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Navien Manuals
Water Heater
NP-180
Service manual
Navien NP-180 Service Manual page 4
Nr/np series tankless gas water heater
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:
Operation & installation manual
(89 pages)
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Installation manual
(78 pages)
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Quick installation manual
(4 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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4.4.2. NP-A Model
4.4.3. NR Model
4.4.4. NP Model
4.5. ELECTRICAL DIAGNOSTIC POINTS
4.6. KEY COMPONENTS DESCRIPTION
4.6.1. PCB
4.6.2. Thermal Fuse
4.6.3. Transformer
4.6.4. High Limit Switch or Exhaust Limit Switch
4.6.5. Thermistor
4.6.6. Fan motor
4.6.7. Flame Rod Ass'y
4.6.8. Ignition Transformer
4.6.9. APS
4.6.10. Manifold
4.6.11. Main Gas Valve
4.6.12. GPS
4.6.13. Burner
4.6.14. Water Adjustment Valve
4.6.15. Flow Sensor
4.6.16. Primary Heat Exchanger
4.6.17. Seconary Heat Exchanger
4.6.18. Buffer Tank ("A" Series)
4.6.19. Circulation Pump ("A" Series)
4.6.20. Bypass Mixing Valve ("Non-A" Series)
5. TROUBLESHOOTING
5.1. ERROR CODE LIST
5.2. 01ERROR
5.3. 03ERROR
5.4. 04ERROR
5.5. 07ERROR
5.6. 08ERROR
5.7. 09ERROR
5.8. 10ERROR
5.9. 12ERROR
5.10. 15ERROR
5.11. 16ERROR
©Navien America Inc. 2010
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NR/NP series service Manual
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Table of Contents
Troubleshooting
TROUBLESHOOTING
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TROUBLESHOOTING GUIDE BY SYMPTOM
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This manual is also suitable for:
Np-180a
Np-210
Nr-180
Nr-180a
Nr-210a
Np-210a
...
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Nr-240
Np-240
Nr-240a
Np-240a
Nr-210
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