84
Installation and maintenance instructions 0020297933_07
B
Safety devices
TI
PT
PT
PZHH
TCE
PT
TI
TI
TI
TI
TI
TI
T
FS
18
17
5
21
22
23
20
1
2
3
4
6
7
8
9
10
11
12
13
14
19
16
15
24
25
26
1
Heating pump
2
Temperature sensor on the heating flow
3
Pressure sensor in the heating circuit
4
Automatic air vent in the heating circuit
5
Condenser
6
4-port diverter valve
7
Maintenance connection in the high-pressure area
8
Temperature sensor downstream of the compressor
9
Pressure sensor in the high-pressure area
10
Pressure switch in the high-pressure area
11
Compressor with refrigerant separator
12
Temperature monitor at the compressor
13
Temperature sensor upstream of the compressor
14
Maintenance connection in the low-pressure area
15
Pressure sensor in the low-pressure area
16
Refrigerant buffer
17
Fan
18
Evaporator
19
Temperature sensor at the air inlet
20
Temperature sensor at the evaporator
21
Filter
22
Electronic expansion valve
23
Filter/dryer
24
Temperature sensor downstream of the condenser
25
Heating return temperature sensor
26
Flow rate sensor