Riello 20194153 Installation, Use And Maintenance Instructions page 4

5.6 Adjusting the burner ...................................................................................................................................................26
5.6.1 Ignition output ............................................................................................................................................................26
5.6.2 Output in 2nd stage....................................................................................................................................................26
5.6.3 Output in 1st stage .....................................................................................................................................................27
5.6.4 Air pressure switch.....................................................................................................................................................28
5.6.5 Minimum gas pressure switch....................................................................................................................................28
5.7 Operation sequence of the burner .............................................................................................................................29
5.7.1 Burner start-up ...........................................................................................................................................................29
5.7.2 Operation ...................................................................................................................................................................29
5.7.3 Ignition failure.............................................................................................................................................................29
5.7.4 Burner flame goes out during operation.....................................................................................................................30
5.8 Stopping of the burner ...............................................................................................................................................30
5.9 Final checks (with burner operating) ..........................................................................................................................30
5.9.1 Checking the air and gas pressure on the combustion head .....................................................................................30
6 Maintenance ..............................................................................................................................................................................31
6.1 Notes on safety for the maintenance .........................................................................................................................31
6.2 Maintenance programme ...........................................................................................................................................31
6.2.1 Maintenance frequency..............................................................................................................................................31
6.2.2 Safety test - with gas feeding closed .........................................................................................................................31
6.2.3 Checking and cleaning...............................................................................................................................................31
6.2.4 Combustion control (gas) ...........................................................................................................................................32
6.2.5 Safety components ....................................................................................................................................................32
6.3 Opening the burner ....................................................................................................................................................33
6.4 Closing the burner......................................................................................................................................................33
7 Faults - Possible causes - Solutions.......................................................................................................................................34
A Appendix - Accessories ...........................................................................................................................................................36
B Appendix - Electrical panel layout...........................................................................................................................................37
20194185
Contents
2 GB