62
1.4
FUNCTIONAL DIAGRAM (fig. 2)
Fig. 2
KEY
1 Fan
2 Primary exchanger
3 Combustion chamber
4 C.H. sensor (SM1/SM2)
5 Expansion vessel
6 D.H.W. storage tank 60 litre
7 7 BAR D.H.W. safety valve
8 Magnesium anode
9 Water pressure valve
10 By-pass
11 D.H.W. sensor (SB)
12 3 BAR safety valve
13 Gas valve
14 Circulator with air release vent
15 Deviator valve
16 D.H.W. expansion vessel 2,5 litre
17 D.H.W. drain cock
18 Gas cock (optional)
19 C.H. return cock (optional)
20 C.H. flow cock (optional)
21 D.H.W. cock (optional)
22 Connection plate (optional)
CONNECTIONS
U D.H.W. outlet
E D.H.W. inlet
G Gas connection
M C.H. flow
R C.H. return
C Re-circulation
Summary of Contents for FORMAT DGT 25/55
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