Backup; Batterietyp; Adjustment Of Contrast (Display); Shutdown Function - Siemens LMV51 Series Basic Documentation

Backup

Batterietyp

Adjustment of contrast
(display)

Shutdown function

106/157
Siemens Building Technologies
HVAC Products
Backup is about 10 years.
The backup battery is a replaceable lithium battery.
Refer to «Technical data».
When changing batteries, ensure ESD protection!
If the AZL51... uses the associated interface to communicate with a building management
center, the latter can act as the clock master by transmitting cyclically a preset time of
day and date to the AZL51... .
This information is given priority over all other time of day / date sources.
In «Normal operation» of the AZL51..., the contrast of the display can be adjusted.
To do this, keep the ENTER button depressed and, at the same time, press the
SELECTION buttons ( + or - ).
The contrast of the display can also be adjusted on the parameter setting level of the
AZL51... menu.
Lockout of the basic unit can be triggered by simultaneously pressing ENTER and ESC.
Lockout will be stored in the AZL51... .
Basic Documentation LMV51...
6 Display and operating unit AZL51...
CC1P7550en
29.05.2002