Siemens LME7 Series Basic Documentation

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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 27 PWM settings 29.11.2011
 By pressing
ESC
(press and simultaneously) you leave the entry level
and return to the selection level for the parameters
 Display changes from PArA to 400: SEt
 Press
to select the next parameter group (P500...P600). Display: 500: PArA
 Press
/
reset
to go to the respective group
 Press
or to select parameter 503.00 (503 blinking)
 Press
/
reset
for >1 second. Subindex 00 blinks
 Press
or to select subindex 01
 Press
/
reset
for >1 second. Display shows the prepurge speed. Also see chapter
Setting parameters with index, with or without direct display
 By pressing
or the speed can be changed in step sizes of 10 rpm. Set the
required minimum prepurge speed
 Press
/
reset
to transfer the setting value to the onboard memory
 By pressing
ESC
3 times (press and simultaneously) you leave the
entry level and return to the selection levels for the subindex. Parameter for
returning to the parameter group (display shows 500: PArA)
 Press
to select the next parameter group (P600...P700). Display shows 600:
PArA
 Press
/
reset
to go to the respective group
 Press
or to select parameter 675.00 (675 blinking)
 Press
/
reset
for >1 second. Subindex 00 blinks
 Press
/
reset
 Press
or to set the value to 40%
 Press
/
reset
to transfer the setting value to the onboard memory
 By pressing
ESC
3 times (press and simultaneously) you leave the
parameter level and return to the subindex
 Press
or to select subindex 01
 Press
/
reset
 Press
or to set the value to 55%
 Press
/
reset
to transfer the setting value to the onboard memory
 By pressing
ESC
twice (press and simultaneously) you leave the
parameter setting level and return to the initial mode
Warning!
In the case of burner components (PWM fan) with voltage-related behavior, it is
recommended to read out the value (current PWM signal, parameter 920) for the
prepurge phase (P30) with the minimum permissible prepurge speed close to the
undervoltage limit, and for the ignition phases (P38, 40 and 44) with the maximum

Siemens LME7 Series Specifications

General

Brand	Siemens
Model	LME7 Series
Category	Controller
Language	English