Riello DB 4 SE FGR Installation, Use And Maintenance Instructions page 37

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.................................................................................................................................................................... 9
3.8 Air side pressure drop (measured upstream of the damper with complete opening)................................................ 10
3.9 Gas side pressure drop ............................................................................................................................................. 11
3.10 Maximum dimensions................................................................................................................................................ 12
3.11 Flange dimensions .................................................................................................................................................... 12
3.12 Description of burner components ............................................................................................................................ 13
3.13 Burner equipment...................................................................................................................................................... 13
3.14 Servomotor (SQM48.4... and SQM45.2...) ................................................................................................................ 14
4 Installation ................................................................................................................................................................................ 15
4.1 Notes on safety for the installation ............................................................................................................................ 15
4.2 Handling .................................................................................................................................................................... 15
4.3 Preliminary checks .................................................................................................................................................... 15
4.4 Operating position ..................................................................................................................................................... 16
4.5 Preparing the boiler ................................................................................................................................................... 16
4.5.1 Boring the boiler plate ............................................................................................................................................... 16
4.5.2 Blast tube length........................................................................................................................................................ 16
4.6 Lifting points .............................................................................................................................................................. 17
4.7 Boiler fixing................................................................................................................................................................ 17
4.8 Access to head internal part...................................................................................................................................... 18
4.9 FGR duct system....................................................................................................................................................... 19
4.10 Gas feeding ............................................................................................................................................................... 20
4.10.1 Gas feed connection to the burner ............................................................................................................................ 20
4.10.2 General gas supply layout (example)........................................................................................................................ 20
4.10.3 Gas train.................................................................................................................................................................... 21
4.10.4 Gas train installation.................................................................................................................................................. 21
4.10.5 Gas pressure............................................................................................................................................................. 21
4.11 Electrical wiring ......................................................................................................................................................... 23
4.11.1 Supply cables and external connections passage .................................................................................................... 23
5 Start-up, calibration and operation of the burner ................................................................................................................. 24
5.1 Notes on safety for the first start-up .......................................................................................................................... 24
5.2 Combustion head adjustment.................................................................................................................................... 24
5.3 Probe-electrode position ........................................................................................................................................... 25
5.4 Adjustments prior to ignition ...................................................................................................................................... 25
5.5 Burner start-up .......................................................................................................................................................... 26
5.6 Burner ignition ........................................................................................................................................................... 26
Contents
1
GB 20169009