Eaton Powerware 9390-160/100 Installation And Operation Manual page 128

UPS Operating Instructions
3. The UPS is now operating in Bypass mode and the BYPASS status indicator is
Power is present inside the UPS cabinets.
10.1.5 Transfer from Bypass to Normal Mode
To transfer the critical load to Normal mode, perform the following procedure:
1. Press the CONTROLS pushbutton on the main menu bar. The System Controls
2. Press the NORMAL pushbutton on the System Controls menu bar.
3. The UPS is now operating in Normal mode, and the NORMAL status indicator is
10.1.6 Transfer from Normal to Bypass Mode and Shut Down UPS
To transfer the critical load to Bypass mode and shut down the UPS, perform the following
procedure:
1. Transfer the critical load to bypass by performing the procedure in
2. Press the CONTROLS pushbutton on the main menu bar. The System Control
3. Press the
4. Press the PM OFF pushbutton on the System Controls menu bar.
Power is present inside the UPS cabinets.
10-4
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illuminated.
The power module (PM) status indicates READY. The system is now on bypass and
the UPS power processor remains on.
screen appears.
The UPS transfers to Normal mode. If the power processor is not available, the
system remains on bypass and an alarm sounds.
illuminated.
The power module (PM) stat us indicates ONLINE.
paragraph 10.1.4.
screen appears.
pushbutton to display System Controls Screen 2.
The power module (PM) status indicates SHUTDOWN . The input and output
contactors open, the battery breaker or disconnect is tripped, and the power
module is turned off. The bypass source supplies the critical load.
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201554 Rev E powerware.com
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