Table Of Contents - Riello 744T0K Installation, Use And Maintenance Instructions

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 Danger: live components ................................................................................................................................................ 3
1.2 Guarantee and responsibility .......................................................................................................................................... 4
1.3 Guidance for the use of bio fuel blends up to 10% where gas oil use is permitted by the appliance Manufacturer ....... 4
1.3.1 Information and general instructions............................................................................................................................... 5
1.3.2 Product Disclaimer Statement ........................................................................................................................................ 5
2 Safety and prevention................................................................................................................................................................ 6
2.1 Introduction ..................................................................................................................................................................... 6
2.2 Safety warnings .............................................................................................................................................................. 6
2.3 Basic safety rules............................................................................................................................................................ 6
2.4 Personnel training........................................................................................................................................................... 6
3 Technical description of the burner ......................................................................................................................................... 7
3.1 Technical data ................................................................................................................................................................ 7
3.2 Burner description........................................................................................................................................................... 7
3.3 Burner equipment ........................................................................................................................................................... 7
3.4 Burner dimensions.......................................................................................................................................................... 8
4 Installation .................................................................................................................................................................................. 9
4.1 Notes on safety for the installation.................................................................................................................................. 9
4.2 Handling.......................................................................................................................................................................... 9
4.3 Preliminary checks.......................................................................................................................................................... 9
4.4 Installer/Servicer notes for the use of Gas oil with Bio blends up to 10% where gas oil use is permitted by the
appliance Manufacturer ................................................................................................................................................ 10
4.5 Working position ........................................................................................................................................................... 10
4.6 Boiler fixing ................................................................................................................................................................... 11
4.7 Burner assembly........................................................................................................................................................... 11
5 Hydraulic systems.................................................................................................................................................................... 13
5.1 Fuel supply ................................................................................................................................................................... 13
5.1.1 Pump ............................................................................................................................................................................ 13
5.2 One pipe system........................................................................................................................................................... 14
5.2.1 Priming pump................................................................................................................................................................ 14
5.3 Two pipe system........................................................................................................................................................... 15
5.3.1 Priming pump................................................................................................................................................................ 15
6 Electrical system ...................................................................................................................................................................... 16
6.1 Notes on safety for the electrical wiring ........................................................................................................................ 16
6.1.1 Control box ................................................................................................................................................................... 16
6.2 Electrical wiring............................................................................................................................................................. 17
7 Start-up, calibration and operation of the burner ................................................................................................................. 18
7.1 Notes on safety for the first start-up.............................................................................................................................. 18
7.2 Combustion adjustment ................................................................................................................................................ 18
7.3 Nozzles installation ....................................................................................................................................................... 18
7.3.1 Nozzles recommended ................................................................................................................................................. 18
7.4 Pump pressure ............................................................................................................................................................. 19
7.5 Air damper adjustment.................................................................................................................................................. 19
7.5.1 Main air damper............................................................................................................................................................ 19
7.5.2 Secondary air damper .................................................................................................................................................. 19
7.6 Electrodes setting ......................................................................................................................................................... 19
7.7 Burner start-up cycle..................................................................................................................................................... 20
8 Maintenance.............................................................................................................................................................................. 21
Contents
1 GB
20074517