6.4
Burner adjustment......................................................................................................................................................31
6.4.1
Firing output ...............................................................................................................................................................31
6.4.2
Maximum output ........................................................................................................................................................31
6.4.3
Minimum output .........................................................................................................................................................31
6.5
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
6.9
Stopping of the burner ...............................................................................................................................................34
6.10
6.11
6.11.1
7
Maintenance ..............................................................................................................................................................................36
7.1
7.2
Maintenance programme ...........................................................................................................................................36
7.2.1
Maintenance frequency..............................................................................................................................................36
7.2.2
7.2.3
Checking and cleaning...............................................................................................................................................36
7.2.4
Measuring the ionisation current ................................................................................................................................37
7.2.5
7.2.6
Safety components ....................................................................................................................................................37
7.3
Opening the burner ....................................................................................................................................................38
7.4
Closing the burner......................................................................................................................................................38
Appendix - Accessories ...........................................................................................................................................................39
Appendix - Electrical panel layout...........................................................................................................................................41
20156417
Contents
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GB