Step1: Disconnect power to the cooler and verify the unit is de-energized before servicing.
Step2: Remove the control panel and note the wiring connections on the existing thermostat.
Step3: Disconnect the wires and carefully remove the sensing bulb and capillary tube from their mounting clips.
Step4: Install the new control, routing the capillary tube without kinks or sharp bends.
Step5: Secure the sensing bulb in its original location and reconnect the wiring.
Step6: Reassemble the panel, restore power, and test temperature regulation for proper operation.