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Compressor HVAC: Description and Operation

Compressor assembly
The compressor assembly is the primary moving part of the air conditioning system. If it fails, there is no compression of refrigerant, and no movement of refrigerant through system. It is located on the left side of the engine and is connected to the engine crankshaft by a drive belt. It consists of the compressor, the manifold assembly, the compressor clutch, and the drive pulley.