Table Of Contents - Riello 444T50 Installation, Use And Maintenance Instructions

1 Declaration.................................................................................................................................................................................. 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
2.3 Guidance for the use of bio fuel blends up to 10% ......................................................................................................... 5
2.3.1 Information and general instructions............................................................................................................................... 6
2.3.2 Product Disclaimer Statement ........................................................................................................................................ 6
3 Safety and prevention................................................................................................................................................................ 7
3.1 Introduction ..................................................................................................................................................................... 7
3.2 Safety warnings .............................................................................................................................................................. 7
3.3 Basic safety rules............................................................................................................................................................ 7
3.4 Personnel training........................................................................................................................................................... 7
4 Technical description of the burner ......................................................................................................................................... 8
4.1 Technical data ................................................................................................................................................................ 8
4.2 Burner description........................................................................................................................................................... 8
4.3 Burner equipment ........................................................................................................................................................... 8
4.4 Burner dimensions.......................................................................................................................................................... 9
4.5 Firing rate........................................................................................................................................................................ 9
5 Installation ................................................................................................................................................................................ 10
5.1 Notes on safety for the installation................................................................................................................................ 10
5.2 Handling........................................................................................................................................................................ 10
5.3 Preliminary checks........................................................................................................................................................ 10
5.4 Installer/Servicer notes for the use of Gas oil with Bio blends up to 10%..................................................................... 11
5.5 Working position ........................................................................................................................................................... 11
5.6 Securing the burner to the boiler .................................................................................................................................. 12
6 Hydraulic systems.................................................................................................................................................................... 13
6.1 Fuel supply ................................................................................................................................................................... 13
6.1.1 Pump ............................................................................................................................................................................ 13
6.2 One pipe system........................................................................................................................................................... 14
6.2.1 Priming pump................................................................................................................................................................ 14
6.3 Two pipe system........................................................................................................................................................... 15
6.3.1 Priming pump................................................................................................................................................................ 15
7 Electrical system ...................................................................................................................................................................... 16
7.1 Notes on safety for the electrical wiring ........................................................................................................................ 16
7.2 Electrical wiring............................................................................................................................................................. 17
7.2.1 Control box ................................................................................................................................................................... 17
8 Start-up, calibration and operation of the burner ................................................................................................................. 18
8.1 Notes on safety for the first start-up.............................................................................................................................. 18
8.2 Combustion adjustment ................................................................................................................................................ 18
8.3 Nozzles installation ....................................................................................................................................................... 18
8.3.1 Nozzles reccomended .................................................................................................................................................. 19
8.4 Pump pressure ............................................................................................................................................................. 19
8.5 Combustion head adjustment ....................................................................................................................................... 19
8.6 Air damper adjustment.................................................................................................................................................. 20
8.7 Electrode setting ........................................................................................................................................................... 20
8.8 Burner start-up cycle..................................................................................................................................................... 20
Contents
1 GB
20032178