10
BOILER SPECIFICATION
Functional Diagram
(THERMOcompact)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
Air duct
2
Fan
3
Main heat exchanger
4
Temperature sensor (NTC I)
5
Flame sensing electrodes
6
Modulating burner
7
Fully modulating automatic gas
value
8
This control has no function on
this boiler
9
Maximum radiator temperature
control
10
Automatic bypass valve
11
CH flow service valve
12
Gas service valve
13
CH return service valve
14
Pressure relief valve
15
Main on/off control
16
Pressure gauge
17
Display
18
Expansion vessel
19
Expansion vessel charging valve
20
Circulating pump
21
Automatic air vent
22
Ignition electrode
23
Temperature sensor (NTC II)
24
Air pressure switch
25
Flue gas duct
Fig. B.4: Functional Diagram THERMOcompact
Euro B/S_VC_079/0
THERMOcompact