Riello DB 2 LSE FGR Installation, Use And Maintenance Instructions page 39

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 Maximum dimensions.................................................................................................................................................. 8
3.7 Flange dimensions ...................................................................................................................................................... 8
3.8 Firing rate .................................................................................................................................................................... 9
3.9 Test boiler.................................................................................................................................................................... 9
3.10 Air side pressure drop (detected upline of the damper with complete opening) ....................................................... 10
3.11 Gas side pressure drops ........................................................................................................................................... 11
3.12 Description of burner components ............................................................................................................................ 12
3.13 Burner equipment...................................................................................................................................................... 12
3.14 Servomotor................................................................................................................................................................ 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 Preparing the boiler ................................................................................................................................................... 15
4.5.1 Boring the boiler plate ............................................................................................................................................... 15
4.5.2 Blast tube length........................................................................................................................................................ 15
4.6 Lifting points .............................................................................................................................................................. 16
4.7 Boiler fixing................................................................................................................................................................ 16
4.8 Access to head internal part...................................................................................................................................... 17
4.9 Nozzle installation ..................................................................................................................................................... 18
4.9.1 Recommended nozzles............................................................................................................................................. 18
4.10 Combustion head adjustment.................................................................................................................................... 19
4.11 Electrodes positioning ............................................................................................................................................... 19
4.12 FGR duct system....................................................................................................................................................... 20
4.13 Light oil supply........................................................................................................................................................... 21
4.13.1 Hydraulic oil burner layout......................................................................................................................................... 21
4.13.2 Priming pump (example) ........................................................................................................................................... 22
4.14 Gas feeding ............................................................................................................................................................... 23
4.14.1 Gas feed connection to the burner ............................................................................................................................ 23
4.14.2 General gas feeding diagram (example) ................................................................................................................... 23
4.14.3 Gas train.................................................................................................................................................................... 24
4.14.4 Gas train installation.................................................................................................................................................. 24
4.14.5 Gas pressure............................................................................................................................................................. 24
4.15 Electrical wiring ......................................................................................................................................................... 25
4.15.1 Supply cables and external connections passage .................................................................................................... 25
Contents
1 GB
20169116