;C _ 5.5 # Description art# Remark.',, 30009189A NPE-180A 1 Heat Exchanger Assembly 30010812A NPE-210A ) 30008780A NPE-240A 2 Fan O-Ring(G50) 20003019A 3 Fan Bracket(F) 20022095A 4 Flow Sensor Assembly 30008571A 4-1 Thermistor 30008366A 5 Fan Braket(R) 20022096A fv' 30009166A NPE-180A 6 Cold Inlet Pipe 30010805A NPE-210A " 30008446A NPE-240A 6-1 0-Ring(017.5x2.7t) 20006947A 7 WPA-A(Clip) 20018344A 7-1 Thermistor 30008366A 8 WPA-B 20018343A 30009126A NPE-180A 9 H-Ex Middle Pipe 30010803A NPE-210A 30008439A NPE-240A 30009145A NPE-180A 10 Hot Water Outlet Pipe 30008442A NPE-210A/240A 11 WPA-A(Screw) 30008569A 11-1 Thermistor 30008366A 12 Fastner 20017726A ;r 13 Ignition Transformer 3001045SA 14 Fastner 20007853A 15 Ignitor 30012226A 16 Damper 30008825A 17 Buffer Tank inlet Adapter 20018346A 17-1 0-Ring(P16) 20017210A 18 Thermistor 30009478A 54 Appendixes - 553 Burner Assembly(NPE-1805/2105/2405) B 8 ."7 1 VM, a �i _ � J e � Q Appendixes 55 iet 40 1 Ignition Transformer 30010455A 2 Fan Bracket(R) 20022096A 3 Thermistor 30009478A Exhaust 30011706A NPE-1805 4 Heat Exchanger Assembly 30011705A NPE-2105 30011704A NPE-2405 5 Ignitor 30012226A 6 Packing(026.5x2.4t) 20006868A 30011519A NPE-1805 7 Heat Exchanger Outlet Pipe 30011515A NPE-2105/2405 8 WPA-C(Screw) 20026780A 9 Fastner 20017726A 10 0-Ring(0 1 7.5x2.7t) 20006947A 30011521A NPE-1805 11 Cold Inlet Pipe 30011665A NPE-21 05 30011517A NPE-2405 f. 12 Fan Damper 30008825A 13 Fan Packing 20022744A 14 Fan Bracket(F) 20022095A 15 Backup Ring 20018744B 16 High Limit Switch .30002577A 17 Fastner 20007853A 18 WPA-A(Clip) 20018344A 19 Thermistor 30008366A Water 20 WPA-B 20018343A 30009126A NPE-1 80S/1 80A 21 H-Ex Middle Pipe 30010803A NPE-2105/210A 30008439A NPE-2405/240A 22 WPA-A(Screw) 30008569A 30011518A NPE-1805 23 Mixing Pipe 30011514A NPE-2105/2405 24 WPA-T 20025960A 30011520A NPE-1805 25 Hot Water Outlet Pipe 30011516A NPE-21 OS/240S 56 Appendixes 5.5.4 Waterway Assembly(NPE-18OA/21OA/240A) IP. � 4 I� jo. -10 Vol .Uescriptron _ Part# _. - Aemark 1 BufferTank 30009030A 2 Hot Water Outlet Pipe Assembly 30008338A 2-1 Pipe Adapter 20024496A 2-2 O-RING(P20) 20017212A 2-3 Thermistor(Red) 30008366A 2-4 O-RING(P16) 20017210A 2-5 Pipe Clip 20007733B 3 Return Pipe Assembly 30008350A 3-1 Pipe adapter 20024496A Appendixes 57 rt y Description Part'#` Remark i, 3-2 O-RING(P20) 20017212A 3-3 O-RING(P19) 20017211A 3-4 Water Filter 30008171A 3-5 Pipe Clip 20007733B 4 Circulation Pump 30010346A 4 4-1 Pump Air Seperator 30006831A 4-2 Drain Plug 300035506 4-3 0-RING(P18) 20006947A ` 5 Fastner 20017726A 6 Water adjustment valve(WAV) 30008245A 7 WAV Outlet Pipe Assembly 30008624A 7-1 O-Ring(PI 6) 20011438A 8 Syphon 30009756B 8-1 O-Ring(031.7x3.5t) 20018013A 8-2 Syphon Clip 20018155A 8-3 Hose Clip 20007833A 8-4 Syphon Hose 20018429A 9 Pump Outlet Pipe Assembly 30008361A 9-1 CheckValve 30008359A 9-2 Pipe Clip 20017722A i 9-3 0-Ring(P16) 20017210A 10 Return Pipe clip 20017767A 11 Fastner 20007859A 12 Cold Water Inlet Pipe Assembly 30009437A r: 12-1 Water Filter 30008171A 12-2 0-RING(P19) 20017211A 12-3 Pipe adapter 20024496A 12-4 0-RING(P20) 20017212A 12-5 Pipe Clip 200077338 13 0-RING(P29) 20017923A 14 BufferTank adapter 20017757A 15 Buffer tank pipe A 20017759A 16 Buffer tank pipe B 20017760A 17 Fastner 20017724A 58 Appendixes 33-5 Waterway Assembly(NPE-1805/2105/2405) o ,, aha a . a a® E5 GR a,. a � Appendixes 59 T EK' #::_ D.escri tion Part# Rerna�k P 1 Bracket 20026489A 2 Thermistor 30008366A 'Fz 3 Water Filter 30008171A 4 Cold Water Inlet Adapter 30011597A 5 0-Ring(P15) 20017217A a: 6 Fastner 20007859A 1' 7 Flow Sensor 30011534A 8 0-Ring(P16) 20017210A 9 Flow Sensor Outlet Adapter 20025959A '', 10 Outlet Adapter 20025961A , 11 Fastner 20017726A 12 Water Adjustment Valve(WAV) 30011532A 13 Inlet Adapter 20025962A 14 0-Ring(P18) 20006947A 15 How Water Outlet Adapter 30011601A 16 Siphon 30009756B 17 Siphon Hose 20018429A i a 60 Appendixes 55.6 Fan(Gas)Assembly e r %4 o � O i i -- J b b • 8 Appendixes 61 #:;. Description - - _ _ Parti#: _ Remark 5.6 30009921A Aft NPE-1805/180A 1 Gas Adapter � swie 30009922A NPE-2105/210A/2405/240A 1,. Ov✓n 30013323A NPE-180S/180A r. ; yoi 2 Gas Pipe _o th 30008431A NPE-2105/210A/2405/240A 3 Gas Connector 20018430A Ins 4 Gas Valve 30008429A ? mai f - 5 Gas Inlet Adapter 20023809A ;fat 6 Fan Assembly 30008834A 7 Dual Venturi 30009219A NPE-1 80S/1 80A `?a� _ — 30008909A NPE-2105/210A/2405/240A stl 20019142A NPE-1805/180A ;; :s ti 8 Silence — 20023829A NPE-2105/210A/2405/240A sti 20023861A NPE-1 80S/1 80A 9 Silence Adapter — 20019141A NPE-2105/210A/2405/240A Cot 10 0-Ring(1320) 20006934A DO i 11 0-Ring(G75) 20018079A =ti 12 Fan Packing 20022744A =.j 20024159A NPE-180S/180A(LN) .' 20024190A NPE-2105/210A/2405/240A(LN) _ 13 Gas Orifice * — 20019144A NPE-1 80S/1 80A(LP) 20024189A NPE-2105/210A/2405/240A(LP) -_ 14 Venturi packing 20022660A a — 15 0-Ring(P34) 20019090A cu — 62 Appendixes f 5.6 Installation Checklist After installing the water heater,review the following checklist.You should be able to answer"Yes"to all of the items in the checklist.If not, review the appropriate sections to complete the installation.To troubleshoot any operational problems refer to'Troubleshooting"in the Owner's Manual. If you have additional questions or need assistance with installation,contact Technical Support at 1-800-519-8794 or 1-949-420-0420,or refer to the technical support section of Navien's website(www.navien.com). Installing the Water Heater -.- - Yes' No Have you maintained the required clearances from building openings and intake air vents? Have you minimized the distance between the water heater and the vent termination? Have you minimized the distance between the water heater and major fixtures? Have you maintained the proper service and maintenance clearances? Is the make-up air supply sufficient for proper operation? Is the make-up air supply free from dust,dirt,corrosive elements,and flammable vapors? Is the water heater and vent piping clear of combustible materials,including clothing,cleaning materials,and rags? Connectirig ttie Gas Supply Yes No - Does the gas supply match the type specified on the water heater's rating plate? Is the gas line at least 1/2"or 3/4"ID(Inner Diameter)? ``, Is the gas supply line sufficient in length and diameter to deliver the required BTUs? Have you measured the pressure of the gas supply line? Is the gas supply pressure within the recommended ranges specified in this manual? Is the gas supply line equipped with a manual full port valve? Have you tested the gas line pressure and all fittings for leaks? Has the gas company inspected the installation,if required? j Connecting the Wate[Supply- - Yes -No' Is the water supply pressure sufficient(greater than 40 PSI)? Have you installed shut off valves on the inlet and outlet to facilitate cleaning of the inlet water filter? Have you bled the air out at each fixture? Have you checked each fixture to ensure hot water is being supplied? Have you cleaned the inlet water filter? Ifyou installed a recirculation line,have you insulated the hot water pipes and the return line? conriecting a;Pressure.Relief.Valve,_. _ _ Yes. Na. Have you installed an approved pressure relief valve on the water heater? Does the rating of the pressure relief valve match or exceed the maximum BTU rating of the water heater? Is the pressure relief valve at least 3/4"in diameter? Appendixes 63 z• r n n ,. 7r, jh Connecting a Pressure Re1iefVaMe Yes' No Have you installed the pressure relief valve on the hot water outlet pipe near the water heater? Have you installed a discharge drain tube from the pressure relief valve to within 6-12"(150-300mm)of the floor? NOT ibis al Connecting the'Condensate.Drain Yes, No ""i CMR I'v1P0i Have you installed a condensate drain line from the water heater to a drain or laundry tub? =or all ;side "Venting the WH ateir, eater = Yes- s ven te sat Have you vented the water heater with 2"or 3"PVC,CPVC,Polypropylene,Type BH Special Gas Vent(ULC-5636)for Category IV Water Heaters(Canada),or in accordance with all local codes and the guidelines in this manual? 3' IN th Have you ensured that PVC cellular core pipe has not been used as venting for the water heater? in Is the vent sloped upward toward the vent termination at a rate of 1/4"per foot(2%grade)? b` st Are all vent runs properly supported? se a. Have you properly supported the vent termination? Have you properly sealed all air intake and exhaustjoints,from the flue collar to the to the vent termination? b. Have you installed end caps on the exhaust and intake pipes? Have you checked the venting for leaks? Is the vent termination at least 12"(300mm)above the exterior grade? cc Have you ensured that sufficient make-up air is available? - SI Is the total vent length within the maximum vent length restriction? . 0 Connecting the Power Supply -. Yes° Is the supplied voltage 110-120V AC? 7. Is the water heater plugged into a properly grounded outlet? If you have made a direct power supply connection,have you installed a power switch to facilitate end-user maintenance? Have you checked the polarity of the electrical connection? Is the system properly set up for cascading operation(master and slave water heaters),if applicable? ' ,.Setting the DlP Switches.„ _Yes. No Have you verified the positions of all DIP switches on the circuit board? Have you verified the positions of all DIP switches on the front panel? O gratin thew p g ater Heater, ' .w, - - Yes-' No Have you shown the-owner how to clean the inlet water filter? Have you given the Installation Manual and Owner's Manual to the owner for future reference? Have you shown the owner how to shut off the gas in case of an emergency? 64 Appendixes r ku O ,d Requirements for the State of Massachusetts !NICE BEFORE INSTALLATION appliance must be installed by a licensed plumber or gas fitter in accordance with the Massachusetts Plumbing and Fuel Gas Code 248 aT R Sections 2.00 and 5.00. o- :rPORTANT:In the State of Massachusetts(248 CMR 4.00&5.00) '. all side wall horizontally vented gas fueled equipment installed in every dwelling,building or structure used in whole or in part for -ss�dential purposes,including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than U •; �-ren(7)feet above finished grade in the area of the venting,including but not limited to decks and porches,the following requirements shall satisfied: INSTALLATION OF CARBON MONOXIDE DETECTORS.At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery,back-up is installed on the floor level where the gas equipment is to be installed.In addition,the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling,building or structure served by the side wall horizontal vented gas fueled equipment.It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic,the hard wired carbon monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level. b. In the event that the requirements of this subdivision can not be met at the time of completion of installation,the owner shall have a period of thirty(30)days to comply with the above requirements;provided,however,that during said thirty(30)day period,a battery operated carbon monoxide detector with an alarm shall be installed. - APPROVED CARBON MONOXIDE DETECTORS.Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified. SIGNAGE.A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight(8)feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment.The sign shall read,in print size no less than one-half(1/2)inch in size,"GAS VENT DIRECTLY BELOW.KEEP CLEAR OF ALL OBSTRUCTIONS". ,o = INSPECTION.The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless,upon inspection,the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4. ,o 'o r' Appendixes 65 a mavie111 Condensing Water Heater Installation Manual 1 Getting Service If your water heater requires service,you have several option-s-for getting service: Contact Technical Support at 1-800-519-8794 or on the website:www.navien.com For warranty service,always contact Technical Support first. • Contactthe technician or professional who installed your water heater. . Contact a licensed professional for the affected system(for example,a plumber or electrician). Whenyoucontact Technical Support,please have the following information at hand: • Model number • Serial number • Date purchased • Installation location and type • Error code,if any appears on the front panel display. Ver5ion:4.00(June 30.2014) f� Navien N ava e N 0 Goodyear �� rvine,CA 92618 TEL 1-800-519-8794 FAX+949-420-0430 www.navien.com G.