24
Page
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
10-3. Fan motor
Part #
ͻഩϯϭϵϭϰϯͲϰϰϯ;<ϭϬϵͿ͗ŝƌĞĐƚsĞŶƚ/ŶĚŽŽƌŵŽĚĞů
ͻഩϯϭϵϭϰϯͲϬϰϯ;<<ϮϱͿ͗KƵƚĚŽŽƌŵŽĚĞů
Unit Part#
#103
Function
dŽ ƉƌŽǀŝĚĞ ĐŽŵďƵƐƚŝŽŶ Ăŝƌ ŝŶƚŽ ƚŚĞ ĐŽŵďƵƐƚŝŽŶ ĐŚĂŵďĞƌ ĂŶĚ ƚŽ ĞdžŚĂƵƐƚ
ĨůƵĞŐĂƐ͘
Failure events
ϭ͘&ĂŶƐƉĞĞĚĨĂŝůƵƌĞ͕ĐĂƵƐŝŶŐĂďŶŽƌŵĂůƐŽƵŶĚƐǁŝƚŚŽƌǁŝƚŚŽƵƚĐŽŵďƵƐƚŝŽŶ
during operation.
Ϯ͘hŶĞdžƉĞĐƚĞĚĂĐƚŝǀĂƚŝŽŶĐĂƵƐĞĚďLJƚŚĞĐŽŶŶĞĐƚŽƌƐŽĨƚŚĞĨĂŶŵŽƚŽƌŐĞƚƚŝŶŐǁĞƚ͘
ϯ͘ŝƐĐŽŶŶĞĐƚƐĨƌŽŵƚŚĞďŽƚƚŽŵŽĨƚŚĞĐŽŵďƵƐƚŝŽŶĐŚĂŵďĞƌ͘
Effects on the water heater
if fan motor fails
ϭ͘dŚĞǁĂƚĞƌŚĞĂƚĞƌĚŽĞƐŶŽƚĨƵŶĐƚŝŽŶƉƌŽƉĞƌůLJ͘
2. Failure to ignite or abnormal ignition.
ϯ͘hŶƐƚĂďůĞĐŽŵďƵƐƚŝŽŶĐŽŶĚŝƚŝŽŶƐ͘
Error codes when
the fan motor fails
101 111 121 611 991
Diagnostic
ϭ͘sŝƐƵĂůŝŶƐƉĞĐƚŝŽŶ͗ĐŽŶŶĞĐƚŝŽŶͬďƌĞĂŬĂŐĞŽĨǁŝƌĞƐŽƌĚƵƐƚ;ĐĂƵƐŝŶŐĞůĞĐƚƌŝĐĂů
shortage)
Ϯ͘sŽůƚĂŐĞĐŚĞĐŬ͗ƉƌŽƉĞƌƌĂŶŐĞŽĨǀŽůƚĂŐĞƐƐŚŽǁŶďĞůŽǁ͘
Color / Number of wires
Blue - Red
ϭϯϮƚŽϭϵϮs;/ŶƉƵƚͿ
Check
point
G
Yellow - Blue
ϭϯƚŽϭϳs;/ŶƉƵƚͿ
Orange - Blue
Ϯ͘ϬƚŽϲ͘ϱs;/ŶƉƵƚͿ
White - Blue
sĞƌŝĨLJ ƚŚĞ ĨĂŶ ŵŽƚŽƌ ƐƉĞĞĚ ƵƐŝŶŐ ƚŚĞ
ŝĂŐŶŽƐƚŝĐƐ DŽĚĞ ŽĨ ƚŚĞ ĐŽŶƚƌŽůůĞƌ͘
^ĞĞ^ĞĐƚŝŽŶϭϮͲϭĨŽƌĚĞƚĂŝůƐ͘
3-5/8" (92 mm)
6-1/2" (164 mm)
∅
Opening 2-1/8” ( 54 mm)
dŚĞĨĂŶŵŽƚŽƌĨŽƌŝŶĚŽŽƌŵŽĚĞůŚĂƐƚŚĞ
red
ĐŽŶŶĞĐƚŽƌĂŶĚƚŚĞĨĂŶŵŽƚŽƌĨŽƌŽƵƚĚŽŽƌ
model has the
white
connector.
WtEƚƵƌďŽĨĂŶŵŽƚŽƌ
The connector
