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The service level shows all the information about flame intensity, actuators position, number and lock codes:
Parameter
Description
954
Flame intensity
121
% output, if set = automatic operation
922
Actuators position, 00=combustibile; 01= aria
161
Lock-outs number
701..725
Lock-outs History (see chapter 23 in the LMV2x manual)
1
.the first parameter will be "954": the percentage of flame is shown on the right. By pressinf + 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
39
PART III: OPERATION
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