Burners - A.O. Smith 110 Indoor Service Manual

10-1. Burners

Unit Part #
Function
Failure events
Effects on the water heater
if burners fails
Error codes when the
burners fails
Diagnostic
Color/Number of wires
The burner for the 110 Indoor and 110 Outdoor has the "46B" mark as shown below.
Burner damper (#112 / 319143-170)
The burner damper is not
included in 319143-161.
#101 AOS Part #
There are 2 types of burners in the water heater: the gas-rich burner
stabilizes the flames within the combustion chamber and the air-rich
burner produces more heat in the combustion chamber. The burners
facilitate 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 surface.
3. Cracks on the burners.
4. Gas leakage from the burners
1. Unexpected combustion.
2. Unstable flame conditions and/or flame loss.
3. Ignition failure.
4. Back-firing.
10
Visual inspection: excessive dust deposit on the burner surface and/or
unstable flame conditions during operation.
17
110 Indoor / 110 Outdoor Service Manual
319143-161
11 12
N/A
CONFIDENTIAL
Ver. 1.01
Checkpoint N/A
99