UPS MAINTENANCE
Eaton 9355 UPS (10/15 kVA) User's Guide
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164201594 Rev D
www.eaton.com/powerquality
97
Using the Wall-Mounted Bypass Cabinet
To transfer the load from the UPS to maintenance bypass:
1.
Transfer the UPS to Bypass mode:
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Press any button on the front panel display to activate the menu
options.
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Using the button on the front panel display, scroll to the Control
menu option and press the
button.
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Press the
button to select the Go to Bypass Mode option.
The
indicator illuminates and the
indicator extinguishes,
indicating the UPS system is operating in Bypass mode.
2.
Switch the bypass breaker (may be designated MBP or CBP) in the
wall-mounted bypass cabinet to the ON position.
3.
If present, switch the maintenance isolation breaker (MIS) on the
wall-mounted bypass cabinet to the OFF position; otherwise, switch
the UPS breakers (may be designated MOB or UPS) on the
wall-mounted bypass cabinet to the OFF position.
The UPS is now bypassed, with the load powered by utility power.
To transfer the load from maintenance bypass to the UPS mode:
1.
If the UPS was powered off, continue to Step 2.
If the UPS is already in Bypass mode, proceed to Step 6.
2.
Switch on utility power where the UPS is connected.
3.
Wait for the front panel LCD to illuminate.
The
indicator flashes.
4.
Switch all battery circuit breakers to the ON position.
The
indicator stops flashing.
The UPS starts and transfers to Bypass mode. This may take up to
1 minute.
Summary of Contents for Powerware 9355
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