Setting And Connecting The Power Supply Unit - Siemens S5-135U/155U System Manual

4.3.2

Setting and Connecting the Power Supply Unit

Before starting up your power supply unit, 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:
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.
1
2
3
4
5
6
7
8
9
10
System Manual
C79000-G8576-C199-06
Central Controllers and Expansion Units Power Supply Units
Fitted in the CC or EU frame which you ordered
With preset jumpers
AC line voltage set to 230 V (-3LC42, -3LF42)
Step
Check the setting and cabling
Remove the power supply unit
Set the jumpers
Fit the power supply unit
Wire the power supply unit to the installation (including
fitting an isolating device to disconnect the AC line
voltage)
Fit the lithium battery
Remove the right-hand fan and connect the rechargeable
battery
Fit the filter subdrawer
Set the voltage selector switch
Switch the PSU on for the first time
Action
If required
If required
If required
If required
If required
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