Air Conditioner, Starting after Charging

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NOTE:

If the compressor has been removed, rotate it about 10 times by hand prior to initial start-up to prevent damage caused by liquid impact when first switched on (any oil in compressor cylinder is forced out on rotation).

Fig 1: A/C Service Station

GW00004042

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Start engine with compressor switched off (version with A/C clutch).

Set compressor to minimum output, i.e. "Econ" or A/C off mode (version with no A/C clutch with regulator valve).

Wait until idling speed has stabilized.

Switch on compressor and operate system for at least 2 minutes at idling speed.

If necessary, check pressures in refrigerant circuit using A/C service station.

Switch off engine.

Screw out handwheel on quick-release coupling adapter.

Disconnect charging hoses from refrigerant circuit.

Screw protective caps back on.