Eaton 93E Series - 7.4 Multiple UPS Parallel Operation; 7.4.1 Starting the Parallel UPS in High-Efficiency Normal Mode (Default Mode)

Eaton 93E UPS (20–30 kVA, 208/220V) Installation and Operation Manual 164000301—Rev 04 81
Figure 45. REPO Operation
Deactivated
Unlock pushbuttontorelease
Activated
Pushbuttonlockedintoplace
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The paragraphs in this section provide operating instructions for a UPS system containing multiple UPSs.
NOTE 1 If an External Battery Cabinet (EBC) is installed, refer to the Eaton 93E External Battery
Cabinet Installation Manual listed in paragraph 1.7 For More Information for EBC battery
breaker location.
NOTE 2 If an Integrated Accessory Cabinet-Tie (IAC-T) is installed, refer to the Eaton 93E
Integrated Accessory Cabinet-Tie and Bypass Installation and Operation Manual listed in
paragraph 1.7 For More Information for operating instructions.
NOTE 3 I an Integrated Accessory Cabinet-Tie and Bypass is installed, refer to the Eaton 93E
Integrated Accessory Cabinet-Tie and Bypass Installation and Operation Manual listed in
paragraph 1.7 For More Information for operating instructions.
NOTE 4 If an Integrated Accessory Cabinet-Distribution (IAC-D) is installed, refer to the Eaton
93E Integrated Accessory Cabinet-Distribution Installation and Operation Manual listed
in paragraph 1.7 For More Information for operating instructions.
NOTE 5 Start and control system wide functions from UPS 1.
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To start the UPS system:
1. Unfasten the front door by lifting the latch from the bottom and turning to the right (counterclockwise) and
swing the door open (see Figure 38).
2. Verify that all input breakers are open.
3. If the UPSs are EBC capable, verify that all UPS battery breakers are open.
4. Close all Module Output Breakers (MOBs).
5. Close all UPS input feeder circuit breakers.
6. If the UPSs are dual-feed, close all bypass input feeder circuit breakers.
7. Close all input breakers.
8. If the UPSs are EBC capable, close all UPS battery breakers.
UPS Operating Instructions