Appendix
0020297937_01 aroTHERM plus Installation and maintenance instructions
135
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, heating flow
3
Pressure sensor, in the heating circuit
4
Automatic air vent, in the heating circuit
5
Condenser (heat exchanger)
6
4-port diverter valve
7
Maintenance connection, in the high-pressure area
8
Temperature sensor, behind 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, on the compressor
13
Temperature sensor, in front 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 (heat exchanger)
19
Temperature sensor, air inlet
20
Temperature sensor, at the evaporator
21
Filter
22
Electronic expansion valve
23
Filter/dryer
24
Temperature sensor, behind the condenser
25
Temperature sensor, heating return
26
Flow rate sensor
