PART III: OPERATION
39
1
.the first parameter will be “954”: the percentage of flame is shown on the right. By pr or - it is possible to scroll up/down the
parameter list.
2
Once the last parameter is accessed (143) by pressing
+
, the
End
message will blink.
3
Press
InFo
for more than three seconds or for more than three seconds orto return to the normal display.
For further nformation, see tha LMV2 related manual.
ADJUSTMENTS FOR GAS OPERATION
Air flow and gas adjustment
startup the burner by selecting GAS by means of the switch on the burner control panel
Adjust the air and gas flow rates, in according to the “air/gas ratio” curvepoints setting procedure on the LMV manual,. Check con-
tinuosly, the flue gas analisys, to avoid combustion with air excess.
Once the butterfly valve is completely opened, acting on the pressure stabiliser of the valves group, adjust the
gas flow rate in the
high flame stage
as to meet the values requested by the boiler/utilisation:
If necessary, change the combusiton head positionl.
The air and gas flow rate are now adjusted at the maximum power stage: go on with the point to point adjustement, as to reach the
minimum output
Adjust the pressure switches
MultiBloc MBE
Summary of Contents for HR92A
Page 45: ...PART III OPERATION 45 Fig 8...
Page 46: ...PART III OPERATION 46...
Page 57: ...Service manual AZL2x LMV2x 3x Burner Management System M12916CD Rev 3 4 03 2023...
Page 64: ...8 Parameters level heating engineer...
Page 106: ...50 ERROR CODE TABLE...
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