Burners - A.O. Smith T-M32 Service Manual

10-1. Burners

Unit Part #
Function
Failure event
Effects on the water
heater if burners fails
Error codes when the
burners fails
Diagnostic
Color / Number of wires
Burner damper (#101 / EM409 )
9 -5 / 8 " ( 24 5 m m)
The burner damper is not
included in EM410.
#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 of 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.
101
V isual inspection: excessive dust deposit on the burner surface and/or
unstable flame conditions during operation.
33T
" 3 3T " m a rk
T-M32 / T-M32 ASME Service Manual
EM410
111
N/A
1 0 - 3 / 4 " ( 2 7 3 m m )
15
CONFIDENTIAL
Ver. 1.03
Checkpoint
121 991
N/A