42
Page
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
10-17. Freeze protection heaters
Part#
ͻഩϯϭϵϭϰϯͲϱϯϭ;<ϮϬϵͿ
ͻഩϯϭϵϭϰϯͲϱϯϮ;<ϮϭϬͿ͗/ŶĚŽŽƌ
ͻഩϯϭϵϭϰϯͲϱϯϯ;<ϮϭϭͿ͗KƵƚĚŽŽƌ
ͻഩϯϭϵϭϰϯͲϰϲϴ;<ϭϬϱͿ
ͻഩϯϭϵϭϰϯͲϱϯϱ;<ϮϭϳͿ
Unit Part#
#414
#415
#417
#464
Function
WƌĞǀĞŶƚƐƚŚĞŚĞĂƚĞdžĐŚĂŶŐĞƌ͕ǁĂƚĞƌǀĂůǀĞƐ͕ĂŶĚǁĂƚĞƌƉŝƉĞƐǁŝƚŚŝŶƚŚĞǁĂƚĞƌ
ŚĞĂƚĞƌ ĨƌŽŵ ĨƌĞĞnjŝŶŐ͘ dŚĞ ŚĞĂƚĞƌƐ ĂƌĞ ďƵƚ ŽŶĞ ŽĨ ƚŚĞ ĨƌĞĞnjĞ ƉƌŽƚĞĐƚŝŽŶ
devices in the water heater.
Failure events
KƉĞŶĐŝƌĐƵŝƚĨĂŝůƵƌĞ͗ĞƌĂŵŝĐŚĞĂƚĞƌƐĚŽŶŽƚƌĞĐĞŝǀĞƚŚĞǀŽůƚĂŐĞŶĞĞĚĞĚƚŽ
heat up.
Effects on the water heater
if heater fails
Ceramic heaters do not activate, allowing water contained in the heat
ĞdžĐŚĂŶŐĞƌƚŽĨƌĞĞnjĞƵƉ͕ƉŽƐƐŝďůLJĐĂƵƐŝŶŐƚŚĞŚĞĂƚĞdžĐŚĂŶŐĞƌƚŽďƵƌƐƚ͘
Error codes when heater
fails
N/A
Diagnostic
ϭ͘sŝƐƵĂůŝŶƐƉĞĐƚŝŽŶ͗ĐŽŶŶĞĐƚŝŽŶͬďƌĞĂŬĂŐĞŽĨǁŝƌĞƐĂŶĚƚŚĞĐŽŶĚŝƚŝŽŶŽĨƚŚĞ
heaters.
Ϯ͘ŚĞĐŬ͗ǁŚĞƚŚĞƌƚŚŽƐĞĂƌĞŝŶƚŚĞŶŽƌŵĂůƌĂŶŐĞĂƐƐŚŽǁŶŝŶƚŚĞĨŽůůŽǁŝŶŐ
table.
Color / Number of wires
Black - Black
108 to 132 VAC
;ĚƵƌŝŶŐĨƌĞĞnjĞƉƌŽƚĞĐƚŝŽŶŽƉĞƌĂƚŝŽŶͿ
Checkpoint
B1
The water heater has two types of the heaters in it. The one is for protecting of the heat
exchanger and water pipes, the other one is for protecting of the water inlet and water outlet.
For the water inlet
and outlet
WĂƌƚηϯϭϵϭϰϯͲϰϲϴ;<ϭϬϱͿ
&ŽƌƚŚĞŚĞĂƚĞdžĐŚĂŶŐĞƌ
WĂƌƚηϯϭϵϭϰϯͲϱϯϭ;<ϮϬϵͿ
WĂƌƚηϯϭϵϭϰϯͲϱϱϱ;<ϮϭϳͿ
Flat heater
&ŽƌƚŚĞƐĞĐŽŶĚĂƌLJŚĞĂƚĞdžĐŚĂŶŐĞƌ
WĂƌƚηϯϭϵϭϰϯͲϱϯϮ;<ϮϭϬͿ͗/ŶĚŽŽƌŵŽĚĞůƐ
ϯϭϵϭϰϯͲϱϯϯ;<ϮϭϭͿ͗KƵƚĚŽŽƌŵŽĚĞůƐ