4
1.5
INTERNAL VIEW
1.5.1 “MURELLE” model
KEY
1 Water pressure switch
2 D.H.W. sensor
3 D.H.W exchanger
4 Burner pressure inlet
5 Combustion chamber
6 85°C limit stat
7 Smoke capillary thermostat
8 Air relief valve
9 Water-gas exchanger
10 Heating flow sensor
11 100°C safety stat
12 Pilot burner
13 Gas valve
14 Circulation pump
15 Pressure switch valve
1.5.2 “MURELLE BF” model
KEY
1 Water pressure switch
2 D.H.W. sensor
3 D.H.W. exchanger
4 Blocking hinge
5 Pilot burner
6 Water-gas exchanger
7 85°C limit stat
8 Fan
9 Smoke pressure switch
10 Pressure intake (positive)
11 Pressure intake (negative)
12 100°C safety stat
13 Sealed chamber
14 Combustion chamber
15 Heating flow sensor
16 100°C safety stat (
“IONO”
versions)
17 Burner manifold
18 Gas valve
19 Circulation pump
20 Pressure switch valve
Fig. 3
Fig. 3/a
