Powerware 9330 Uživatelský manuál Strana 120

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Powerware 9330 (10 kVA--40 kVA) Installation and Operation
164201300 REV. G 061502
9.7 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 t he power processor is not available, the
system remains on bypass and an alarm sounds.
3. TheUPSisnowoperatingintheNormalmodeandtheNORMAL status
indicator is illuminated.
The PPU status indicates ONLINE.
9.8 Transfer from Normal to High Efficiency Mode
To transfer the U PS 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.
9.9 Transfer from High Efficiency to Normal Mode
To transfer the U PS 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 t he power processor is not available, the
system remains on bypass and an alarm sounds.
3. TheUPSisnowoperatingintheNormalmodeandtheNORMAL status
indicator is illuminated.
The PPU status indicates ONLINE.
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