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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