22
Page
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
10-1. Burners
Part #
ͻഩϯϭϵϭϰϯͲϱϭϰ;<ϭϵϮͿ
Unit Part#
#101
Function
dŚĞƌĞ ĂƌĞ Ϯ ƚLJƉĞƐ ŽĨ ďƵƌŶĞƌƐ ŝŶ ƚŚĞ ďƵƌŶĞƌ ĂƐƐĞŵďůLJ͗ ƚŚĞ ŐĂƐͲƌŝĐŚ ďƵƌŶĞƌ
ƐƚĂďŝůŝnjĞƐƚŚĞĨůĂŵĞƐǁŝƚŚŝŶƚŚĞĐŽŵďƵƐƚŝŽŶĐŚĂŵďĞƌĂŶĚƚŚĞĂŝƌͲƌŝĐŚďƵƌŶĞƌ
ƉƌŽĚƵĐĞƐ ŵŽƌĞ ŚĞĂƚ ŝŶ ƚŚĞ ĐŽŵďƵƐƚŝŽŶ ĐŚĂŵďĞƌ͘ dŚĞ ďƵƌŶĞƌƐ ĨĂĐŝůŝƚĂƚĞ
ƚŚĞ ĂŝƌͬŐĂƐ ŵŝdžƚƵƌĞ ŶĞĐĞƐƐĂƌLJ ƚŽ ƉƌŽĚƵĐĞ ƚŚĞ ƉƌŽƉĞƌ ŚĞĂƚ ĚƵƌŝŶŐ ƚŚĞ
combustion reaction.
Failure events
ϭ͘hŶĂďůĞƚŽŝŶŝƚŝĂůŝnjĞͬƐƵƐƚĂŝŶĐŽŵďƵƐƚŝŽŶ͘
Ϯ͘ƵƐƚŽƌƐŽŽƚĚĞƉŽƐŝƚŽŶƚŚĞďƵƌŶĞƌƐƵƌĨĂĐĞ͘
3. Cracks on the burners.
ϰ͘'ĂƐůĞĂŬĂŐĞĨƌŽŵƚŚĞďƵƌŶĞƌƐ͘
Effects on the water heater
if burners fails
ϭ͘hŶĞdžƉĞĐƚĞĚĐŽŵďƵƐƚŝŽŶ͘
Ϯ͘hŶƐƚĂďůĞĨůĂŵĞĐŽŶĚŝƚŝŽŶƐĂŶĚͬŽƌĨůĂŵĞůŽƐƐ͘
ϯ͘/ŐŶŝƚŝŽŶĨĂŝůƵƌĞ͘
ϰ͘ĂĐŬͲĨŝƌŝŶŐ͘
Error codes when
the burners fails
101 111 121 991
Diagnostic
sŝƐƵĂů ŝŶƐƉĞĐƚŝŽŶ͗ ĞdžĐĞƐƐŝǀĞ ĚƵƐƚ ĚĞƉŽƐŝƚ ŽŶ ƚŚĞ ďƵƌŶĞƌ ƐƵƌĨĂĐĞ ĂŶĚͬŽƌ
ƵŶƐƚĂďůĞĨůĂŵĞĐŽŶĚŝƚŝŽŶƐĚƵƌŝŶŐŽƉĞƌĂƚŝŽŶ͘
Color / Number of wires
N/A
Checkpoint
N/A
7-1/2" (190 mm)
9" (229 mm)
5-1/4" (132 mm)
46V
70R
I
G
"46V" mark
"70R" mark