Service Manual

44
44
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
WARNING
Service Procedure XII:
Transformer Replacement
Transformer Replacement Procedure
1. Position main power switch to OFF.
2. Disconnect (unplug) water heater from 120
volt power source.
3. Unlatch and remove surround cover from top
of water heater.
4. Disconnect primary leads (black & white) and secondary leads (blue & yellow) from the transformer
(connections are different sizes to prevent interchanging).
5. Remove the 2 nuts (7/16 nut driver) holding the transformer in place and remove transformer from control
panel (see image below).
6. Install new transformer and secure in place with screws from Step 6.
7. Reconnect primary and secondary wires to transformer (leads are different sizes to prevent interchanging).
8. Restore 120 volt power supply to water heater and confirm proper operation following the lighting
instructions on the lighting instruction label or the lighting instruction located in the Installation and Operating
Instruction Manual.
9. Replace the surround cover on the top of the water heater.
blue & yellow
wire
black & white
wires