Settings For Gas-Fired Operation; Activating Program Stops In Different Program Phases; Checking And Presetting The Actuators Positions For Gas Ignition; Manual Startup - Siemens LMV51 Series Basic Documentation

10. Activating program
stops in different
program phases
Menu level 1 Menu level 2
Params & Display
RatioControl
11. Checking and
presetting the actuators
positions for gas ignition
Menu level 1 Menu level 2
Params & Display
RatioControl

12. Manual startup

Menu level 1
ManualOperation
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8.1.2 Settings for gas-fired operation

The next steps explain how the fuel / air ratio control system is to be set.
Specific curves are required for each type of fuel.
Activate a program stop when startup shall be stopped to set the special positions.
Prepurging
Ignition position
Interval 1
Interval 2
Postpurging
Menu level 3
ProgramStop
Activate a program stop in Phase 24.
The unit is supplied with presettings for the parameters «home position, prepurge and
postpurge position». These positions should be checked and adapted if required, either
now or during the following program stops.
The ignition positions are not predefined. In this section, a valid setting must be made
or, otherwise, burner startup is not possible.
Menu level 3
GasSettings
Gas actuator: 32.5°
Example:
To start the burner, select «Autom/Manual/Off» and «BurnerOn».
Menu level 2 Menu level 3
Autom/Manual/Off
If startup shall be watched, press simultaneously selection buttons «<» and «>» to
switch the display to «Normal operation».
Basic Documentation LMV5...
8 Commissioning instructions for the LMV5... system
Phases 24 - 34
Phase 36
Phase 44
Phase 52
Phases 72 - 78
Menu level 4
deactivated
24PrePurgP
32PreP FGR
36IgnitPos
44Interv1
52Interv2
72PostPPos
76PostPFGR
Menu level 4 Menu level 5
SpecialPositions
IgnitionPos
Air actuator: 25.6°
Menu level 4
Menu level 5 Menu level 6
Menu level 6
IgnitionPosGas
IgnitionPosAir
IgnitionPosAux
IgnitionPosAux2
IgnitionPosAux3
IgnitionPosVSD
Menu level 5 Menu level 6
Only
LMV52...
CC1P7550en
13.08.2004