Vaillant VIHSGB2S Istruzioni per gli Interventi Scaricare il pdf (Pagina 7)

Operating instructions ecoTEC plus 0020124810_FT1b

3 Equipment and functional

description

3.1 Design

Fig. 3.1 Functional components VUW

Key

1 Diaphragm expansion tank

2 Air intake pipe

3 Compact thermal module

4 Ignition electrode

5 Fan

6 Automatic air vent

7 Pressure gauge

8 High-efficiency pump

9 Priority switching valve with by-pass

10 Fan sensor (hot water)

11 Electronics box

12 Secondary heat exchanger

13 Gas fitting

14 Water pressure sensor

15 Integral condensation heat exchanger

16 Connection for the air/exhaust gas pipework

Fig. 3.2 Functional components VU

Key

1 Diaphragm expansion tank

2 Air intake pipe

3 Compact thermal module

4 Ignition electrode

5 Fan

6 Automatic air vent

7 Pressure gauge

8 High-efficiency pump

9 Priority switching valve with by-pass

10 Electronics box

11 Gas fitting

12 Water pressure sensor

13 Integral condensation heat exchanger

14 Connection for the air/exhaust gas pipework

Equipment and functional description 3

1 2 3 4 5 6 7 8 9 10 11 12 ... 35 36

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Vaillant VIHSGB2S Istruzioni per gli Interventi Pagina 7