EN
1.4
Structure
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Heat exchanger bleed point
1
Heat exchanger
2
Combustion chamber door
3
Oversleeve
4
Flame viewing window
5
Ignition/detection electrode
6
Return sensor (SR)
7
Heat safety thermostat
8
Delivery sensor
9
Fan
10
Condensate siphon
11
Diverter valve
12
System filling unit
13
Control panel
14
Gas valve
15
27
26
25
15
16
17
18
19
20
21
22
23
24
25
26
27
24
23
22
21
20
19
16
System relief valve
Boiler drain
System pump
Water pressure transducer
Automatic bleed valve
Air-gas mixer
Expansion vessel
Air inlet pipe
Air-smoke chamber
Smoke flue gas probe
Air inlet
Smoke outlet
18
17
Fig. 3
67