Riello DB 3 SE FGR Installation, Use And Maintenance Instructions page 32

1 Information and general warnings ............................................................................................................................................3
1.1 Information about the instruction manual .....................................................................................................................3
1.1.1 Introduction ..................................................................................................................................................................3
1.1.2 General dangers ..........................................................................................................................................................3
1.1.3 Other symbols..............................................................................................................................................................3
1.1.4 Delivery of the system and the instruction manual ......................................................................................................4
1.2 Guarantee and responsibility .......................................................................................................................................4
2 Safety and prevention ................................................................................................................................................................5
2.1 Introduction ..................................................................................................................................................................5
2.2 Personnel training ........................................................................................................................................................5
3 Technical description of the burner ..........................................................................................................................................6
3.1 Burner designation .......................................................................................................................................................6
3.2 Models available ..........................................................................................................................................................7
3.3 Burner categories - Countries of destination................................................................................................................7
3.4 Technical data..............................................................................................................................................................7
3.5 Electrical data ..............................................................................................................................................................7
3.6 Firing rate .....................................................................................................................................................................8
3.7 Test boiler ....................................................................................................................................................................8
3.8 Air side pressure drop (measured upstream of the damper with complete opening)...................................................9
3.9 Gas side pressure drop..............................................................................................................................................10
3.10 Maximum dimensions ................................................................................................................................................11
3.11 Flange dimensions .....................................................................................................................................................11
3.12 Description of burner components .............................................................................................................................12
3.13 Burner equipment ......................................................................................................................................................12
3.14 Servomotor (SQM48.4....) ..........................................................................................................................................13
4 Installation .................................................................................................................................................................................14
4.1 Notes on safety for the installation .............................................................................................................................14
4.2 Handling .....................................................................................................................................................................14
4.3 Preliminary checks .....................................................................................................................................................14
4.4 Operating position ......................................................................................................................................................15
4.5 Removing the shutter lockout pins .............................................................................................................................15
4.6 Lifting points...............................................................................................................................................................15
4.7 Preparing the boiler....................................................................................................................................................16
4.7.1 Boring the boiler plate ................................................................................................................................................16
4.7.2 Blast tube length ........................................................................................................................................................16
4.8 Boiler fixing ................................................................................................................................................................16
4.9 Gas feeding................................................................................................................................................................17
4.9.1 Gas feed connection to the burner.............................................................................................................................17
4.9.2 General gas supply layout (example) ........................................................................................................................17
4.10 FGR duct system .......................................................................................................................................................18
4.10.1 Gas train ....................................................................................................................................................................19
4.10.2 Gas train installation ..................................................................................................................................................19
4.10.3 Gas pressure .............................................................................................................................................................19
4.11 Electrical wiring ..........................................................................................................................................................20
4.11.1 Supply cables and external connections passage .....................................................................................................20
5 Start-up, calibration and operation of the burner ..................................................................................................................21
5.1 Notes on safety for the first start-up ...........................................................................................................................21
5.2 Combustion head adjustment ....................................................................................................................................21
5.3 Position of electrodes.................................................................................................................................................21
5.4 Adjustments prior to ignition.......................................................................................................................................22
5.5 Burner start-up ...........................................................................................................................................................22
5.6 Burner ignition ............................................................................................................................................................22
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