9
Construction
Layout of boiler
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
23
24
B
A
D
C
25
26
28
29
30
22
21
20
27
Layout of boiler
The TRIGON XXL boiler consists of the
following main components:
1 Top plate
2 Water ow switch
3 Flow water connection
4 Filling/draining valve
5 Burner
6 1st Heat exchanger
7 2nd Heat exchanger
8 Gastrain
9 Pilot mixing channel
10 Frame
11 Main gas valve
12 Pilot gas valve
13 Main mixing channel
14 Buttery valve
15 Air inlet box
16 Casing
17 Control panel
18 Electrical box
19 Fan
20 Pressure sensor
21 Flue gas temperature sensor (on
condense tray)
22 Flow and Return temperature
sensors (on water pipes)
23 Compensator
24 Flue gas connection
25 Condensate receptacle
26 Combustion chamber
27 Return water connection
28 Entry electrical connections
29 Syphon
30 3rd Heat exchanger
(Only for Range 600 - 1200 kW)
A Air
B Gas
C Flue gasses
D Condensate