Vaillant geoTHERM SERIES Manuale di Installazione Scaricare il pdf (Pagina 87)

87Installation instructions geoTHERM VWS/VWW 0020057444_01

Heat pump schematic - VWW

Fig. 2, Appendix, Heat pump schematic - VWW

Key to Fig. 2, Appendix

1 Heating circuit pressure sensor

2 Electric auxiliary heating

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

10 Flow Switch

11 Expansion Valve

12 Condenser

13 Filter drier

14 DHW return line

15 Heating return

16 Heating feed

Appendix

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Vaillant geoTHERM SERIES Manuale di Installazione Pagina 87