Vaillant geoTHERM Installation Instructions Manual page 123

Heat pump schematic - VWW
17.2 Appendix, Heat pump scheme VWW ..0/2
Key
1 Heating supply line
2 Heating circuit pressure sensor
3 High pressure sensor
4 High pressure switch
5 Compressor
6 Low pressure sensor
7 Low pressure switch
8 Heat source circuit pressure sensor
9 Evaporator
Installation instructions geoTHERM 0020051574_04
17 16
M
14
T5
13
12
T4
11
10
T8
15
1
T6
2
5
9
T3
8
10 Flow switch
11 Expansion valve
12 Filter drier
13 Condenser
14 heating circuit pump (to be fitted on-site)
15 Heating return line
16 3-way heating/cylinder charging diverter valve
(to be fitted on-site)
17 DHW return line
Appendix
T1
3
4
T2
6
7
17
123