20041904
2
Contents
6.5.1 Air adjustment for maximum output ...........................................................................................................................28
6.5.2 Air/fuel adjustment and output modulation system ....................................................................................................28
6.6 Pressure switch adjustment.......................................................................................................................................29
6.6.1 Air pressure switch - check CO..................................................................................................................................29
6.6.2 Maximum gas pressure switch...................................................................................................................................29
6.6.3 Minimum gas pressure switch....................................................................................................................................29
7 Maintenance ..............................................................................................................................................................................30
7.1 Notes on safety for the maintenance .........................................................................................................................30
7.2 Maintenance programme...........................................................................................................................................30
7.2.1 Maintenance frequency..............................................................................................................................................30
7.2.2 Checking and cleaning...............................................................................................................................................30
7.3 Opening the burner....................................................................................................................................................31
7.4 Closing the burner......................................................................................................................................................31
8 Faults - Probable causes - Solutions......................................................................................................................................32
A Appendix - Accessories ...........................................................................................................................................................33
B Appendix - Electrical panel layout...........................................................................................................................................35