UPS Operating Instructions
Eaton 9E UPS (20–30 kVA, 208/220V) Generation 3 Installation and Operation Manual P-164000301—Rev 1
www.eaton.com/powerquality
6-19
6.4.3
Transfer from Normal to Bypass Mode
To transfer the critical load to Bypass mode:
CAUTION
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
BYPASS
command, then press the
RETURN
pushbutton.
All of the UPSs transfer to Bypass mode.
The
BYPASS
status indicator is illuminated. The power module remains on.
WARNING
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
NORMAL
command, then press the
RETURN
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.
6.4.5
Transfer from HE Normal Mode to Standard Normal Mode
To transfer the load to Standard 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
HE: ENABLE
DISABLE
command, then press the
RETURN
pushbutton.
All of the UPSs transfer to Standard Normal mode.
The
NORMAL
status indicator is illuminated.
Summary of Contents for 9E
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