Transfer From Bypass To Double Conversion Mode; Transfer From Double Conversion Mode To Energy Saver Mode; Transfer From Energy Saver Mode To Double Conversion Mode - Eaton 93PM User And Installation Manual

Power is present inside the UPS cabinets.

7.8 Transfer from Bypass to Double conversion mode

To transfer the critical load to double conversion mode, perform the following procedure:
1. Press the Controls button in the main menu. The System controls screen appears.
2. Press the Go online button on the System controls screen. The UPS transfers to double
conversion mode. If enough UPM capacity is not available, the system remains on bypass and
an alarm sounds.
3. The UPS is now operating in double conversion mode, and the NORMAL status indicator is
illuminated. The system status indicates UNIT ONLINE.
7.9 Transfer from Double conversion mode to Energy Saver
Mode
Note that the Energy Saver mode commands are displayed only if enabled at the factory or by an
Eaton Customer Service Engineer.
To transfer the critical load to Energy Saver mode:
1. Press the Controls button in the main menu.
2. Select Service controls.
Select Enable ESS.
3.
The UPS transfers to Energy Saver mode and the critical load is supplied by the bypass source. If the
bypass source is not available or conditions are not correct for ESS mode, the power module remains
on and an alarm sounds. The NORMAL status indicator is illuminated. The UPS status indicates UNIT
ONLINE, ESS. The UPM status indicates IDLE.
7.10 Transfer from Energy Saver Mode to Double
conversion mode
Note that the Energy Saver mode commands are displayed only if enabled at the factory or by an
Eaton Customer Service Engineer.
To transfer the critical load to Double conversion mode:
1. Press the Controls button in the main menu.
2. Select Service controls.
3. Select Disable ESS.
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User's and Installation Guide
30–50kW P-164000249
Revision 1