8
GB
1
2
3
4
5
6
21
10
11
12
13
14
15
16
17
18 19
20
7 8 9
P
P
22
6
21
22
MAIN COMPONENTS
KEY
1 Motor 2 Control panel 3 Display 4 Inspection hole 5
Air vent lid
6 Gas valve 7
Air servo-motor
8 Control unit 9 Contactor-motor relay 10 Flow nozzle 11 Burner flange 12 Sampling point air
13 Ring regulation 14
Air pressure switch
15 Flange insulation 16 Combustion head 17
Air vent
18 Ionisation electrode 19 Ignition electrode
20 Ignition transformer 21 Minimun gas pres
-
sure swtch 22 V
alve proving system
pressure switch P Hinge pins
M