High Pressure Cutout Switch Removal/Installation
Removal
-
Isolate the compressor from the system.
-
Front seat the discharge service valve by turning the valve fully clockwise.
-
Front seat the suction service valve by turning the valve fully clockwise. Turn the digital service valve one quarter turn to the right.
-
-
Recover the refrigerant from the compressor. Refer to (Recovering Refrigerant from System).
-
Disconnect the high pressure cutout switch wires from the control box.
-
Remove the high pressure cutout switch from the compressor flange.
Installation
-
Apply Locktite sealant to the threads of the switch.
-
Install switch in compressor flange.
-
Pressurize the compressor with refrigerant and check for leaks.
-
Evacuate the compressor. Refer to (Evacuation and Cleanup of Refrigeration System).
-
Route wires into the control box and connect to proper terminals.
-
Back seat the discharge service valve by turning the valve fully counter-clockwise.
-
Back seat the suction service valve by turning the valve fully counter-clockwise.
-
Turn the digital service valve one quarter turn to the left.
-
Perform a controller pretrip test to verify system operation.