Setting And Connecting The Power Supply Unit - Siemens S5-155U System Manual

Power Supply Units
4.3.2
Setting and Connecting the
Power Supply Unit
4 - 26
Before placing your power supply unit in operation, you must carry
out certain steps according to your requirements with respect to power
supply behavior in the event of a fault.
Power supply units are delivered in the following state:
• •
Fitted in the CC or EU frame which you ordered
• •
With preset jumpers
• •
AC line voltage set to 230 V
If you wish to retain this setting, you can skip Steps 2 to 4 and 9.
If you do not wish to fit a filter subdrawer, skip step 8.
Step Action
1 Check the setting and cabling
2 Remove the power supply unit
3 Set the jumpers
4 Fit the power supply unit
5 Wire the power supply unit to the installation
(including fitting and isolating device to
disconnect the AC line voltage)
6 Fit the lithium battery
7 Remove the right-hand fan and connect the
rechargeable battery
8 Fit the filter subdrawer
9 Set the voltage selector switch
(preset to 230 V)
10 Switch the PSU on for the first time
If required
If required
If required
If required
If required
System Manual
C79000-B8576-C199-03