91
Refrigerant expansion valve 1
N636
Cooling mode
The hot, gaseous refrigerant is not liquefied in the heat exchanger
like in heating mode, but rather in the large condenser in the front
end of the vehicle.
649_040
High-voltage heater
(PTC)
Z115
Evaporator
Heat exchanger in air conditioner
for cabin heating
Heat exchanger for
hybrid battery
(chiller)
Valve block
Electrical AC compressor
V470
Condenser upstream of
main radiator
Filling valve, service connection
Low-pressure side
Filling valve, service connection
High-pressure side
Refrigerant expansion valve 1
N636
High pressure sender
G65
Heat exchanger
for heat pump operation
Internal heat exchanger
Thermal
expansion valve
Coolant
temperature
sensor 1
G902
It is expanded via the expansion valve and evaporates in the air
conditioner's evaporator thereby cooling the cabin.
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