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NPE-180A
Service manual
Table Of Contents - Navien NPE-180A Service Manual
Npe series condensing water heaters
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User manual
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Installation manual
(71 pages)
,
Operation manual
(20 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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Contents
1. Safety Information
1.1 Safety Definitions
1.2 Safety Symbols
1.3 Symbols Used in the Instructions
1.4 Safety Precautions
2. Product Information
2.1 Product Information
2.2 Layout and Key Components
3. Technical Data
3.1 General Specifications
3.2 Dimensions
4. System Details
4.1 Schematic and Flow Diagram
4.2 Operation Flow Chart
4.3 Setting the DIP Switches
4.4 Measuring the Inlet Gas Pressure
4.5 Selecting a Recirculation Mode
4.6 Gas Conversion
4.7 The Front Panel
4.8 Wiring Diagram
4.9 Ladder Diagram
4.10 Electrical Diagnostic Points
4.11 Key Components Description
4.11.1 PCB
4.11.2 High Limit Switch
4.11.3 Thermistor
4.11.4 Fan Motor
4.11.5 Flame Rod Assembly
4.11.6 Ignition Transformer
4.11.7 APS
4.11.8 Main Gas Valve
4.11.9 Burner
4.11.10 Water Adjustment Valve
4.11.11 Flow Sensor
4.11.12 Primary Heat Exchanger
4.11.13 Secondary Heat Exchanger
4.11.14 Buffer Tank ("A" models only)
4.11.15 Circulation Pump ("A" models only)
5. Troubleshooting
5.1 Error Code List
5.1.1 003Error
5.1.2 004Error
5.1.3 012Error
5.1.4 016Error
5.1.5 030Error
5.1.6 046Error
5.1.7 047Error
5.1.8 060Error
5.1.9 109Error
5.1.10 110Error
5.1.11 407Error
4
NPE Service Manual
8
5.1.12 421Error
5.1.13 432Error
8
5.1.14 434Error
8
5.1.15 438Error ("A" models only)
8
5.1.16 439Error
5.1.17 441Error
8
5.1.18 445Error
12
5.1.19 515Error
5.1.20 517Error
12
5.1.21 593Error
13
5.1.22 594Error
5.1.23 615Error
16
5.1.24 736Error
16
5.1.25 782Error
17
5.1.26 740Error
5.1.27 760Error
18
5.1.28 785Error
18
5.2 Troubleshooting guide by symptom
20
6. Replacement of Parts
21
6.1 Replacement Procedure
24
6.2 Components Replacement Instructions
27
7. Components Diagram and Part List
29
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7.1 Case Assembly
52
7.2 Burner Assembly(NPE-180A/ 210A/ 240A)
54
7.3 Burner Assembly(NPE-150S/ 180S/ 210S/ 240S)
56
7.4 Waterway Assembly(NPE-150S/ 180S/ 210S/ 240S)
58
7.5 Waterway Assembly(NPE-150S/ 180S/ 210S/ 240S)
58
7.6 Fan(Gas) Assembly
59
8. Inspection and Maintenance Schedule
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8.1 Maintenance
62
8.2 Annual Servicing
63
8.3 Inspection Report
64
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8.4 Maintenance Report
66
9. Common Vent and Outdoor vent Cover Installing
67
151
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9.1 Installing the Outdoor vent Cover
70
9.2 Installing Procedure
71
9.3 Choosing an Installation Location
72
9.4 Mounting Water Heater
73
9.5 Ventilation Flow
73
9.6 Common Venting
76
10. Installing the H2Air
81
83
10.1 About the H2Air
88
10.2 Installing the Device
91
10.3 Wiring the Device
93
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10.4 Configuring the Device
94
10.5 Configuring the NPE-180A/240A Water Heater
96
10.6 Maintenance
98
10.7 Appendix
99
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Version 2.21
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Table of Contents
Troubleshooting
Troubleshooting
74
Troubleshooting guide by symptom
119
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This manual is also suitable for:
Npe-210a
Npe-180s
Npe-210s
Npe-240s
Npe-240a
Npe-150s
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