ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
3.2
System overview – refrigerant circuit,
with heat pump
3.2.1
System overview - refrigerant circuit
3. Refrigerant circuit
17
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - Gas cooler
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing gas
cooler
2 - Refrigerant shut-off valve
1 -N696-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing refrig‐
erant shut-off valve 1
N696
3 - Incorporation into coolant
circuit for high-voltage battery
❑ ⇒ Electric drive mo‐
tor; Rep. gr. 19; Cool‐
ing system/coolant;
Connection diagram -
coolant hoses
4 - High-voltage battery heat
exchanger
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing heat
exchanger for high-volt‐
age battery
5 - Service connection (low-
pressure side)
❑ ⇒ Rep. gr. 87; Re‐
moving and installing
evacuating and charg‐
ing valve (low-pres‐
sure and high-pressure
sides)
6 - Service connection (high-
pressure side)
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing evac‐
uating and charging
valve (low-pressure and high-pressure sides)
7 - Refrigerant expansion valve 2 -N637-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant expansion valve 2 N637
8 - Refrigerant expansion valve 3 -N638-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant expansion valve 3 N638
9 - Refrigerant pressure and temperature sender 4 -G828-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender 4 G828
10 - Heat condenser
❑ ⇒ Rep. gr. 87; Removing and installing heat condenser
11 - Refrigerant expansion valve 1 -N636-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant expansion valve 1 N636
12 - Evaporator
❑ ⇒ Rep. gr. 87; Removing and installing evaporator
13 - Refrigerant shut-off valve 4 -N642-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 4 N642
14 - Refrigerant pressure and temperature sender 2 -G826-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender 2 G826
18
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
15 - Refrigerant shut-off valve 3 -N641-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 3 N641
16 - Dryer with internal heat exchanger
❑ ⇒ Rep. gr. 87; Removing and installing dryer
17 - Refrigerant pressure and temperature sender 5 -G829-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender 5 G829
18 - Air conditioner compressor -VX81-
❑ ⇒ Rep. gr. 87; Removing and installing air conditioner compressor VX81
19 - Refrigerant pressure and temperature sender -G395-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender G395
20 - Refrigerant shut-off valve 2 -N640-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 2 N640
21 - Refrigerant shut-off valve 5 -N643-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 5 N643
22 - Refrigerant pressure and temperature sender 3 -G827-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender 3 G827
3.3
Assembly overview – refrigerant lines,
R1234yf
3.3.1
Exploded view - refrigerant lines
3. Refrigerant circuit
19
2024 VW ID.4 Owner's Manual
