4
DHW
MCW
GAS
FLOW RETURN
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
7 NTC sensor
8 100°C safety thermostat
9 C.H. water filter
10 Air relief valve
11 Circulation pump
12 Expansion vessel
13 Safety valve
14 Drain plug
15 Water flow switch
16 Temperature and pressure gauge
17 Automatic by-pass
18 D.H.W. filter
Fig. 2
6
12
11
10
9
8
7
5
4
3
2
1
13
14
19
1.5
INTERNAL VIEW
KEY
1 Control panel
2 Ignition transformer
3 Combustion chamber
4 Fan
5 Combustion analysis intakes
6 Negative pressure intake
7 Positive pressure intake
8 Air pressure switch
9 C.H. sensor (SM)
10 Main exchanger
11 100°C safety stata
12 Gas valve
13 Flow water switch
14 Divertor valve
19 C.H. water filter
Fig. 3
Summary of Contents for FORMAT 34E BF
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