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REFRIGERATION SYSTEM ATC-17 C D E F G H I K L M A B ATC REFRIGERATION SYSTEM PFP:KA990 Refrigerant Cycle EJS00077 REFRIGERANT FLOW The refrigerant flows in the standard pattern, that is, through the compressor, the condenser with liquid tank, FREEZE PROTECTION Under usual operating conditions, when the A/C is switched on, the compressor runs continuously, and the Refrigerant System Protection EJS001Y3 REFRIGERANT PRESSURE SENSOR The refrigerant system is protected against excessively high or low pressures by the refrigerant pressure sen- 2 , 398 psi), or below about 134 kPa (1.4 kg/cm 2 , 20 psi). PRESSURE RELIEF VALVE The refrigerant system is also protected by a pressure relief valve, located in the rear head of the compressor. 2 , 540 psi)], the release port on the pressure relief valve automatically opens and releases refrigerant into the RJIA0849E |