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Users Manual
g.Close the input isolation circuit breaker Q1. Verify that the following conditions exist:
◗The red “load not protected” LED is on
◗The rectifier/battery charger automatically starts
If either condition is not present, there is a fault. Open Q1 and contact MGE Customer Support Services.
h.Close the battery disconnect circuit breaker QF1. The batteries are now connected to the rectifier/battery charger, and have begun charging.
IMPORTANT: | Because it is standard for the UPS module to be |
| programmed for automatic restart, the inverter will |
| automatically start after the battery disconnect circuit |
| breaker QF1 has been closed. |
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i.If the UPS is not programmed for automatic restart, press the “inverter on” pushbutton. The green “load protected” LED will flash for about 3 seconds, indicating that the inverter is starting.
j.The UPS will automatically transfer the load to the UPS inverter output. The green “load protected” LED will turn on and remain on.
NOTE: | If the transfer conditions are not satisfied (bypass AC input |
| sources is out of tolerance) a forced transfer is required. |
| Refer to section 2.12 Forced Transfers. |
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2.10.3Checks After Start-up
After initial
◗Emergency power off (EPO) test.
◗Remote emergency power off (REPO) test (if applicable).
◗Inverter start and stop.
◗Battery transfer test.
◗Maintenance bypass procedure.
2.11Shutdown
Shutdown procedures in this section apply to the EPS 7000 cabinet under normal, emergency, overload, and mainte- nance conditions.
Operation | page 2 |