Audi Q7 e-tron quattro 4M - Page 81

81
1
2
G65
3
4
G826G395
V470
N641 N640
N643 N642
3
3
11
6
5
3
7
8
G827
10
9
N636 V424
System overview of the refrigerant circuit in heat pump mode
Key:
Refrigerant under low pressure
Refrigerant under high pressure
1 Liquid container with dryer
2 Coolant condenser
3 Non-return valve
4 Valve block
5 Internal heat exchanger
6 Low-pressure service connection
7 Heat exchanger for heat pump operation
8 Heat exchanger for hybrid battery (chiller)
9 Thermal expansion valve
10 Evaporator
11 High-pressure service connection (for heat pump operation
only)
G65 High-pressure sensor
G395 Refrigerant pressure and temperature sensor
G826 Refrigerant pressure and temperature sensor 2
G827 Refrigerant pressure and temperature sensor 3
N636 Refrigerant expansion valve 1
N640 Refrigerant shuto valve 2
N641 Refrigerant shuto valve 3
N642 Refrigerant shuto valve 4
N643 Refrigerant shuto valve 5
V424 Refrigerant shuto valve (opens only in cooling mode)
V470 Electrical AC compressor
649_017
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