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Eaton 91PS/93PS UPS 8–40 kW
6.
Close the UPS bypass input feeder circuit breaker.
7.
Wait for the UPS control panel display to become active and indicate logic
power.
8.
In the home screen, press Controls.
9.
Press the UPS controls button.
In the UPS controls screen, the system status is shown as SHUTDOWN.
10. In the UPS controls screen, press the GO online button.
If Auto Bypass is enabled (factory default), the critical load is immediately
supplied by the bypass source in the bypass mode, until the inverter turns
on and the UPS transfers to the double conversion mode. The yellow
status indicator on the UPS control panel indicates that the UPS is in the
bypass mode. If auto bypass is not enabled, the UPS output remains off
until the UPS system transfers to the double conversion mode.
11. In the UPS control screen, press the GO online button.
12. Wait for the following messages to appear sequentially on the UPS status
line:
STARTING
ONLINE
The UPS system is now operating in the double conversion mode and the green
status indicator for normal operation is illuminated.
7.4.2
A single UPS in the system can be shut down only if it is redundant. In practice,
this means that a UPS is not allowed to be shut down if doing so would lead to
an overload condition in the remaining UPSs in the system.
To shut down a single UPS:
1.
In the home screen, press Controls.
The System controls screen is displayed.
2.
In the System controls screen, press UPS controls.
3.
In the UPS control screen, select Shut down UPS.
7.4.3
To turn the battery charger on or off, perform the following procedure:
1.
In the home screen, press Controls.
The System controls screen appears.
2.
In the System controls screen, press UPS controls.
3.
Press the Turn on / Turn off button.
©
Eaton Corporation plc 2018. All rights reserved.
Shutting down a single UPS
Enabling and disabling the battery charger
Revision: 005
Document ID: P-164000493
User's and installation guide
94 (117)
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