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Navien NP-180 Installation Manual

Other manuals for NP-180: Quick Installation Manual
Manual is about: NR/NP Series

Summary of NP-180

  • Page 1

    Gas water heater operation 3 warning if not followed this installation manual 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 other appliance. - what to do if yo...

  • Page 2

    Navien gas water heater operation 4 █ installation manual - contents accessories included with the water heater -------------------------- 3 optional accessories --------------------------------------- 4 specifications -------------------------------------------------------------------- 5 components...

  • Page 3: █ Accessories:

    Navien gas water heater installation 3 █ accessories: 1. Included with the water heater : item description qty navien gas water heater 1 remote controller 1 owner ’s operation and installation manual 1 wall mounting bracket 1 condensate drain hose 1 tapping screws & anchors 4 vent terminators 2 wall...

  • Page 4: █ Optional Accessories:

    Gas water heater installation 4 █ optional accessories: a 2. Optional accessories: item description navien plumb easy valve set navien pressure relief valve navien condesate neutralizer navien ready-link communication cable contact your navien water heater supplier for optional accessories. Accessor...

  • Page 5: █ Specifications:

    Navien gas water heater installation 5 █ specifications: please review these specifications before installation to confirm proper unit selection: as navien is dedicated to continuous product improvement, navien reserves the right to change specifications and/or design and/or discontinue any model or...

  • Page 6: █ Key Components: Nr-A

    Gas water heater installation 6 █ key components: nr-a no description navien part no. No description navien part no. 1 intake air duct bh2505400b 16 wav ncvm9ex00005 2 fan motor nafa9glpct01 17 transformer bh1205008a 3 buffer tank pasncwbftank_001 18 exhaust limit switch bh1401027a 4 flow sensor bh1...

  • Page 7: █ Key Components: Np-A

    Navien gas water heater installation 7 █ key components: np-a no description navien part no. No description navien part no. 1 intake air duct bh2505400b 17 transformer bh1205008a 2 fan motor nafa9glpct01 18 exhaust limit switch bh1401027a 3 buffer tank pasncwbftank_001 19 secondary h/e - 4 flow sens...

  • Page 8

    Gas water heater installation 8 █ dimensions: nr-a, np-a nr-a , np-a description diameter a exhaust 3” b air intake 3” c dhw supply ¾” d recirculation inlet ¾” e cold water inlet ¾” f gas inlet ¾” nr-a , np-a type dimensions model ① ② ③ ④ 180 14 ” 29.2 ” 13.7” 17.3” 210 15.2 ” 29.2” 14.9” 17.3” 240 ...

  • Page 9: █ Key Components: Nr

    Navien gas water heater installation 9 █ key components: nr no description navien part no. No description navien part no. 1 intake duct bh2505400b 17 transformer bh1205008a 2 fan motor nafa9glpct01 18 exhaust limit switch bh1401027a 3 flow sensor bh1406004f 19 secondary h/e - 4 power switch bh142600...

  • Page 10: █ Key Components: Np

    Gas water heater installation 10 █ key components: np no description navien part no. No description navien part no. 1 intake air duct bh2505400b 17 transformer bh1205008a 2 fan motor nafa9glpct01 18 exhaust limit switch bh1401027a 3 flow sensor bh1406004f 19 secondary h/e - 4 power switch bh1426003a...

  • Page 11: █ Dimensions: Nr, Np

    Navien gas water heater installation 11 █ dimensions: nr, np nr, np description diameter a exhaust 3” b air intake 3” c dhw supply ¾” d cold water inlet ¾” e gas inlet ¾” nr, np type dimensions model ① ② ③ ④ 180 14 ” 29.2 ” 13.7” 17.3” 210 15.2 ” 29.2” 14.9” 17.3” 240 15.2 ” 29.2” 14.9” 17.3” compon...

  • Page 12: █ Installation Warnings:

    Gas water heater installation 12 █ installation warnings: read all s afety warnings in the “owner’s operation manual”. The additional safety issues outlined below must also be followed completely when installing this navien water heater: 1. This unit is designed for indoor installations. Do not oper...

  • Page 13: █ Getting Started:

    Navien gas water heater installation 13 █ getting started: check the rating plate navien units come from the factory configured for use with either liquid propane (lp) or natural gas (ng). Before starting the installation, check the rating plate located on the backside of the front cover of the wate...

  • Page 14: █ Check Rating Plate:

    Gas water heater installation 14 █ check rating plate: sample rating plate do not install the navien water heater in areas with excessively high humidity:  do not install the unit in a location where there is excessively high humidity such as bathrooms, damp crawl space and other areas such as this...

  • Page 15

    Navien gas water heater installation 15 █ locating the water heater: location selection may not necessarily affect the operation of the navien water heater but it will affect the customer’s experience and level of satisfaction with the product. Understanding that each building is different, the cont...

  • Page 16

    Gas water heater installation 16 █ locating the water heater: 7. Select a location that ensures the unit will have sufficient and clean combustion air; avoid installation where dust or debris will accumulate; avoid installation where chemical agents (e.G., hair spray, spray detergent, chlorine, chem...

  • Page 17: █ Plumbing:

    Navien gas water heater installation 17 caution this water heater must only be used with the following water supply system conditions : with clean, potable water free of corrosive chemicals, sand, dirt, of other contamintes. With inlet water temperature above 32℉ (0℃), but not exceeding 140℉ (60℃). ...

  • Page 18: █ Plumbing:

    Gas water heater installation 18 █ plumbing: water piping guidelines nr, np series nr-a, np-a series notice : if using mixing valves on the outlet, choose one which prevents cold water pressure from overcoming hot water line pressure. The flow rate of hot water may vary when more than two faucets(ap...

  • Page 19

    Navien gas water heater installation 19 █ pressure relief valve: an approved ¾”, maximum 150 psi pressure relief valve must be installed on the hot water outlet, as close to the unit as possible. Please see below for more information on approved pressure relief valves.  each navien water heater has...

  • Page 20

    Gas water heater installation 20 █ disposal of condensate: ▶ this navien water heater is a high efficiency gas appliance that creates condensation when it operates. Condensation has an acidic (ph) of approximately 3~4. Follow your local code with regards to the disposal of condensation. Here are sev...

  • Page 21

    Navien gas water heater installation 21 █ condensate drain & cleaning:  a condensate drain tube is included with the navien water heater. This tube must be connected to the port at the bottom of the unit (see below). The end of the tube should drain to a laundry tub or to a floor drain. If addition...

  • Page 22: █ Gas Piping:

    Gas water heater installation 22 █ gas piping:  navien recommends the water heater be the first appliance installed downstream of the gas meter to ensure it will have sufficient gas supply.  use the charts on the following pages to properly size the gas supply line. The gas connection fitting on a...

  • Page 23: Gas Pipe Sizing Chart:

    Navien gas water heater installation 23 █ gas pipe sizing chart: maximum natural gas delivery capacity in cubic feet (ft 3 ) per hour (0.60 specific gravity, 0.5" wc pressure drop) pipe size length in feet 10' 20' 30' 40' 50' 60' 70' 80' 90' 100' 125' 3/4" 363 249 200 171 152 138 127 118 111 104 93 ...

  • Page 24

    Gas water heater installation 24 █ measuring inlet gas pressure: procedure to measure the inlet gas pressure: 1. Shut off the manual gas valve on the supply gas line. 2. Open a hot faucet. The unit should turn on and the gas in the gas pipe line should purge. Leave the faucet on to keep the unit run...

  • Page 25: █ Venting:

    Navien gas water heater installation 25 █ venting:  for best results, keep the vent system as short and straight as possible.  locate the water heater as close as possible to the vent terminator.  the water heater vent must not be common vented with any other gas appliance or vent stack.  slope ...

  • Page 26: █ Venting:

    Gas water heater installation 26 █ venting:  do not store hazardous or flammable substances near the vent terminator.  if this product will be installed in an area where snow is known to accumulate, protect the vent termination from blockage.  vent terminator must b e a minimum of 12” above groun...

  • Page 27: █ Venting:

    Navien gas water heater installation 27 █ venting:  to fit the unit for non-direct vent, insert the termination end cap (provided with the water heater) into the intake air duct. Do not glue to allow for easy removal and cleaning of the cap. Combustion air supply requirement for non-direct vent : ...

  • Page 28: █ Venting:

    Gas water heater installation 28 for installation in canada, field supplied plastic vent piping must comply with can/cga b149 1(latest edition)and be certified to the standard for type bh gas venting systems, ulc s636 components of this listed system shall not be interchanged with other vent systems...

  • Page 29: █ Venting Clearances:

    Navien gas water heater installation 29 █ venting clearances: all clearance requirements are in accordance with ansi z21.10.3 and the national fuel gas code, ansi z223.1 / nfpa 54 and can/cga b149.1 national gas and propane installation code. Ansi z223.1 / nfpa 54 can/cga b149.1 national gas and pro...

  • Page 30: █ Venting:

    Gas water heater installation 30 █ venting: allowable 3" venting model max length max # of elbows equivalent lengths 180 100 ’ 6 reduce the maximum vent length accordingly for each elbow used: each 90˚elbow equates to 5 linear feet of vent. Each 45˚elbow equates to 2 linear feet of vent. 210 100’ 6 ...

  • Page 31

    Navien gas water heater installation 31 █ venting: indoor installation vent configuration options: the following diagrams represent some typical venting configurations and are included to assist you in your designing your vent system. Possible configurations are not limited to these diagrams. Option...

  • Page 32: █ Venting:

    Gas water heater installation 32 █ venting: venting option #3 : 3” 2-pipe vertical vent termination 12” minimum from any obstruction (above, below, left or right) 12” min intake exhaust.

  • Page 33: Venting:

    Navien gas water heater installation 33 █ venting: concentric vent termination 1. Sidewall installation 2. Roof installtion dimension "a" "b" "c" "d" 38-7/8" 3" 4-1/2" 21-1/8" combustion air vent 1" minimum vent combustion air maintain 12" min. Clearance above highest anticipated now level or grade,...

  • Page 34

    Gas water heater installation 34 █ venting: outdoor installation contaminated combustible air will damage the unit  follow all local codes, or in the absence of local codes, follow the most recent edition of the national fuel gas code: ansi z223.1/nfpa 54 in the usa or can/csa b149.1 natural gas, p...

  • Page 35

    Navien gas water heater installation 35 read all safety warnings in the “owner’s operation manual”. The additional safety issues outlined below must also be followed completely when installing this navien water heater: vent terminal should not be pointing toward any opening of the building or window...

  • Page 36

    Gas water heater installation 36 caution label all wires prior to disconnection when servicing coltrols. Wiring errors can cause improper and dangerous operation. Verify proper opation after servicing. █ electrical connections: electric wiring: grounding and surges  all units come with a factory in...

  • Page 37

    Navien gas water heater installation 37 █ remote controller installation: the following are considerations for determining the location of the remote controller:  disconnect the power to the water heater before installing the remote controller.  the wire on the reserve of a remote controller is co...

  • Page 38: █ Pcb Board Settings:

    Gas water heater installation 38 █ pcb board settings: water heater temperature settings:  with the navien water heaters, the temperature has been preset at the factory to 120ºf (nr, nr-a), 140ºf (np, np-a). The pcb board will electronically control this temperature. The output hot water temperatur...

  • Page 39: █

    Navien gas water heater installation 39 caution this drawing can be a useful guideline when installing a unit. However, installation may vary depending on the location circumstances, local building codes or state regulation. Make sure to check the local building codes and state regulation before ins...

  • Page 40

    Gas water heater installation 40 2. Case ii : nr, np model recirculation install check valve in either “a” or “b”. Navien recommends to use "a" series for recirculation. Because nr/np models don't have circulation pumps inside, external pump shall be installed to use recirculation function, addition...

  • Page 41

    Navien gas water heater installation 41 3.Case iii nr, np + nr-a, np-a model recirculation it is necessary to install the check valve in “c”. Install check valve in either “a” or “c” . 4. Case iv. Ch + nr-a, np-a model recirculation install check valve in the “a” series cold water inlet for cascade ...

  • Page 42

    Gas water heater installation 42 step 2: the common vent a “combined” vent is a venting system for two or more appliances at one level that are attached to a common vent. Least total height is the vertical distance from the highest appliance flue outlet in the system to the top of the vent. This is ...

  • Page 43

    Navien gas water heater installation 43 caution: one short radius elbow = 8 feet, one long radius elbow = 5 feet total length (l) = h + w required load (btuh) model total length(l: max. Ft) nr-180(a) nr-210(a) nr-240(a) d= 3” d=4” d=5” d=6” till 300,000 2 50 90 100 - till 330,000 1 1 50 90 100 - til...

  • Page 44

    Gas water heater installation 44 5. Cascade system plumbing pipe size (@ nr/np-240(a)) q’ty △t=86 ºf flowrate (gpm) velocity of water (ft/s) pipe diameter (mm/in) q ’ty △t=86 ºf flowrate (gpm) velocity of water (ft/s) pipe diameter (mm/in) 1 7.19 4.78 20a 3/4” 16 115.07 5.44 80a 3 ” 2 14.38 5.61 25a...

  • Page 45

    Navien gas water heater installation 45 step 3: cable connection and dip switch change the water heater unit can be connected with other units up to 16 units using communication cables. After choosing one of the units as the master unit, connect the cables and change the dip switch 2 on the pcb as b...

  • Page 46

    Gas water heater installation 46 -the diagram above displays the master unit and slave unit connected with the ready link communication cable. - the dip sw6(kdc-324-xm pcb board), which is used only for organizing cascade system, be switched on if the corresponding unit is the first or the last unit...

  • Page 47

    Navien gas water heater installation 47 slave set-up after the master set-up, push the sw3 and sw4 of slave 1 unit simultaneously for more than 3 seconds. Fnd1 of the slave 1 unit will be changed to “s001”. Slave 2 unit also can be set-up as above. After the slave set-up, each fnd1 will be changed o...

  • Page 48

    Gas water heater installation 48 unit master unit slave 1 unit slave 2 unit slave 3 unit fnd1 fnd1 display: master set-up (slave unit addition) slave unit set-up this procedure is same as the 2.2 slave set-up of the 3. Step 3: communication set-up. After the slave set-up, each fnd1 will be changed o...

  • Page 49

    Navien gas water heater installation 49 █ water heater dip switch settings: there are two sets of dip switches; one set has 6 switches and the other has 8 switches. Set of dip switch #1. (6 switches): 1 & 2: burner operation mode select operation mode dip switch 1 2 normal operation off off maximum ...

  • Page 50

    Gas water heater installation 50 5 & 6: model selection model dip s/w 5 6 nr/np-180, nr/np-180a off off nr/np -210, nr/np -210a on off nr/np -240, nr/np -240a off on set of 8 switches: operating mode selection: no. Description function on off 1 ready-link multi-system select ready-link multi-system ...

  • Page 51

    Navien gas water heater installation 51 4 & 5: pump and recirculation modes selection description dip switch # 4 5 with pump (nr-180a, nr-210a, nr-240a, np-180a, np-210a, np-240a) normal off off external recirculation off on internal recirculation on off without pump (nr-180, nr -210, nr -240, np-18...

  • Page 52

    Gas water heater installation 52 █ installation checklist:  selecting the location and installing the water heater:  are the proper clearances from windows, doors and other intake air vents maintained?  is the distance between the water heater and point of vent termination minimized?  is distanc...

  • Page 53

    Navien gas water heater installation 53  pressure relief valve  is there an approved pressure relief valve installed on the hot water outlet?  does the rating plate on the pressure relief valve indicate a btu level equal to the maximum btu rating of the water heater? Is the pressure relief valve ...

  • Page 54

    Gas water heater installation 54  venting has the water heater been vented with 3” abs (except cellular core abs), 3” pvc, 3 ” cpvc, concentric vent kit or type bh special gas vent (s636 pvc or stainless steel) for category iv appliances or in accordance with this manual and/or your local code?  e...

  • Page 55

    Navien gas water heater installation 55  dip switch settings  for the set of 6 dip switches:  are switch #1 and #2 in the down (off) position?  is switch #3 properly set for the gas supply type?  is switch #4 in the down (off) position?  are switch #5 and #6 set for the proper model number?  ...

  • Page 56

    Gas water heater installation 56 █ factory setting of dip switch: █ completing the install: if you answered “yes” to all of the questions in the above checklist, your install is now complete. If you answered “no” to any of the points in the checklist, please review the installation and operation man...

  • Page 57: █ Wiring Diagram:

    Navien gas water heater installation 57 █ wiring diagram: nr-a if any of the original wires as supplied with the heater must be replaced, they must be replaced with their equivalent. W iring diagram a c 15 0v a c 12 0v r w bk b g r /y g nd m gv s o l e noid v al ve 1 br a c 12 0v f us e (5 a) c n2 c...

  • Page 58: █ Wiring Diagram:

    Gas water heater installation 58 █ wiring diagram: np-a if any of the original wires as supplied with the heater must be replaced, they must be replaced with their equivalent. W iring diagram a c 15 0v a c 12 0v r w bk b g r /y g nd m gv s o l e noid v al ve 1 br a c 12 0v f us e (5 a) c n2 c n 15 c...

  • Page 59: █ Wiring Diagram:

    Navien gas water heater installation 59 █ wiring diagram: nr if any of the original wires as supplied with the heater must be replaced, they must be replaced with their equivalent. W iring diagram a c 15 0v a c 12 0v r w bk b g r /y g nd m gv s o l e noid v al ve 1 br a c 12 0v f us e (5 a) c n2 c n...

  • Page 60: █ Wiring Diagram:

    Gas water heater installation 60 █ wiring diagram: np if any of the original wires as supplied with the heater must be replaced, they must be replaced with their equivalent. W iring diagram a c 15 0v a c 12 0v r w bk b g r /y g nd m gv s o l e noid v al ve 1 br a c 12 0v f us e (5 a) c n2 c n 15 c n...

  • Page 61: █ Ladder Diagram:

    Navien gas water heater installation 61 █ ladder diagram: nr-a w iring diagram hot neutral power switch 120vac mgv relay 1 relay 2 relay 3 relay 4 relay 6 sgv 1 sgv 2 igniter relay 7 pump speed control transformer primary secondary mcu 1 mcu 2 flame rod ac150v ac9v ac26v relay power supply wd-rss dc...

  • Page 62: █ Ladder Diagram:

    Gas water heater installation 62 █ ladder diagram: np-a . W iring diagram hot neutral power switch 120vac mgv relay 1 relay 2 relay 3 relay 4 relay 6 relay 9 sgv 1 sgv 2 igniter 2-way v/v relay 7 pump speed control transformer primary secondary mcu 1 mcu 2 flame rod ac150v ac9v ac26v relay power sup...

  • Page 63: █ Ladder Diagram:

    Navien gas water heater installation 63 █ ladder diagram: nr w iring diagram hot neutral power switch 120vac mgv relay 1 relay 2 relay 3 relay 4 relay 6 sgv 1 sgv 2 igniter speed control transformer primary secondary mcu 1 mcu 2 flame rod ac150v ac9v ac26v relay power supply wd-rss dc24v relay 2 rel...

  • Page 64: █ Ladder Diagram:

    Gas water heater installation 64 █ ladder diagram: np . W iring diagram hot neutral power switch 120vac mgv relay 1 relay 2 relay 3 relay 4 relay 6 relay 9 sgv 1 sgv 2 igniter 2-way v/v speed control transformer primary secondary mcu 1 mcu 2 flame rod ac150v ac9v ac26v relay power supply wd-rss dc24...

  • Page 65

    Navien gas water heater installation 65 █ components diagram & parts list: 1-1. Case disassemble : nr-a, nr, np-a, np component s dia gram & pa rts lis t ladder diagra m 1 3 7 6-1 12 94 94 80 80 80 5 8 6 92 80 10 80 9 80 80 2 93 7-1 7-2 2-1 107 112 113 115 119.

  • Page 66

    Gas water heater installation 66 1-2. Case part list : nr-a, nr, np-a, np no description navien part no. Remark 1 case bbk05011117 180 a bbk05011118 210/240 a bbk05011137 180 bbk05011138 210/240 a 2 cover bbr15012151 2-1 navien logo bh2603009a 3 case upper bracket bh2505277a 115 case lower bracket b...

  • Page 67

    Navien gas water heater installation 67 2-1. Burner disassemble : nr, nr-a np, np-a components dia gram & pa rts lis t 11 13 14 15 17 21 22 23 19 24 25 20 31 30 33 34 68 69 70 71 69 70 75 75 77 14 30 23 70 80 80 95 80 96 97 106 101 103 98 99 105 104 26 'a' detail 'a' 18 20-1 80 19-1 13-1 117 18-4 18...

  • Page 68

    Gas water heater installation 68 2-2. Burner part list : nr-a, nr, np-a, np no description navien part no. Remark 11 gas pipe bh2507510b 210/240 ng bh2507509b 180 ng bh2507512b 210/240 propane bh2507511b 180 propane 13 gps venturi bh2507359b 180 ng bh2507360b 210/240 ng bh2507409b 180 propane bh2507...

  • Page 69

    Navien gas water heater installation 69 no description navien part no. Remark 68 tube bh2203001a 69 tube bh2202023a 180 bh2202024a 210/240 70 tube bh2202022a 180 bh2202025a 210/240 71 tube bh2202036a 180 bh2202041a 210/240 75 o-ring bh2421003a 77 o-ring bh2421008a 80 screw (d4 x 8l) bh1705007a 95 sc...

  • Page 70

    Gas water heater installation 70 3-1. Water way disassemble : nr-a components dia gram & pa rts lis t 53 54 28-2 41 40 39 43 80 58 73 60 80 89 83 91 91 64 63 74 52 74 4 91 74 48 47 47 46 46 46 46 46 46 46 46 78 32 32 78 74 74 81 74 78 32 74 78 49 74 74 74 74 78 78 67 82 52 50 109 a 16 65 62 61 46 46...

  • Page 71

    Navien gas water heater installation 71 3-2. Water way disassemble : np-a components d ia gram & pa rts lis t components d ia gram & pa rts lis t 53 54 28-2 41 40 39 43 80 58 73 60 80 89 83 91 91 64 63 74 52 74 4 91 74 48 47 47 46 46 46 46 46 46 46 46 78 32 32 78 74 74 81 74 78 32 74 78 49 74 74 74 ...

  • Page 72

    Gas water heater installation 72 3-3. Water way disassemble : nr components d ia gram & pa rts lis t components d ia gram & pa rts lis t 38 36 35 37 56 53 54 104 86 16 62 61 46 46 74 74 65 46 74 4 91 87 46 78 109 27 78 27 45 46 46 46 46 46 46 46 74 74 74 87 91 74 87 66 29 74 47 32 78 32 78 47 55 88 ...

  • Page 73

    Navien gas water heater installation 73 3-4. Water way disassemble : np components d ia gram & pa rts lis t components d ia gram & pa rt s lis t 38 36 35 37 53 54 104 86 16 62 61 46 46 74 74 65 46 74 4 91 87 46 78 109 27 78 27 45 46 46 46 46 46 46 46 74 74 74 87 74 29 74 47 32 78 32 55 88 81 40 39 4...

  • Page 74

    Gas water heater installation 74 2-2. Water way part list : nr-a, np-a, nr, np no description navien part no. Remark 4 flow sensor bh1406004f 16 water adjustment valve ncvm9ex00005 27 heat exchanger packing bh2406048a 28 heat exchanger ass ’y bbm20341018 nr-180a bbm20341017 nr-210/240a bbm20341019 n...

  • Page 75

    Navien gas water heater installation 75 no description navien part no. Remark 62 inlet water filter bh1303013a 63 3-way valve bh2507467c “a” series 64 dhw supply adapter bh2507348b “a” series bh2507572a “non-a” series 65 cold water inlet pipe bh2507528b nr-a bh2507530b np-a bh2507574a nr-180 bh25075...

  • Page 76

    Gas water heater installation 76 no description navien part no. Remark 91 packing ring (3/4") bh2406032a 100 bolt m4 x 12l (sts) bh1612007a 102 screw d4 x 6l bh1705006a 104 bolt d4 x 10l (sts) bh1611006a 107 bolt m3 x 5l bh1603002a 108 bolt m4 x 14l (sts) bh1612008a 109 water pipe adapter (a, screw)...

  • Page 77: █ Service

    Navien gas water heater installation 77 █ service general troubleshooting problem possible solutions it takes a long time to get hot water to the fixtures. Circulation pump is in freeze protection mode. Circulation pump needs to change hot water circulation mode. The water is not hot enough. Check g...

  • Page 78

    Gas water heater installation 78 printed date: xx(month). Xx(day). Xxxx(year).