Eaton FERRUPS Rack Mount UPS (850 VA–7 kVA) Installation Guide
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164201425 Rev 1
www.eaton.com/powerquality
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Chapter 8
Phase Check
After all hardwired connections are complete (including external battery
cabinets, if applicable), complete the phase check using the following
steps. You will need an AC voltmeter for the phase check.
C
A
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O
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Before operating the bypass switch, use the following procedure to check the wiring for
correct installation. To prevent damage to the load, turn off the main circuit breaker in the
load service panel or verify that the load cannot receive power from the UPS.
1.
Confirm that an electrician has completed and tested the
connection to the proper power source.
2.
Verify that the bypass switch is in the OFF position.
3.
At the UPS AC input service panel, turn on the input power to the
UPS and the bypass switch.
4.
Turn on the AC disconnect switch.
The AC LINE indicator illuminates.
5.
If you have an RBC-1 or RBC-2 battery cabinet, skip to Step 6.
If you have an RBC-3 battery cabinet, verify that the DC switch is in
the ON position.
The DC switch is located under the hinged panel on the top of the
battery cabinet. Pull the battery cabinet out slightly; unscrew the
panel screw and lift open the hinged panel.
6.
Use the FERRUPS key to turn the UPS ON/OFF switch to the ON
position. The load should still be disconnected at this time.
After a short startup test, the READY indicator blinks for a few
seconds and then remains illuminated. The UPS is ready to supply
output power.
7.
Turn the bypass switch to the UPS position.
Summary of Contents for FERRUPS
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