1.5
FUNCTIONAL DIAGRAM
1.5. 1
"SOLO 25-35 BF TS / SOLO 35 BF TS PR" version
1.5.2 "DUETTO 25-35 BF TS / DUETTO 35 BF TS PR" version
64
KEY
1 Boiler body
2 Filling
3 Safety valve
4 Air relief valve
5 Expansion vessel
6 Gas-oil burner
7 System pump
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 System pump
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 Tank pump
Fig. 3
Fig. 3/a