Refrigerant Pressure Sensor / Switch: Service and Repair
Differential Pressure Cut-off SwitchRemoval 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.