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
Heat safety thermostat
7
delivery sensor
8
Fan
9
condensate siphon
10
diverter valve
11
System filling unit
12
domestic hot water sensor
13
control panel
14
domestic hot water heat exchanger
15
29
28
27
15
16
16
17
18
19
20
21
22
23
24
25
26
27
28
29
26
25
24
23
22
21
18
17
Gas valve
domestic hot water filter
System relief valve
Boiler drain
System pump
Water pressure switch
Automatic bleed valve
Air-gas mixer
Expansion vessel
Air inlet pipe
Air-smoke chamber
Smoke flue gas probe
Air inlet
Smoke outlet
22
20
19
Fig. 2
57