0020297933_07 Installation and maintenance instructions
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Appendix
A
Functional diagram
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11
1
Temperature sensor at the air inlet
2
Filter
3
Electronic expansion valve
4
Pressure sensor
5
Maintenance connection in the low-pressure area
6
Temperature sensor upstream of the compressor
7
4-port diverter valve
8
Temperature sensor on the compressor
9
Maintenance connection in the high-pressure area
10
Pressure sensor
11
Pressure switch
12
Heating pump
13
Temperature sensor on the heating flow
14
Automatic air vent in the heating circuit
15
Pressure sensor in the heating circuit
16
Connection for heating return
17
Connection for heating flow
18
Flow rate sensor
19
Temperature sensor on the heating return
20
Condenser
21
Temperature sensor downstream of the condenser
22
Temperature sensor downstream of the compressor
23
Compressor
24
Refrigerant separator
25
Refrigerant buffer
26
Filter/dryer
27
Temperature sensor at the evaporator
28
Evaporator
29
Fan