Navien CH-180, Service Manual, Page: 47 / 155

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4.6.13. Burner
Navien Part No.
Function
Check Point
PABNCN30KDBN_003
PABNCW48KDBN_002
N/A
Failure Event
Effects
Error Code
E003, E004, E012
Diagnostic
Color /
Number of wires
1. Pre-Mixed burner.
2. Pre-Mix system reduces emissions and increase efficiency.
3. The burner facilitates the air/gas mixture necessary to produce the
proper heat during the combustion reaction.
1. Unable to initialize/sustain combustion.
2. Dust or soot deposit on the burner(fin) surface
3. Gas leakage from burners.
Visual inspection: Excessive dust deposit on the burner (fin) surface and/or
unstable flame conditions during operation.
N/A
1. An unexpected combustion.
2. Unstable flame conditions and/or flame loss.
3. Ignition failure.
1-Stage Burner 2-Stage Burner 3-Stage Burner
Fuel Gas Supply
Combustion Air Supply
Burner Body
(Fuel Gas + Combustion Air
© Navien Ameri c a I n c . 20 1 0 CH series servi c e Manua l Version 1 .0