Transfer From Bypass To Normal Mode; Transfer From Normal To High Efficiency Mode; Transfer From High Efficiency To Normal Mode - Powerware 9330 Installation & Operation Manual

10.7 Transfer from Bypass to Normal Mode

To transfer the critical load to normal mode, perform the following procedure:
1.
Press the System Control pushbutton. The System Control screen appears.
2.
Select NORMAL or HI -- EFF from the System Control menu.
Normal Mode Requested appears on the screen.
The UPS switches to Normal mode. If the power processor is not available, the
system remains on bypass and an alarm sounds.
3.
The UPS is now operating in the Normal mode and the NORMAL status
indicator is illuminated.
The PPU status indicates ONLINE.

10.8 Transfer from Normal to High Efficiency Mode

To transfer the UPS from normal mode to high efficiency mode, perform the
following procedure:
NOTE: High Efficiency Mode control option only appears if it has been set by a
Customer Service Engineer.
1.
Press the System Control pushbutton. The System Control screen appears.
2.
Select HI-EFF from the System Control menu.
Hi-Eff Mode Requested appears on the screen.
The UPS switches to High Efficiency mode. If bypass is not available, the system
remains in normal mode.
3.
The UPS is now operating in the High Efficiency mode and the NORMAL
status indicator is illuminated.
The PPU status indicates HI-EFF.

10.9 Transfer from High Efficiency to Normal Mode

To transfer the UPS from high efficiency mode to normal mode, perform the
following procedure:
NOTE: High Efficiency Mode control option only appears if it has been set by a
Customer Service Engineer.
1.
Press the System Control pushbutton. The System Control screen appears.
2.
Select NORMAL from the System Control menu.
Normal Mode Requested appears on the screen.
The UPS switches to Normal mode. If the power processor is not available, the
system remains on bypass and an alarm sounds.
3.
The UPS is now operating in the Normal mode and the NORMAL status
indicator is illuminated.
The PPU status indicates ONLINE.
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Powerware 9330 (IBM 9910 20 kVA) Installation and Operation
164201491 REV. B 013004