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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 27 PWM settings 29.11.2011
27.4 Initial PWM parameter settings
27.4.1 Initial settings of PWM basic parameters
Note:
The initial settings of the PWM basic parameter are made exclusively on the OEM
level.
Prerequisites
Operating unit AZL2... for setting the parameters is connected
Unit is wired up in accordance with the proposed application
Mains voltage is available
Safety loop is closed
There is no heat request, unit is in standby (OFF)
Fan parameters, such as maximum speed and Hall signal (number of pulses per
revolution) are known
With unprogrammed program module (initial settings), AZL2... displays OFF UPr
With unprogrammed program module (initial settings), the onboard operating panel
of the LME7... displays UPr
Operating steps
Select programming mode for OEM
Press
A
and
F
simultaneously for <5 seconds. Display shows CodE
Enter the OEM’s password via
, and
reset
. Also see chapter Entering the
password
Display shows PArA and then 400: SEt. Confirm by pressing
reset
Unit jumps to setting parameter P0 (ignition load position) 516.00 (516 blinking).
Keep
reset
depressed for >1 second. Subindex 00 is blinking
Keep
reset
depressed for >1 second. Display changes to -. 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 limit speed for the ignition load position at which the burner can
still be safely ignited
Press
reset
to transfer the setting value to the onboard memory
By pressing
ESC
(press and simultaneously) you leave the entry level
and return to the selection level for the subindex
Subindex 00 blinks. Press
to select the next subindex. Subindex 01 blinks
Press
reset
for >1 second. Display changes to -
By pressing
or the speed can be changed in step sizes of 10 rpm. Set the
required maximum limit speed for the ignition load position at which the burner may
still be safely ignited
Press
reset
to transfer the setting value to the onboard memory
By pressing
ESC
twice (press and simultaneously) you leave the
entry level and return to the selection level for the parameter number