TIAGO EV-SERVICE MANUAL

CHILLER UNIT 13. The chiller unit is heat exchanger and it is used to cool the coolant which is used for battery cooling. Chiller consist of plate type heat exchanger, Thermostatic Expansion vale (TXV) with inbuilt solenoid valve. After condenser, liquid refrigerant flows through TXV and refrigerant temperature drops. Low temperature refrigerant enters from chiller inlet (refrigerant channel) and come out from chiller outlet. Similarly high temperature coolant comes from battery and enters in the chiller (coolant channel). It gets cool inside chiller and low temperature coolant comes out from chiller. ON / OFF type inbuilt solenoid valve used to control refrigerant flow through the chiller. FATC 26

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