UPS MAINTENANCE
EATON Powerware
®
9355 UPS (10/15 kVA) User’s Guide S 164201594 Rev C www.powerware.com
83
Using t he Wall-Mounted Bypass Cabinet
To transfer the load from the UPS to maintenance bypass (wall -mounted
operation):
1. Transfer the UPS to Bypass mode:
S Press any button on the front panel display to activate the menu
options.
S Using the button on the front panel display, scroll to the Control
menu option and press the
button.
S Press the button to select the Go to Bypass Mode option.
The
and indicators illuminate, indicating the UPS is
operating in Bypass mode.
2. Switch the bypass breaker in the wall-mounted bypass cabinet to
the ON position.
The UPS is now bypassed, with the load powered by utility power.
3. Switch the UPS breaker in the wall -mounted bypass cabinet to the
OFF position.
To transfer the load from maintenance bypass to the UPS (wall-mounted
operation):
1. If the UPS was powered off, continue to Step 2.
If the UPS is already in Bypass mode, proceed to Step 8.
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.
