76
1.4
FUNCTIONAL DIAGRAM (fig. 2)
Fig. 2
KEY
1
Fan (
BF
model)
2
Primary exchanger
3
Combustion chamber
4
Gas valve
7
C.H. sensor (SM)
8
Safety thermostat
11
Circulator with air release vent
12
Expansion vessel
13
3 BAR safety valve
15
Water flow meter
16
Water pressure transducer
17
Automatic bypass
19
C.H. return cock (optional)
20 C.H. flow cock (optional)
21
D.H.W. cock (optional)
22 Gas cock (optional)
23 Connection plate (optional)
25 Motorised deviator valve
27
D.H.W. storage tank 55 litre
28 Boiler discharge
29 D.H.W. sensor (SB)
30 D.H.W. expansion vessel 2,5 litre
31
D.H.W. safety valve 7 BAR
32 Magnesium anode
CONNECTIONS
U D.H.W. outlet
E D.H.W. inlet
G Gas connection
M C.H. flow
R C.H. return
C Recirculation
Summary of Contents for MURELLE EV 25/55 BF
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