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
109 (133)
12.
If not already selected, select UPS in the System Control screen.
13.
In the UPS System Control screen, select the LOAD OFF
→
BYPASS command and press the
push button.
The critical load is immediately supplied by the bypass source in the
bypass mode from all the UPSs.
The bypass status indicator is illuminated.
7.4.2
Starting the parallel UPS in the standard normal mode
(default mode)
To start the UPS system:
1.
Make sure that the system maintenance bypass switch is open.
2.
Close all UPS input feeder circuit breakers.
3.
Close all module output breakers (MOBs).
4.
If the UPSs are wired for dual input, close all of the UPSs bypass
input feeder circuit breakers.
5.
Make sure that all the rectifier input switches are closed.
6.
Make sure that all the bypass input switches are closed.
7.
Make sure that all the output switches are closed.
8.
Close all internal and external battery breakers.
9.
Wait until the UPS control panel display becomes active and
indicates logic power.
10.
Check that there are no alarms active.
11.
Select the CONTROLS symbol in the main menu bar.
The System Control screen is displayed.
12.
If not already selected, select UPS in the System Control screen.
13.
In the UPS System Control screen, select the LOAD OFF
→
NORMAL command and press the
push button.
14.
If requested, enter the Level 1 password. The default Level 1
password is 1111.
After the password is entered, the UPS transfers first to bypass and
the bypass LED is illuminated.
All rectifiers and inverters turn on. The inverters continue to ramp
up to full voltage.