Step1: Disconnect power to the heated cabinet or refrigeration unit before servicing.
Step2: Remove the control panel cover and locate the existing thermostat.
Step3: Label and disconnect all wiring terminals from the old thermostat.
Step4: Remove the mounting hardware and carefully take out the thermostat.
Step5: Install the new Thermostat in the same position and secure it firmly.
Step6: Reconnect the wires to the correct terminals.
Step7: Restore power, adjust the temperature setting, and verify proper operation.