77
IT
ES
PT
GB
7
1
6
24
2
3
4
18
15
8
28
9
19
20
16
13
14
27
12
22
26
21
17
23
5
25
11
8
28
10
14
G
R
M
C
U
E
1.4
FUNCTIONAL DIAGRAM
KEY
1 Fan (
“25/60 BF - 30/60 BF”
versions)
2 Water-gas
exchanger
3 Combustion
chamber
4 Gas valve
5 D.H.W. tank
6 Heating
sensor
7 Safety stat 100°C
8 Air vent valve
9 C.H. pump
10 D.H.W.
pump
11 Expansion
vessel
12 D.H.W. safety valve
13 Safety valve
14 Boiler drain
15 Water pressure switch
16 Automatic
by-pass
17 D.H.W. expansion vessel
18 Gas cock (optional)
19 C.H. return cock (optional)
20 C.H. flow cock (optional)
21 D.H.W.
cock
(optional)
22 D.H.W. drain cock
23 D.H.W. sensor (SB)
24 Limit stat 80°C
25 Magnesium anode
26 Fixing jig (optional)
27 Filling
cock
28 Non return valve
1.5
MAIN COMPONENTS
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
Fig. 3
KEY
1 Control panel
2 Gas
valve
3 C.H.
pump
4 Non return valve
5 Burner
6 Water pressure switch
7 Water-gas
exchanger
8 Limit stat 80°C
9 Fan
(
“BF”
version)
Smoke stat (
“OF”
version)
10 Smoke pressure switch (
“BF”
version)
Smoke chamber (
“OF”
version)
11 Expansion
vessel
12 D.H.W. storage tank
13 Safety stat 100 °C
14 Heating sensor (SM)
15 Air vent valve
16 D.H.W.
pump
17
16
15
14
12
13
11
1
2
3
4
5
6
7
8
9
10
FORMAT 25/60 OF
FORMAT 25/60 BF - 30/60 BF
Fig. 2
Summary of Contents for Format 25
Page 1: ...IT ES PT GB Format 25 60 30 60 CERTIFICAZIONE DEL SISTEMA DI QUALITA AZIENDALE ...
Page 48: ...48 IT ES PT GB ...
Page 50: ...50 IT ES PT GB ...
Page 74: ...74 IT ES PT GB ...
Page 99: ......