Riello DB 3 LSM C13 Installation, Use And Maintenance Instructions page 33

Dual fuel light oil/gas burner
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CHAPTER
CHAPTER
CHAPTER
CHAPTER
CHAPTER
CHAPTER
CHAPTER
CHAPTER
2
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
Selection code description . . . . . . . . . . . . . . . . . . . . . . 3
Specification of the burner type and coding . . . . . . . . . . . . . 3
2
Burner description. . . . . . . . . . . . . . . . . . . . . 4
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Firing rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Burner components . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Overall dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 6
Air side pressure drop . . . . . . . . . . . . . . . . . . . . . . . . 7
Gas side pressure drop . . . . . . . . . . . . . . . . . . . . . . . . 8
3
Installation. . . . . . . . . . . . . . . . . . . . . . . . . 9
Fixing to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Accessibility to the interior of the combustion head . . . . . . . . 10
Position of electrodes . . . . . . . . . . . . . . . . . . . . . . . . 11
4
Fuel supply . . . . . . . . . . . . . . . . . . . . . . . .12
Pressure regulator. . . . . . . . . . . . . . . . . . . . . . . . . . 12
General gas supply layout (example). . . . . . . . . . . . . . . . 13
5
Preparation for start up . . . . . . . . . . . . . . . . . .14
Combustion head adjustment . . . . . . . . . . . . . . . . . . . . 14
Servomotor adjustment (SQM 10) . . . . . . . . . . . . . . . . . 15
Servomotor adjustment (SQM 40) . . . . . . . . . . . . . . . . . 16
Wiring diagrams SQM 40 - control box . . . . . . . . . . . . . . 17
Pressure switches adjustment. . . . . . . . . . . . . . . . . . . . 18
Nozzle installation . . . . . . . . . . . . . . . . . . . . . . . . . 19
6
Burner start up and adjustment . . . . . . . . . . . . . .21
Air/fuel adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 21
Pressure switches setting . . . . . . . . . . . . . . . . . . . . . . 22
Final checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7
Maintenance . . . . . . . . . . . . . . . . . . . . . . . .23
Checking the flame detector . . . . . . . . . . . . . . . . . . . . 23
Periodic checks . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Problems and remedies . . . . . . . . . . . . . . . . . . . . . . . 25
8
Wiring diagrams . . . . . . . . . . . . . . . . . . . . .28
Index

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Db 4 lsm c132014736420101590

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