Navien NPE-180A User manual

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.
What to do if you smell gas
Do not try to light any appliance.
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.
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,
ANSIZ223.1/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.
* Lead Free
Keep this manual near this water heater for future reference
whenever maintenance or service is required.
* The wetted surface of this product contacted by consumable water contains
less than one quarter of one percent (0.25%) of lead by weight.
Installation Manual
NPE Condensing Water Heaters
Model
NPE-180A
NPE-210A
NPE-240A
NPE-150S
NPE-180S
NPE-210S
NPE-240S

67Appendixes
6.5 Component Assembly Diagrams and Parts Lists
6.5.1 Case Assembly
12
7
13
8
9
10
18
2
1
3
4
6
5
17
16
15
14
11

68 Appendixes
# Description Part # Remark
1 Intake Air Duct Assembly 30008662B
2 Intake Air Filter 20007667A
3 Case 20019078C NPE-180A/210A/240A
20026559B NPE-150S/180S/210S/240S
4 Air Pressure Sensor 30010346A
5 Panel Bracket 20018388A
6Cover 30008678B NPE-180A/210A/240A
30011694A NPE-150S/180S/210S/240S
7 Case Lower Bracket 20007643B
8 PCB 30011969A
9 Power Switch 30009482A
10 Front Panel 30008333A
11 Case Bracket 20007609A
12 Exhaust Pipe Assembly 30008673A
13 Rubber Ring 20025127A
14 Saddle 20013508A NPE-150S/180S/210S/240S
15 Saddle Bracket 1 20026170A NPE-150S/180S/210S/240S
16 Freeze Protector Sensor 30002587A NPE-150S/180S/210S/240S
17 Freeze Protector Sensor Bracket 20007671A NPE-150S/180S/210S/240S
18 Saddle Bracket 2 20026172A NPE-150S/180S/210S/240S

69Appendixes
6.5.2 Burner Assembly(NPE-180A/ 210A/ 240A)
7
618
13
3
7-1
10
9
12
814
11
12
4-1
4
17-1
11-1
12
12
1
15
14
5
2
17
6-1
6-1
6-1
6-1
6-1
12
6
12
6-1

70 Appendixes
# Description Part # Remark
1 Heat Exchanger Assembly 30009189A NPE-180A
30010812A NPE-210A/240A
2 Fan Packing 20022744A
3 Fan Bracket(F) 20022095A
4 Flow Sensor Assembly 30008571A
4-1 Thermistor 30008366A
5 Fan Braket(R) 20022096A
6 Cold Inlet Pipe 30009166D NPE-180A
30010805D NPE-210A/240A
6-1 O-Ring (Φ17.5x2.7t) 20006947A
7 WPA-A (Clip) 20018344A
7-1 Thermistor 30008366A
8 WPA-B 20018343A
9 H-Ex Middle Pipe 30009126A NPE-180A
30010803C NPE-210A/240A
10 Hot Water Outlet Pipe 30009145A NPE-180A
30008442A NPE-210A/240A
11 WPA-A (Screw) 30008569A
11-1 Thermistor 30008366A
12 Fastner 20017726A
13 Ignition Transformer 30010455A
14 Fastner 20007853A
15 Ignitor 30008591A
16 Damper 30008825A
17 Buffer Tank Inlet Adapter 20018346A
17-1 O-Ring (P16) 30009478A
18 Thermistor 30009478A