Table Of Contents - Riello RL 42 BLU Installation, Use And Maintenance Instructions

1 Declarations................................................................................................................................................................................ 3
2 Information and general warnings............................................................................................................................................ 4
2.1 Information about the instruction manual........................................................................................................................ 4
2.1.1 Introduction ..................................................................................................................................................................... 4
2.1.2 General dangers ............................................................................................................................................................. 4
2.1.3 Danger: live components ................................................................................................................................................ 4
2.2 Guarantee and responsibility .......................................................................................................................................... 5
3 Safety and prevention................................................................................................................................................................ 6
3.1 Introduction ..................................................................................................................................................................... 6
3.2 Personnel training........................................................................................................................................................... 6
4 Technical description of the burner ......................................................................................................................................... 7
4.1 Technical data ................................................................................................................................................................ 7
4.2 Electrical data ................................................................................................................................................................. 7
4.3 Models available ............................................................................................................................................................. 7
4.4 Overall dimensions ......................................................................................................................................................... 8
4.5 Firing rate........................................................................................................................................................................ 8
4.6 Test boiler ....................................................................................................................................................................... 9
4.6.1 Commercial boilers ......................................................................................................................................................... 9
4.7 Packaging - Weight......................................................................................................................................................... 9
4.8 Burner description......................................................................................................................................................... 10
4.9 Burner equipment ......................................................................................................................................................... 10
5 Installation ................................................................................................................................................................................ 11
5.1 Notes on safety for the installation................................................................................................................................ 11
5.2 Handling........................................................................................................................................................................ 11
5.3 Preliminary checks........................................................................................................................................................ 11
5.4 Operating position......................................................................................................................................................... 12
5.5 Preparing the boiler ...................................................................................................................................................... 12
5.5.1 Boring the boiler plate................................................................................................................................................... 12
5.6 Securing the burner to the boiler .................................................................................................................................. 13
5.7 Nozzle installation......................................................................................................................................................... 13
5.7.1 Choice of nozzle ........................................................................................................................................................... 13
5.7.2 Recommended nozzle .................................................................................................................................................. 13
5.7.3 Nozzle assembly........................................................................................................................................................... 14
5.8 Hydraulic system .......................................................................................................................................................... 15
5.8.1 Fuel supply ................................................................................................................................................................... 15
5.8.2 Double-pipe siphon-type systems................................................................................................................................. 15
5.8.3 Double-pipe suction-type systems ................................................................................................................................ 15
5.8.4 Single-pipe systems...................................................................................................................................................... 16
5.8.5 The loop circuit ............................................................................................................................................................. 16
5.8.6 Hydraulic connections................................................................................................................................................... 16
5.8.7 Pump ............................................................................................................................................................................ 17
5.8.8 Pump priming................................................................................................................................................................ 17
6 Start-up, calibration and operation of the burner ................................................................................................................. 18
6.1 Notes on safety for the first start-up.............................................................................................................................. 18
6.2 Adjustments before first firing ....................................................................................................................................... 18
6.2.1 Combustion head setting .............................................................................................................................................. 18
6.2.2 Pump adjustment.......................................................................................................................................................... 18
6.2.3 Fan gate adjustment ..................................................................................................................................................... 18
6.2.4 Servomotor ................................................................................................................................................................... 19
6.3 Burner calibration.......................................................................................................................................................... 19
6.3.1 Firing............................................................................................................................................................................. 19
6.3.2 Operation ...................................................................................................................................................................... 19
6.3.3 Combustion head.......................................................................................................................................................... 19
6.4 Burner operation ........................................................................................................................................................... 20
6.4.1 Burner starting .............................................................................................................................................................. 20
6.4.2 Steady state operation.................................................................................................................................................. 21
Contents
1 GB 20023224