Siemens LMV5 Series Basic Documentation page 167

Example
Parameters:
Example (cont'd)
Menu level 1
Params & Display
Siemens Building Technologies
HVAC Products
Modulating burner with pressure control
For the output step, any output value in % can be predefined. 100 % divided by the
output step gives the number of possible steps.
Shock protection on / off
Shock protection activation level
Output step (only for modulating
operation)
Setpoint step modulating
Max. time modulating per step
Shock protection deactivation level
Spacing of temperature lines
corresponds to the setpoint steps
from the actual setpoint, e.g. 10 % = 1 bar
Burner start at
low-fire, e.g. 25 %
1.
Burner off, Setpoint step not reached,
actual value but max. time exceeded.
below thresh- Therefore, increase of
old ON. manipulated variable by
Burner will be load step,
switched on e.g. MaxTmeMod = 5 min.
Menu level 2 Menu level 3
LoadController
ColdStart
Basic Documentation LMV51...
8 Commissioning instructions for the LMV5... system
Threshold OFF
Setpoint
Load 55 %
Load 40 %
Load steps
e.g. 15 %
2.
Setpoint step is reached
before max. time has elapsed.
Increase of manipulated variable
by load step.
Menu level 4
ColdStartOn
ThresholdOn
StageLoad
StageStep_Mod
StageStep_Stage
MaxTmeMod
MaxTmeStage
ThresholdOff
activated
ColdStartOn
40 % of setpoint
ThresholdOn
10 % of burner output
StageLoad
10 % of setpoint
StageStep_Mod
5 minutes
MaxTmeMod
80 % of setpoint
ThresholdOff
Actual value
Load 85 %
Load 70 %
Manipulated
variable
Threshold ON
Actual value reached.
Threshold OFF
Change to control
Menu level 5
10 bar = 100 %
8 bar = 80 %
7 bar
6 bar
5 bar
4 bar = 40 %
⇒
7550d30E/0502
Menu level 6
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CC1P7550en
01.10.2003