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Activated
(Pushbutton locked into place.)
Figure 6-23. REPO Operation
6.4
Multiple External Parallel System Operation
6.4.1
Starting the Parallel System in Double Conversion Mode
To start the UPS system:
1.
Close all Module Output Breakers (MOBs).
2.
Open each UPS front door by lifting the latch from the bottom and turning to the right (counterclockwise)
and swing the door open.
3.
Verify that all UPS input breakers are open.
4.
Close all UPS input feeder circuit breakers.
5.
If dual feed, close all UPS bypass feeder circuit breakers.
6.
Close all UPS input breakers.
7 .
If the UPS contains a battery breaker, close all UPS battery breakers.
8.
Close the door and secure the latch.
9.
If IBCs are installed, close the IBC battery breakers.
10. Observe the UPS control panel display becoming active, indicating logic power.
11. Verify no alarms are active.
12. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.
Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
NOTE 1
If an Integrated Battery Cabinet (IBC) is installed, refer to the Eaton 93PM
Integrated Battery Cabinet Installation Manual-Large and Large High Rate or the
Eaton 93PM Sidecar Integrated Accessory Cabinet-Tie and Tie Bypass (50 kW and
100 kW SIAC-T, and 50 kW and 100 kW SIAC-TB) Installation and Operation Manual,
listed in paragraph 1.8, for IBC battery breaker location.
NOTE 2
If an Sidecar Integrated Accessory Cabinet-Bypass (SIAC-B) is installed, refer to the
Eaton 93PM Sidecar Integrated Accessory Cabinet-Bypass Installation and
Operation (50 kW and 100 kW SIAC-B) Manual, listed in paragraph 1.8, for operating
instructions.
NOTE 3
This unit is a four-wire device. The loss of a single input phase or the loss of neutral
with unbalanced four-wire loads will be considered a complete loss of input power
and discharge the battery to provide power to the load.
UPS Operating Instructions
Deactivated
(Unlock pushbutton to release.)
www.eaton.com/powerquality
6-25
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