Siemens S5-135U/155U System Manual page 98

Central Controllers and Expansion Units Power Supply Units
Warning
!
Risk of danger to persons and property, danger of giving off harmful
substances.
If handled incorrectly, a lithium battery can explode. If disposed of
incorrectly, old lithium batteries can release harmful substances. You must
therefore observe the following guidelines:
Starting Up If you want to start up one of the central controllers or expansion units
without a Lithium
without a battery, you can do either of the following:
Battery
Supplying an Apply a backup voltage of 4.5 V DC via the input sockets labelled "Ext.Batt.
External Backup DC 4.5 V." The input sockets are situated on the front panel of the power
Voltage
supply. Ensure that you have the correct polarity.
4-32
Do not throw new or discharged batteries onto a fire and do not solder
onto the body of the cell (max. temperature 100 C (212 5F)). Do not
recharge them. Order your replacement battery from Siemens only (for
order number see ordering instructions). This ensures that you only use a
short-circuit-protected type.
The lithium battery is subject to regulations for hazardous materials. You
should observe these regulations when you ship the battery, for example,
by using the original packaging.
Used batteries should be returned to the manufacturer or a recycling
station if possible or disposed of as hazardous waste. The guidelines for
transporting hazardous materials should be observed.
You can connect only the rechargeable battery, or
You can supply an external backup voltage.
+
Battery Compartment (B)
*
Cover (A)
C79000-G8576-C199-06
System Manual