Riello RS 160/E O2 BLU Installation, Use And Maintenance Instructions page 4

6.5 Final calibration of the pressure switches ..................................................................................................................32
6.5.1 Air pressure switch.....................................................................................................................................................32
6.5.2 Maximum gas pressure switch...................................................................................................................................32
6.5.3 Minimum gas pressure switch....................................................................................................................................33
6.5.4 PVP pressure switch kit .............................................................................................................................................33
6.6 Steady-state operation ...............................................................................................................................................33
6.7 Ignition failure.............................................................................................................................................................33
6.8 Burner flame goes out during operation.....................................................................................................................33
6.9 Stopping of the burner ...............................................................................................................................................34
6.10 Final checks (with burner operating) ..........................................................................................................................34
6.11 Description of O2 trim control (optional) ...................................................................................................................35
6.11.1 Operating principle of O2 trim control ........................................................................................................................35
7 Maintenance ..............................................................................................................................................................................36
7.1 Notes on safety for the maintenance .........................................................................................................................36
7.2 Maintenance programme ...........................................................................................................................................36
7.2.1 Maintenance frequency..............................................................................................................................................36
7.2.2 Safety test - with gas feeding closed .........................................................................................................................36
7.2.3 Checking and cleaning...............................................................................................................................................36
7.2.4 Measuring the ionisation current ................................................................................................................................37
7.2.5 Checking the air and gas pressure on the combustion head .....................................................................................37
7.2.6 Safety components ....................................................................................................................................................37
7.3 Opening the burner ....................................................................................................................................................38
7.4 Closing the burner......................................................................................................................................................38
A Appendix - Accessories ...........................................................................................................................................................39
B Appendix - Electrical panel layout...........................................................................................................................................41
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