Eaton 93E UPS 15-80 kVA (380/400/415 V)
Installation and Operation Manual
© Eaton Corporation plc 2015. All rights reserved.
Revision: 001
Document ID: 614-01975-00
101 (133)
16.
If requested, enter the Level 1 password. Default password is 1111.
After you have entered the password, UPS transfers first to bypass
and the bypass LED is illuminated.
The DC-link and the rectifier is turned on. The rectifier input relay
closes while the DC-link continues to ramp up to full voltage. After
this, the inverter is turned on and the UPS output relay closes and
the static switch turns off. Power is now supplied to the critical load
in the standard normal mode. It takes approximately one minute for
the UPS to achieve the standard normal mode.
The normal mode status indicator is illuminated.
7.3.3
Transfer from the bypass mode to the normal mode
To transfer the critical load to the normal mode:
1.
Select the CONTROLS symbol in the main menu bar.
The System Control screen is displayed.
2.
If not already selected, select UPS in the System Control screen.
3.
In the UPS System Control screen, select the BYPASS
→
NORMAL
command and press the
push button.
The UPS transfers to the normal mode. If the power module is not
available, the system remains on bypass and an alarm sounds.
The normal mode status indicator is illuminated.
7.3.4
Transfer from the normal mode to the bypass mode
To transfer the critical load to the bypass mode:
CAUTION
In the bypass mode, the critical load is not protected from commercial
power anomalies.
1.
Select the CONTROLS symbol in the main menu bar.
The System Control screen is displayed.
2.
If not already selected, select UPS in the System Control screen.
3.
In the UPS System Control screen, select the NORMAL
→
BYPASS
command and press the
push button.
The UPS transfers to the bypass mode.