2.3
Burner components
Key
Electrical control box base for electrical connections
1
Air box
2
Cover with handle
3
Photocell QRA2
4
Tie-rod for combustion head modulation
5
Air delivery adjustment cam
6
Servomotor
7
Air pipe attachment flange
8
Air pressure switch
9
10 Flame inspection window
2
Burner description
CHAPTER
20082848
11 Combustion head
12 Boiler attachment
13 Maximum oil pressure switch on return line
14 Eccentric
15 Safety valve in outlet VS
16 Safety valve in outlet VF
Safety valve on the return VR
17
18 Oil pressure gauge in outlet nozzle
19 Oil pressure gauge on the nozzle return
Fig. 2
5