Westen pulsar D - Page 28

28
926.323.1 - GB
INSTRUCTIONS FOR FITTERS
1.24 - 1.14
Figure 20
Legend:
1 Pump and air separator
2 Pressure gauge
3 Heating circuit extractable lter
4 Boiler lling tap
5 Check valve on automatic by-pass
6 Water pressure switch
7 Boiler drain tap
8 Safety valve
9 Gas valve
10 Gas train with injectors
11 Central heating NTC sensor
12 Ignition / ame detection electrode
13 Safety thermostat
14 Water-fumes exchanger
15 Fumes conveyor
16 Fumes thermostat
17 Burner
18 Expansion vessel
0809_0205 / CG_2083
Heating
delivery
Gas DHW
inlet
Heating
return