60
EN
5.5
Structure
18
19
3 4
5
6
2
1
7 8
10
20
21
8
23
22
11
13
14
15
9
16
17
12
20
26
24
23
25
1
Thermowell
2
System filling valve
3
Automatic bleed valve
4
Minimum-pressure water pres-
sure switch
5
Expansion vessel (VE)
6
Fitting for filling
7
Relief valve (VS)
8
System delivery pipe (M)
9
Heat recovery device water outlet
10
Smoke outlet fitting
11
System return (R)
12
Heat recovery device
13
Condensate outlet (SC)
14
Siphon
15
System discharge valve
16
Appliance support frame
17
Front panel
18
Control panel
19
Top panel
20
Holes for handling
21
Pressure gauge
22
System pump (PI)
23
Side panels
24
Burner (BR)
25
Flame viewing window
26
Cast iron body
Fig. 18
Burner
5
6
4
3
1
2
9
7
8
1
Data plate
2
Serial number and code plate
3
Electrode assembly
4
Fixing screw for turbulence propeller assembly
5
Electrodes fixing screw
6
Nozzle
7
Turbulence propeller assembly
8
Nose fixing screw
9
Nose
Fig. 19
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