Description And Operation: Overview
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The A/C (air conditioning) system is a sealed, closed loop system filled with a charge weight of refrigerant as the heat transfer medium. Depending on market, the refrigerant is either R1234yf or R134a. Oil is added to the refrigerant to lubricate the internal components of the A/C compressor. The system consists of:
- An A/C compressor
- A condenser
- A receiver drier
- A thermostatic expansion valve
- An evaporator
- Low and high pressure refrigerant lines.
A pressure sensor in the high pressure refrigerant line allows the ATC (automatic temperature control) module to monitor the status of the A/C system.
For additional information, refer to: CONTROL COMPONENTS .