Siemens LMV5 Series Technical Instructions page 145

LMV Series
Parameter
BoilerSetpoint or Setp AddSensor
ThresholdOn (% of current setpoint)
ThresholdOff (% of current setpoint)
StageSetp_Mod (% of current setpoint)
StageLoad
MaxTmeMod
SCC Inc.
%
N/A
50
80
80
5
N/A
Figure 4‐9: Example of a Time‐based Stepping Start
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Value
o
300 F Current setpoint
Measured temperature must go below
o
150 F
ThresholdOn to engage cold start
Cold start will not disengage until
o
240 F
ThresholdOff is met
Defines the necessary temperature
o
240 F
change required to trigger a load step
N/A Determines the size of the load step
Determines the max. time between load
10 min
steps
Technical Instructions
Document No. LV5‐1000
Notes
Section 4