IT
ES
1.4
FUNCTIONAL DIAGRAM
PT
GB
70
KEY
1 Post-condenser
2 Smoke stat
3 Fan
4 Main exchanger
5 C.H. sensor (SM)
6 Aqua Guard Filter System
7 100°C safety stat
8 Thermometer probe
9 Gas valve
10 D.H.W. exchanger
11 Flowmeter
12 Diverter valve with charging
13 Automatic by-pass
14 Circulation pump
15 Automatic air vent
16 Expansion vessel
17 Condensation water trap
18 Safety valve
19 Heat water gauge
20 Boiler discharge
21 D.H.W. filter
22 Fixing jig
23 D.H.W. cock (optional)
24 Gas cock (optional)
25 C.H. flow cock (optional)
26 C.H. return cock (optional)
Fig. 2