EN
1.4
Structure
1
2
3
4
5
6
7
8
9
10
11
12
13
Heat exchanger bleed point
1
Heat exchanger
2
Combustion chamber door
3
Oversleeve
4
5
Flame viewing window
Ignition/detection electrode
6
Heat safety thermostat
7
Delivery sensor
8
Fan
9
Condensate siphon
10
Diverter valve
11
System filling unit
12
13
Control panel
Gas valve
14
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26
25
24
14
23
22
21
20
19
18
15
System relief valve
15
Boiler drain
16
System pump
17
Water pressure transducer
18
19
Automatic bleed valve
Air-gas mixer
20
Expansion vessel
21
Air inlet pipe
22
Air-smoke chamber
23
Smoke probe
24
Air inlet
25
Smoke outlet
26
19
17
16
Fig. 2
61