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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 21 Revision history 13.08.2004
21.4 Display and operating unit AZL5...
In connection with the new B-series of the basic unit (LMV51.XXX
BXXX), the type ref-
erence of the AZL5... has been changed to include C-series (AZL51.XX
CXXX).
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:
Eing1/2/4Auswahl → Sensor selection
Eing1/4BerEnde → Measuring range PtNi
Eing2TempBerEnde → Measuring TempSensor
Eing2DruckBerEnde → Measuring PressSensor
Eing3Konfig_I/U → External input X62 U/I
Eing3MinSollwert → External setpoint min.
Eing3MaxSollwert → External setpoint max.
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: 15 s
Maximum time low-fire: 45 s
Postpurging position air (gas-firing): 15 °
Postpurging position air (oil-firing): 15 °
Postpurging position Aux/Fu (gas-firing): 25 °
Postpurging position Aux/Fu (oil-firing): 25 °
LC: Sd_Step1_On: - 2 %
21.4.6 Name changes of load controller operating modes
extLR → ExtLR X5-03
intLR → IntLR
intLR via BACS → IntLR Bus
intLR BACS to → IntLR X62
extLRanalg → ExtLR X62
extLR via BACS → ExtLR Bus
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