Riello 876 T, Installation, Use And Maintenance Instructions

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1 20168415 GB
Contents
1 Declarations................................................................................................................................................................................ 3
2 Information and general warnings............................................................................................................................................ 5
2.1 Information about the instruction manual .................................................................................................................... 5
2.1.1 Introduction.................................................................................................................................................................. 5
2.1.2 General dangers.......................................................................................................................................................... 5
2.1.3 Other symbols ............................................................................................................................................................. 5
2.1.4 Delivery of the system and the instruction manual...................................................................................................... 6
2.2 Guarantee and responsibility....................................................................................................................................... 6
3 Safety and prevention................................................................................................................................................................ 7
3.1 Introduction.................................................................................................................................................................. 7
3.2 Personnel training ....................................................................................................................................................... 7
4 Technical description of the burner ......................................................................................................................................... 8
4.1 Burner designation ...................................................................................................................................................... 8
4.2 Models available.......................................................................................................................................................... 8
4.3 Burner categories ........................................................................................................................................................ 9
4.4 Technical data ............................................................................................................................................................. 9
4.5 Electrical data.............................................................................................................................................................. 9
4.6 Maximum dimensions................................................................................................................................................ 10
4.7 Firing rates ................................................................................................................................................................ 11
4.8 Test boiler.................................................................................................................................................................. 12
4.9 Burner equipment...................................................................................................................................................... 12
4.10 Burner description ..................................................................................................................................................... 13
4.11 Electrical panel description........................................................................................................................................ 14
4.12 Control box RFGO-A22 ............................................................................................................................................. 15
4.13 Servomotor (SQN90...).............................................................................................................................................. 16
5 Installation ................................................................................................................................................................................ 17
5.1 Notes on safety for the installation ............................................................................................................................ 17
5.2 Handling .................................................................................................................................................................... 17
5.3 Preliminary checks .................................................................................................................................................... 17
5.4 Operating position ..................................................................................................................................................... 18
5.5 Preparing the boiler ................................................................................................................................................... 18
5.5.1 Boring the boiler plate ............................................................................................................................................... 18
5.5.2 Blast tube length........................................................................................................................................................ 18
5.5.3 Securing the burner to the boiler ............................................................................................................................... 18
5.6 Access to head internal part...................................................................................................................................... 19
5.7 Positioning the probe - electrode............................................................................................................................... 19
5.8 Combustion head adjustment.................................................................................................................................... 20
5.9 Gas supply ................................................................................................................................................................ 21
5.9.1 Gas feeding line ........................................................................................................................................................ 21
5.9.2 Gas train.................................................................................................................................................................... 22
5.9.3 Gas train installation.................................................................................................................................................. 22
5.9.4 Gas pressure............................................................................................................................................................. 22
5.10 Electrical connections................................................................................................................................................ 24
5.10.1 Supply cables and external connections passage .................................................................................................... 25
5.11 Motor rotation ............................................................................................................................................................ 25
6 Start-up, calibration and operation of the burner ................................................................................................................. 26
6.1 Notes on safety for the first start-up .......................................................................................................................... 26
6.2 Adjustments prior to ignition ...................................................................................................................................... 26
6.3 Servomotor adjustment ............................................................................................................................................. 26
6.4 Burner start-up .......................................................................................................................................................... 27
6.5 Adjusting the burner .................................................................................................................................................. 27
6.5.1 Ignition output............................................................................................................................................................ 27
6.5.2 Ignition output (minimum).......................................................................................................................................... 27
6.5.3 Maximum output........................................................................................................................................................ 28
6.5.4 Intermediate outputs.................................................................................................................................................. 28
6.6 Final adjustment of the pressure switches ................................................................................................................ 29