Navien NP-180, Руководство по обслуживанию

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4.6.10. Manifold
Navien Part No.
Function
Failure Event
1. The manifold distributes gas from the gas valve to the burner.
2. To provide proper quantity of gas to burner in each stage.
3. There are 3 zones within the manifold, to ensure efficient combustion
operation.
1. Dust deposit on the manifold.
2. Gas leakage from a failed manifold.
3. Ignition failure.
4. Imperfect combustion.
1. The burner cannot receive proper gas flow from the manifold, which can cause
poor combustion in the combustion chamber. In this case, the flame rod will
detect an improper flame condition and the PCB board will take safety
measures.
2. Gas leakage from the manifold.
E003, E004, E012
1. Visual inspection: Connection and/or breakage of wires.
2. Voltage check: Check range of voltage shown below.
1. Yellow – Yellow : On : DC 83 ~ 120 V, Off : 0 V
2. Red – Red : On : DC 83 ~ 120 V, Off : 0 V
Effects
Error Code
Diagnostic
PABCR180AMF_001
PABNR/NP180AMF_001
PABCC210AMF_001
PABCC210AMF_002
Check Point N/A
Color /
Number of wires
Nozzle
Solenoid Valve
Fuel Gas Supply
3 Stage
2 Stage
1 Stage
Model : 180
Model : 210/240
1*
6WDJH
6WDJH
6WDJH
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ŻペŐ
ŻペŐ
ŻペŐ
ŻペŐ
ŻペŐ
3*
1*
6WDJH
6WDJH
6WDJH
ŻペŐ
ŻペŐ
ŻペŐ
ŻペŐ
ŻペŐ
ŻペŐ
3*