Riello 908T4 - Page 4

20160576
2
GB
Contents
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
A Appendix - Accessories ...........................................................................................................................................................66
B Appendix - Electrical panel layout...........................................................................................................................................67