Refrigerant Pressure Sensor / Switch: Service and Repair

Differential Pressure Cut-off Switch

Removal And Installation

WARNING: The refrigeration system must be completely discharged before proceeding with this operation.

1. Disconnect the boot like wire connector at the cut-off switch.






2. Using a sender unit type socket remove the switch from the expansion valve.

To install, assure an adequate seal by using a small amount of thread sealing tape on the replacement switch and reverse the preceding steps.

Evacuate and charge the system.