Compressor Fitting HVAC: Description and Operation

Refrigerant Lines: Main Climate Control

The A/C manifold and tube is attached to the A/C compressor and sealed with O-ring seals and has the following features:
^ The upstream side contains low pressure refrigerant gas.
^ The downstream side contains high pressure refrigerant gas.
^ An integral and a replaceable high pressure A/C charge port valve are located on the downstream side.
^ The downstream side muffler also contains a fitting used to mount the A/C pressure cutoff switch. A long-travel Schrader-type valve stem core is installed in the fitting so that the A/C pressure cutoff switch can be removed without discharging the A/C system.