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PDU
This selection is set at the factory to YES, which allows the LCD to draw the Mimic accordingly and
display PDU metering and alarm information.
Select the PDU button in the System Options window (see Figure 74). This opens the PDU Options
window, shown below in Figure 75.
Figure 75 PDU options button
The PDU Options window allows you to specify whether you have the surge suppression option.
• If the TVSS option is installed, this selection is set at the factory to YES. To disable surge sup-
pression, click NO.
• Click SAVE.
4 Pole Transfer Switch
This selection is set at the factory to indicate whether the system is a 3 pole or 4 pole unit. The 4 pole
design is not available at this time.
Shunt Trip
This selection is set at the factory.
Wye Output Transformer
The Wye Output Transformer controls the firing of the SCRs on startup, which minimizes the inrush
into PDU transformers. Output breakers and PDU input breakers have to be closed when you start
up the system. Based on whether the input side of the PDU transformer is configured as a Wye or
Delta changes the firing sequence of the SCRs.
If the STS2/PDU is connected to a PDU configured as a Wye:
• Select YES for the Wye Output Transformer choice in the System Options dialog box.
Remote Source Select
If your system is configured with the optional Remote Source Selection, it must be enabled from the
System Options menu. See 4.4 - Remote Source Selection Wiring for more information.
If the system is utilizing Remote Source Selection:
• Select YES for the Remote Source Select choice in the System Options dialog box to activate the
option.
System ID
Most of the settings for System ID are set by Liebert either at the factory or when the unit is
installed.
The system is identified and tracked with these numbers: Order No., System Tag No., System ID No.
and Model No.
Language, Time and Date are synchronized with the location of the unit.
The only configurable field is the Password. See Using the Password on page 98 for more informa-
tion on configuring and using the password.
112
Touch Screen Display
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