Maxtmemod - Siemens LMV5 Series Technical Instructions

LMV Series
LEGEND - Password Access: (U)=User, (S)=Service, (O)=OEM, Shaded = Commonly Used, ** = Must Set, X = Has Function, / = Partial Function
Menu Path Parameter
MaxTmeMod (S)
MaxTmeStage (S)
ThresholdOff (S)
Params & Display>
LoadController>
AdditionalSens (S)
ColdStart
Temp. ColdStart (U)
Setp AddSensor (S)
Release Stages (S)
SCC Inc.
Default Range
For modulating burners, this is the maximum allowable time for each load step. If the temp.
/ press. does not increase enough to trigger the next load step before this time expires, the
3min 1-63min
next load step will be taken based on this time. Set to 63 min if to be ramped on temp. /
press. only.
For staged oil burners, this is the maximum allowable time for each stage step. If the temp. /
press. does not increase enough to trigger the next stage before this time expires, the next
3min 1-63min
stage will be engaged based on this time. Set to 63 min if to be ramped on temp. / press.
only.
If ColdStartOn is activated, this is the temp. / press. where the thermal shock protection
80% 0-100%
disengages. The value is a percentage of the current setpoint.
deactivated If an additional temp sensor is used on a steam boiler for cold start (recommended), the type
Pt100 of sensor must be selected. Sensor to be wired to INPUT terminal X60. Pt1000 and Ni1000
deact
Pt1000 temperature is updated continuously, PT100 temperature only updated when thermal shock
Ni1000 protection is active.
Displays the temperature being read by the additional sensor. For Pt100 sensor, this is only
Read Only
valid when thermal shock protection is active.
If a temperature sensor is used on a steam boiler for cold start, a temperature setpoint must
be selected to take the place of the current setpoint. ThresholdOn , ThresholdOff ,
140 F 32-842 F
StageSetp_Mod , and StageSetp_Stage percentages will be based on this value. Not
applicable to hot water boilers.
release For staged burners, this enables or disables stages (other than the first stage) to be released
release
no release during a cold start.
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Section 3