44
44
1.5 MAIN COMPONENTS (fig. 3)
Fig. 3
KEY
1 Control panel
2 Gas valve
3 Burners
4 Combustion chamber
5 Smoke chamber
6 Smoke stat
7 C.H. sensor (SM)
8 Main exchanger
9
Ignition/detection electrode
10 Coupling protection
10
9
8
7
6
5
4
3
2
1
“25 - 30 OF” models
“25 - 30 - 35 BF/20 - 25 BFT” models
KEY
1 Control panel
2 Deviator valve
3 Combustion chamber
4 Fan
5 Combustion analysis intakes
6 Negative pressure intake
7 Positive pressure intake
8 Smoke pressure switch
9 C.H. sensor (SM)
10 Main exchanger
11 Ignition/detection electrode
12 Gas valve
13 Coupling protection
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