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6.5.2 Identification number .....................................................................................................................................................34
6.5.3 Burner identification.......................................................................................................................................................35
6.5.4 Number of resettable start-ups ......................................................................................................................................35
6.5.5 Total number of start-ups ..............................................................................................................................................36
6.5.6 End of the Info level.......................................................................................................................................................36
6.6
Service level ..................................................................................................................................................................37
6.6.1 Displaying the Service values .......................................................................................................................................38
6.7
Parameters level ...........................................................................................................................................................39
6.7.1 Entering the password...................................................................................................................................................40
6.7.2 Backup ..........................................................................................................................................................................41
6.7.3 Restore..........................................................................................................................................................................42
6.8
Parameter modes of operation ......................................................................................................................................44
6.8.1 Parameters without index, with direct display ...............................................................................................................44
6.8.2 Parameters without index, without direct display ..........................................................................................................45
6.8.3 Parameters with index, with or without direct display ....................................................................................................47
7
Start-up, calibration and operation of the burner ..................................................................................................................49
7.1
Notes on safety for the first start-up ..............................................................................................................................49
7.2
Adjustments prior to ignition ..........................................................................................................................................49
7.3
Fan adjustment..............................................................................................................................................................49
7.4
Pre-setting of the points P0 (ignition), P1 (minimum) and P2 (maximum).....................................................................49
7.5
Burner start-up ..............................................................................................................................................................50
7.5.1 First burner start-up (manual operation)........................................................................................................................50
7.5.2 Checking the modulating operation (automatic operation) ............................................................................................51
7.6
Combustion head ..........................................................................................................................................................52
7.7
Burner adjustment .........................................................................................................................................................52
7.7.1 Indicative calibration values ..........................................................................................................................................52
7.7.2 Emissions ......................................................................................................................................................................52
7.8
Switching off the burner.................................................................................................................................................53
7.9
Load controller inputs ....................................................................................................................................................53
7.10
Final checks (with burner operating) .............................................................................................................................53
8
Maintenance ..............................................................................................................................................................................54
8.1
Notes on safety for the maintenance.............................................................................................................................54
8.2
Maintenance programme ..............................................................................................................................................54
8.2.1 Maintenance frequency .................................................................................................................................................54
8.2.2 Safety test - with gas feeding closed.............................................................................................................................54
8.2.3 Checking and cleaning ..................................................................................................................................................54
8.2.4 Safety components........................................................................................................................................................55
8.3
Opening and closing the burner ....................................................................................................................................55
8.4
Recommended preventive maintenance programme ...................................................................................................56
9
Operation, indications, diagnostic ..........................................................................................................................................57
9.1
Control sequence in the event of a fault ........................................................................................................................57
9.2
List of error codes with operation using AZL21 Display ... ............................................................................................58
9.3
Resetting of burner control ............................................................................................................................................59
9.3.1 Diagnostics of the cause of the fault .............................................................................................................................59
9.3.2 Before starting with a new program module or when the program module is replaced.................................................60
9.4
Manual reset..................................................................................................................................................................61
9.4.1 Error during the reset process.......................................................................................................................................62
9.4.2 Reset .............................................................................................................................................................................62
10
List of parameters PME71.901... ..............................................................................................................................................63
Appendix - Accessories ...........................................................................................................................................................66
Appendix - Electrical panel layout...........................................................................................................................................67
20160576
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