RESIDENTIAL GAS AND ELECTRIC WATER HEATER
TROUBLESHOOTING and SERVICE HANDBOOK
RELIANCE Water Heater Company Technical Training Department
©2006 Ashland City, TN
32
Residential Electric – continued
Normal Sequence of Operation
C-2 Circuit – Standard on most single element
water heaters.
Single Element
Single Thermostat
Single High Limit
Operation from a cold tank of water.
WIRING DIAGRAM
Note: If used on a normally two element heater,
controls will be located behind the upper service
cover and the element behind the lower service
cover.
Power Enters
Hi
h Limi
L1
n
L
Through High Limit
L1 to T2 and L3 to L4
Thermostat
Post 1995
T2 Contacts
Open
C-
2 CIRCUIT
Power To Element
Element Heats Wate
Thermostat Satisfies
T2 Contacts Open
T2 Contacts Closed
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