75
1
11
8 7
9
10
24
23
2
3
4
5
22
17
20
21
19
6
12
13
14
15
16
18
U
E
G
M
R
1.4
FUNCTIONAL DIAGRAM
Fig. 2
KEY
1 Fan (vers.
“BF”
)
2 Water-gas exchanger
3 Combustion chamber
4 Gas valve
5 D.H.W. exchanger
6 Divertor valve with charging
7 NTC sensor
8 100°C safety stat
9 Air relief valve
10 Circulation pump
11 Expansion vessel
12 Safety valve
13 Boiler discharge
14 Water pressure switch
15 Thermomanometer
16 Automatic by-pass
17 D.H.W. filter
18 C.H. return cock (optional)
19 C.H. flow cock (optional)
20 D.H.W. cock (optional)
21 Gas cock (optional)
22 Fixing jig
23 Limit stat
24 C.H. water filter
1.5
MAIN COMPONENTS
Fig. 3
KEY
1 Control panel
2 Divertor valve
3 Gas valve with control box
4 D.H.W. exchager
5 Burner pressure inlet (vers.
“OF”
)
6 Combustion chamber
7 Water-gas exchager
8 Smoke chamber (vers.
“OF”
)
9 Smoke stat (vers.
“OF”
)
10 100°C safety stat
11 NTC sensor
12 Limit stat
13 Air relief valve
14 Circulating pump
15 Fan (vers.
“BF”
)
16 Smoke pressure switch (vers.
“BF”
)
17 C.H. water filter
FORMAT OF
FORMAT BF
vers. “30”
Summary of Contents for Murelle 25 BF
Page 24: ...Format C installation and servicing instructions...
Page 53: ...26...
