23
Page
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
10-2. Gas manifold
Part #
ͻഩϯϭϵϭϰϯͲϱϭϱ;<ϭϴϭͿ͗WƌŽƉĂŶĞ
ͻഩϯϭϵϭϰϯͲϱϭϲ;<ϭϴϮͿ͗EĂƚƵƌĂůŐĂƐ
Unit Part#
Included
in #102
Function
ϭ͘dŚĞŵĂŶŝĨŽůĚĚŝƐƚƌŝďƵƚĞƐŐĂƐĨƌŽŵƚŚĞŐĂƐǀĂůǀĞƐƚŽƚŚĞďƵƌŶĞƌƐ͘dŚĞ
ŵĂŶŝĨŽůĚŚĂƐƚǁŽƚLJƉĞƐŽĨƚŚĞŶŽnjnjůĞƐ͗ŽŶĞƚLJƉĞĨŽƌŐĂƐͲƌŝĐŚďƵƌŶĞƌƐ;ϭϲ
ŶŽnjnjůĞƐͿĂŶĚƚŚĞŽƚŚĞƌĨŽƌĂŝƌͲƌŝĐŚďƵƌŶĞƌƐ;ϭϱŶŽnjnjůĞƐͿ
Ϯ͘dŚĞƌĞĂƌĞϯnjŽŶĞƐǁŝƚŚŝŶƚŚĞŵĂŶŝĨŽůĚ͕ƚŽĞŶƐƵƌĞĞĨĨŝĐŝĞŶƚĐŽŵďƵƐƚŝŽŶ
operation.
Failure events
ϭ͘ƵƐƚĚĞƉŽƐŝƚŽŶƚŚĞŵĂŶŝĨŽůĚ͘
Ϯ͘'ĂƐůĞĂŬĂŐĞĨƌŽŵĂĨĂŝůĞĚŵĂŶŝĨŽůĚ͘
ϯ͘/ŐŶŝƚŝŽŶĨĂŝůƵƌĞ͘
ϰ͘/ŵƉĞƌĨĞĐƚĐŽŵďƵƐƚŝŽŶ͘
Effects on the water heater
if the manifold fails
ϭ͘dŚĞďƵƌŶĞƌƐĐĂŶŶŽƚƌĞĐĞŝǀĞƉƌŽƉĞƌŐĂƐĨůŽǁĨƌŽŵƚŚĞŵĂŶŝĨŽůĚ͕ǁŚŝĐŚĐĂŶ
ĐĂƵƐĞƉŽŽƌĐŽŵďƵƐƚŝŽŶŝŶƚŚĞĐŽŵďƵƐƚŝŽŶĐŚĂŵďĞƌ͘/ŶƚŚŝƐĐĂƐĞ͕ƚŚĞ&Z
ƌŽĚǁŝůůĚĞƚĞĐƚĂŶŝŵƉƌŽƉĞƌĨůĂŵĞĐŽŶĚŝƚŝŽŶĂŶĚĐŽŵƉƵƚĞƌǁŝůůƚĂŬĞƐĂĨĞƚLJ
measures.
Ϯ͘'ĂƐůĞĂŬĂŐĞĨƌŽŵƚŚĞŵĂŶŝĨŽůĚ͘
Error codes when
the manifold fails
101 111 121 991
Diagnostic
ϭ͘sŝƐƵĂůŝŶƐƉĞĐƚŝŽŶ͗džĐĞƐƐŝǀĞĚƵƐƚĚĞƉŽƐŝƚĂƌŽƵŶĚƚŚĞŶŽnjnjůĞƐŽƌĐƌĂĐŬƐŽŶ
ƚŚĞŵĂŶŝĨŽůĚ͘
Ϯ͘ŚĞĐŬǀŽůƚĂŐĞƐĂŶĚƌĞƐŝƐƚĂŶĐĞ͗ƉƌŽƉĞƌƌĂŶŐĞŽĨǀĂůƵĞƐƐŚŽǁŶďĞůŽǁ͘
Color / Number of wires
Blue - Red
ϵϯƚŽϭϮϬsͬϮ͘ϬϳƚŽϮ͘ϱϯŬɏ
Checkpoint
N/A
ϯϭϵϭϰϯͲϱϭϱ;<ϭϴϭͿĨŽƌWƌŽƉĂŶĞŵŽĚĞů
ĂŶĚ ϯϭϵϭϰϯͲϱϭϲ ;<ϭϴϮͿ ĨŽƌ EĂƚƵƌĂů
ŐĂƐ ŵŽĚĞů ŝƐ ĂŶ ĂƐƐĞŵďůLJ ŽĨ ƚŚĞ ŐĂƐ
ŵĂŶŝĨŽůĚ ǁŝƚŚ ƚŚĞ ŐĂƐ ǀĂůǀĞ ĂƐƐĞŵďůLJ͘
&Žƌ ƐĂĨĞƚLJ ƌĞĂƐŽŶƐ͕ ƚŚĞƐĞ ĂƐƐĞŵďůŝĞƐ
should be installed in the unit as a
whole set.
dŚĞŐĂƐŵĂŶŝĨŽůĚŚĂƐƚŚĞ͞ϲϴ͟ΗϭϮϬsΗ
ŵĂƌŬŽŶƚŚĞŵĂŶŝĨŽůĚƉůĂƚĞ͘
EŽnjnjůĞƐĨŽƌĂŝƌͲƌŝĐŚďƵƌŶĞƌƐ
EŽnjnjůĞƐĨŽƌŐĂƐͲƌŝĐŚďƵƌŶĞƌƐ
11V
68A
120V
9-1/8" (232 mm)
"68A"
"120V" mark
"11V" mark
