The UPS is now operating in the double conversion mode. The green status
indicator for normal operation is illuminated. The system status is shown as
UNIT ONLINE.
7.3.5 Transferring from the double conversion mode to the Energy
Saver System mode
Note: Note that the Energy Saver System mode commands are displayed
only if enabled at the factory or by an authorized Eaton Customer Service
Engineer .
To transfer the critical load to the Energy Saver System mode:
1. In the home screen, press Controls.
2. Select Service controls.
3. Select Enable ESS.
The entire UPS system transfers to the Energy Saver System mode and
the critical load is supplied by the bypass source. If the bypass source is
not available or the conditions are not correct for the ESS mode, the power
module remains on and an alarm sounds. The green status indicator for
normal operation is illuminated. The UPS status is shown as UNIT
ONLINE, ESS. The UPM status is shown as READY.
7.3.6 Transferring from the Energy Saver System mode to the
double conversion mode
Note: Note that the Energy Saver System mode commands are displayed
only if enabled at the factory or by an authorized Eaton Customer Service
Engineer.
To transfer the critical load to the double conversion mode:
1. In the home screen, press Controls.
2. Select Service controls.
3. Select Disable ESS.
The UPS system transfers to the battery mode and then to the double
conversion mode. If the power module is not available, the system remains
in the bypass mode and an alarm sounds. The green status indicator for
normal operation is illuminated. The UPS status is shown as UNIT
ONLINE. The UPM status is shown as ACTIVE.
7.3.7 Shutting down the UPS system and critical load
To perform maintenance or service on the critical load, shut down the power to
the load by performing the following procedure:
1. Turn off all the equipment that is powered by the UPS system.
Eaton 93PS UPS 8–40 kW
User's and installation guide
©
Eaton Corporation plc 2016. All rights reserved. Revision: 003 Document ID: P-164000493 83 (104)
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