SUN M3 - M6
4 TECHNICAL CHARACTERISTICS AND
DATA
4.1 Dimensions
272
4.2 General view and main components
Key
1
Head adjustment screw
2
Transformer
3
Cover for combustion head
inspection
4
Plugs for electrical connection
5
Motor
6
Air pressure switch
7
Unit
9
Fan
10
Ignition electrode
11
Detection electrode
12
Combustion head
13
Gas pressure switch
14
Nozzle
15
Burner flange
16
Screw to secure burner to flange
17
Air lock adjustment screw
18
Gas valve
19
Air signal tube
EN
82
250
14
18
13
2
19
9
6
11
Cod. 3540G431 - 11/2007 (Rev. 00)
184
fig. 14
Burner head detail
Ø170
Ø140
15
16
17
3
1
4
7
5
10
12
fig. 15
43