Air Conditioning: Overview

Air Conditioning

OVERVIEW
The A/C (air conditioning) system transfers heat from the cabin to the outside atmosphere to provide the heater assembly with dehumidified cool air.
The A/C (air conditioning) system is a sealed closed loop system, filled with a charge weight of R134a refrigerant as the heat transfer medium. The refrigerant charge weight for both the GTDi and the DW12C vehicles is 650g. Oil is added to the refrigerant to lubricate the internal components of the A/C (air conditioning) compressor.
Despite the different units, the A/C (air conditioning) compressors fitted to both the GTDi petrol engine and the DW12C diesel engine are both variable displacement units. The displacement (flow of refrigerant) is controlled to match the thermal load of the evaporator.
The operation of the A/C (air conditioning) system is controlled by the ATC (automatic temperature control)
For additional information, refer to Control Components Control Components