Navien CH-180 Service manual - page 43
Other manuals for CH-180:
Owner's Operation Manual, User's Operation Manual, Installation Manual, Operation Manual, Installation Manual
Manual is about: Combination Water Heater
/ Heating Boiler
of
155
41
4.6.9. APS
Navien Part No.
Function
Check Point
NASS9EX00009
E
Failure Event
1. The combustion noise occurs.
2. Imperfect and/or lifting flame occurs.
Effects
Error Code
E009, E010, E027
Diagnostic
Color /
Number of wires
1. Red- black : DC 5 V
2. White – black : DC 0.3 ~ 4.5 V
1. Sensing the air-pressure for air velocity following gas supply.
2. APS device automatically controls the quantity of air supply operate with
GPS.
1. The boiler is not operating.
2. Excess carbon monoxide emissions-greater than 400ppm.
1. Visual inspection: Connection and/or breakage of wires.
2. Voltage check: Check range of voltage shown below.
©Navien America Inc. 2010
CH series service Manual
Version 1.0