Table Of Contents - Riello 908T4 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 Other symbols................................................................................................................................................................. 4
2.1.4 Delivery of the system and the instruction manual ......................................................................................................... 5
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 Models available ............................................................................................................................................................. 7
4.2 Burner categories - Countries of destination .................................................................................................................. 7
4.3 Burner equipment ........................................................................................................................................................... 7
4.4 Technical data ................................................................................................................................................................ 8
4.5 Electrical data ................................................................................................................................................................. 8
4.6 Maximum dimensions ..................................................................................................................................................... 9
4.7 Burner description......................................................................................................................................................... 10
4.8 Combustion head.......................................................................................................................................................... 10
4.9 Firing rates (version TC) ............................................................................................................................................... 11
4.10 Test boiler ..................................................................................................................................................................... 11
4.11 Delivered output (version TC)....................................................................................................................................... 12
4.12 Adjustment pilot ............................................................................................................................................................ 13
4.13 Burner controls (LME71... with PME71.901...) ............................................................................................................. 15
4.13.1 Indication of the diagnostic mode ................................................................................................................................. 20
5 Installation ................................................................................................................................................................................ 21
5.1 Notes on safety for the installation................................................................................................................................ 21
5.2 Handling........................................................................................................................................................................ 21
5.3 Preliminary checks........................................................................................................................................................ 21
5.4 Operating position......................................................................................................................................................... 22
5.5 Preparing the boiler ...................................................................................................................................................... 22
5.5.1 Boring the boiler plate................................................................................................................................................... 22
5.5.2 Head length .................................................................................................................................................................. 22
5.6 Fixing of the combustion head, electrodes assembly and the gas valve (version TC) ................................................. 23
5.7 Securing the burner to the boiler .................................................................................................................................. 24
5.8 Fuel supply ................................................................................................................................................................... 25
5.8.1 Air/gas mixer................................................................................................................................................................. 25
5.8.2 Gas train ....................................................................................................................................................................... 26
5.9 Electrical wiring............................................................................................................................................................. 27
5.9.1 Supply cables and external connections passage........................................................................................................ 27
5.9.2 Opening sequence of the fuse-holder........................................................................................................................... 28
6 Calibration and operation........................................................................................................................................................ 29
6.1 Operator panel with LCD AZL 21... display for control box LME 71... with PME 71.901... ........................................... 29
6.2 Operator panel with LCD display .................................................................................................................................. 30
6.3 Visualisation and programming modes......................................................................................................................... 31
6.3.1 Operation ...................................................................................................................................................................... 31
6.3.2 Displaying the operating position.................................................................................................................................. 32
6.3.3 Fault messages, display errors and information ........................................................................................................... 32
6.4 Info level ....................................................................................................................................................................... 33
6.4.1 Displaying the Info level................................................................................................................................................ 33
6.5 Displaying the Info values............................................................................................................................................. 34
6.5.1 Identification date.......................................................................................................................................................... 34
Contents
1 GB
20160576