1.5
FUNCTIONAL DIAGRAM
1.5. 1
"SOLO 25-35" version (fig. 3)
1.5.2 "DUETTO 25-35" version (fig. 3/a)
KEY
1 Boiler body
2 Filling
3 Safety valve
4 Air relief valve
5 Expansion vessel
6 Gas-oil burner
7 C.H. pump high efficiency
8 Hydrometer
9 Boiler drainer cock
10 Water switch
KEY
1 Boiler body
2 Filling
3 Safety valve
4 Air relief valve
5 Expansion vessel
6 Gas-oil burner
7 C.H. pump high efficiency
8 Hydrometer
9 Boiler drainer cock
10 C.H. water switch
11 D.H.W. water switch
12 Instant tank
13 Control valve
14 Air vent valve
15 D.H.W. pump high efficiency
Fig. 3
Fig. 3/a
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