Vaillant geoTHERM VWS Installation Instructions Manual page 8

2 Description of the appliance
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Fig. 2.5 Rear view
Key to Fig. 2.5
1 Return to domestic hot water cylinder
2 Heat source to the heat pump
3 Heat source from the heat pump
4 Transportation handles
5 Cable feedthrough for electrical connections
6 Heating return
7 Heating feed
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Assemblies
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Fig. 2.6 Front view, covers removed
Key to Fig. 2.6
1 Electrical connections
2 Controller PCB (under cover plate)
3 Contactor for electric auxiliary heating
4 Safety thermostat STL for the auxiliary heating
5 Electric auxiliary heating
6 Condenser
7 CH pump
8 Fill/drain valve for heating circuit
9 Data badge
10 Compressor
11 Condensate pan
12 Expansion Valve
13 Fill/drain valve for brine circuit
14 Brine pump
15 Evaporator
16 3-way valve
Installation instructions geoTHERM VWS 0020046310_01
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