Initial Pwm Parameter Settings; Initial Settings Of Pwm Basic Parameters; Prerequisites; Operating Steps - Siemens LME7 Series Basic Documentation

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Prerequisites

Operating steps

Building Technologies Division
Infrastructure & Cities Sector

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.

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

Select programming mode for OEM

Press and
A F

Enter the OEM's password via
password

Display shows PArA and then 400: SEt. Confirm by pressing

Unit jumps to setting parameter P0 (ignition load position) 516.00 (516 blinking).
Keep depressed for >1 second. Subindex 00 is blinking
/reset

Keep depressed for >1 second. Display changes to -. Also see chapter
/reset
Setting parameters with index, with or without direct display

By pressing or
required minimum limit speed for the ignition load position at which the burner can
still be safely ignited

Press to transfer the setting value to the onboard memory
/reset
ESC

By pressing
and return to the selection level for the subindex

Subindex 00 blinks. Press

Press for >1 second. Display changes to -
/reset

By pressing or
required maximum limit speed for the ignition load position at which the burner may
still be safely ignited

Press to transfer the setting value to the onboard memory
/reset
ESC

By pressing
entry level and return to the selection level for the parameter number
Basic Documentation LME7...
27 PWM settings
simultaneously for <5 seconds. Display shows CodE
, and
the speed can be changed in step sizes of 10 rpm. Set the
(press and simultaneously) you leave the entry level
to select the next subindex. Subindex 01 blinks
the speed can be changed in step sizes of 10 rpm. Set the
twice (press and
. Also see chapter Entering the
/reset
/reset
simultaneously) you leave the
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CC1P7105en
29.11.2011