3
1.4
HYDRAULIC CIRCUIT
KEY
1 Fan
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 thermostat
9 Air relief valve
10 Circulation pump
11 Expansion vessel
12 Safety valve
13 Drain plug
14 Manometer
15 Automatic by-pass
16 D.H.W. filter
17 C.H. return cock
18 C.H. flow cock
19 D.H.W. cock
20 Gas cock
21 Limit thermostat
Fig. 2
Summary of Contents for benchmark FRIENDLY FORMAT
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