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Home >> Volkswagen >> 1987 >> Quantum Base, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> A/C-Heater System - Manual >> Description
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A/C-Heater System - Manual: Description

The Quantum integrated A/C-heater system is a cycling clutch type. The compressor is cycled off and on by a thermostatic switch to maintain a constant cooling rate. The condenser/radiator cooling fan operates whenever air conditioning is operating.

System components include an evaporator assembly, condenser, expansion valve, control panel, vacuum motor unit, vacuum switch, high and low pressure switches, radiator fan and heater core.

The control panel includes a control lever, a rotary fan switch, and 4 push button controls controlling airflow, air distribution, and heater and A/C operation. The fan switch controls 4 fan speeds.