ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
3
Refrigerant circuit
3.1
System overview – refrigerant circuit,
without heat pump
3.1.1
System overview - refrigerant circuit
3. Refrigerant circuit
15
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - Air conditioner compressor
-VX81-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing air
conditioner compressor
[VX81]
2 - Refrigerant pressure and
temperature sender -G395-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing re‐
frigerant pressure and
temperature sender
[G395]
3 - Service connection, low-
pressure side
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing evac‐
uating and charging
valves on low and high-
pressure side
4 - Evaporator
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing evap‐
orator
5 - Expansion valve
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing ex‐
pansion valve
6 - Refrigerant shut-off valve
for heater and air conditioner
unit -N541-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing refrig‐
erant shut-off valve for
heater and air condi‐
tioner unit [N541]
7 - Service connection, high-pressure side
❑ ⇒ Rep. gr. 87; Removing and installing evacuating and charging valves on low and high-pressure side
8 - Refrigerant expansion valve 1 -N636-
❑ Currently not available as a separate part
❑ ⇒ Rep. gr. 87; Removing and installing heat exchanger for high-voltage battery
9 - Incorporation in high-voltage battery coolant circuit
❑ ⇒ Electric drive motor; Rep. gr. 19; Cooling system/coolant; Connection diagram – coolant hoses
10 - Heat exchanger for high-voltage battery
❑ ⇒ Rep. gr. 87; Removing and installing heat exchanger for high-voltage battery
11 - Pressure sender for refrigerant circuit -G805-
❑ ⇒ Rep. gr. 87; Removing and installing pressure sender for refrigerant circuit [G805]
12 - Dryer with receiver
❑ ⇒ Rep. gr. 87; Removing and installing desiccant bag
13 - Condenser
❑ ⇒ Rep. gr. 87; Removing and installing condenser
16
Rep. gr.87 - Air conditioning system
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
2024 VW ID.4 Owner's Manual
