Siemens LMV51 Series Basic Documentation page 295

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HVAC Products
21.4 Display and operating unit AZL5...
In connection with the new B-series of the basic unit (LMV51.XXX B XXX), the type ref-
erence of the AZL5... has been changed to include C-series (AZL51.XX C XXX).
Hence, the type references indicate the state of release and show the unit versions that
work together.
21.4.1 Software changes to the flash memory
The software version of the flash memory has been changed from V02.20 to V02.50.
21.4.2 New designations of load controller inputs
For the load controller inputs 1 / 2 / 4 and the associated parameters, the following new
names have been assigned:
→ Sensor selection
Eing1/2/4Auswahl
→ Measuring range PtNi
Eing1/4BerEnde
→ Measuring TempSensor
Eing2TempBerEnde
Eing2DruckBerEnde → Measuring PressSensor
→ External input X62 U/I
Eing3Konfig_I/U
→ External setpoint min.
Eing3MinSollwert
→ External setpoint max.
Eing3MaxSollwert
21.4.3 Fuel counter with reading in liters
A blank has been introduced between the value and the unit.
21.4.4 Preventing the transfer of parameter copies from new
basic units to the backup memory of the AZL5...
Copying is not possible and a message will be delivered.
21.4.5 Parameter changes
The default settings of the following parameters have been changed:
Prepurging time oil:
Maximum time low-fire:
Postpurging position air (gas-firing):
Postpurging position air (oil-firing):
Postpurging position Aux/Fu (gas-firing):
Postpurging position Aux/Fu (oil-firing):
LC: Sd_Step1_On:
21.4.6 Name changes of load controller operating modes
extLR
intLR
intLR via BACS
intLR BACS to
extLRanalg
extLR via BACS
Basic Documentation LMV5...
21 Revision history
15 s
45 s
15 °
15 °
25 °
25 °
- 2 %
→ ExtLR X5-03
→ IntLR
→ IntLR Bus
→ IntLR X62
→ ExtLR X62
→ ExtLR Bus
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CC1P7550en
13.08.2004