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UPS Operating Instructions
6.4.3 Transfer from Normal to Bypass Mode
To transfer the critical load to Bypass mode:
In Bypass mode, the critical load is not protected from commercial power interruptions and
abnormalities.
1.
Select the CONTROLS symbol on the main menu bar. The System Control screen is displayed.
2.
If not already selected, select UPS on the System Control screen.
3.
On the UPS System Control screen, select the NORMAL
pushbutton.
All of the UPSs transfer to Bypass mode.
The BYPASS status indicator is illuminated. The power module remains on.
Power is present inside the UPS cabinet.
6.4.4 Transfer from Bypass to Normal Mode
To transfer the critical load to Normal mode:
1.
Select the CONTROLS symbol on the main menu bar. The System Control screen is displayed.
2.
If not already selected, select UPS on the System Control screen.
3.
On the UPS System Control screen, select the BYPASS
pushbutton.
All of the UPSs transfer to Normal mode. If the power module is not available, the system remains on
bypass and an alarm sounds.
The NORMAL status indicator is illuminated.
Power is present inside the UPS cabinet.
6-20
Eaton 93E UPS (15-80 kVA, 380/400/415V) Installation and Operation Manual
CAUTION
BYPASS command, then press the RETURN
WARNING
NORMAL command, then press the RETURN
WARNING
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