Step1: Disconnect power supply and ensure the refrigeration unit is fully off.
Step2: Remove the old thermostat, labeling wires and noting capillary placement.
Step3: Install the new thermostat in the mounting bracket securely.
Step4: Route the sensing capillary to the original position without kinks.
Step5: Reconnect wiring to matching terminals as per configuration.
Step6: Restore power and test temperature cycling modes.
Step7: Damage insulated gloves and avoid damaging the capillary during handling.