To protect yourself from harm, follow the steps below
before wiring the module:
• Turn off the electrical power supply by unplugging the
power cord or by turning off the electricity at the circuit
breaker. The temperature controller does not control the
electrical power.
• The steps in this section must conform with local codes
and the guidelines established by the National Electrical
Code (NEC).
WARNING
Unplug the water heater power cord.
Note: Pressing the ON/OFF button on the
controller does not power off the water heater.
Remove the water heater front panel by removing
the 4 screws that secure the panel.
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