4
L
EGEND
:
1.
Flue connector
2.
Air release valve
3.
Pump pressure switch
4.
Central Heating flow temperature probe
5.
Mixer
6.
Ignition and detection electrode
7.
Fan
8.
Silencer
9.
Central Heating return temperature probe
10. Condensate trap (tube)
11. Condensate trap
12. Safety valve (3 bar)
13. Domestic Hot Water temperature probe
14. Automatic by-pass
15. Secondary heat exchanger
16. Gas valve
17. Diverter valve
18. Domestic Hot Water flow switch
19. Drain valve
20. Circulation pump with automatic air release valve
21. Expansion vessel
22. Condensate collector
23. Combustion chamber inspection hatch
24. Main heat exchanger (aluminium)
1.2.
O
VERALL
V
IEW
9
8
1
2
5
7
11
10
12
13 14 15 16 17 18 19
20
22
24
21
6
3
4
23
27 MFFI
9
8
1
5
7
11
10
12
16
19
20
21
23
24
6
3
4
22
2
27 RFFI
F
IG
. 1.0
