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 7
Battery Wiring
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Only qualified service personnel (such as a licensed electrician) should perform the battery
installation. Risk of electrical shock.
The ground (or earth) connection at the battery cabinet should already be
made according to the instructions in Chapter 4, “Battery Cabinet
Installation” on page 21.
At the UPS, the procedure for connecting ground depends on your
model:
1.
850 VA–3.1 kVA:
At the UPS, connect the ground wire to the
ground lug (the green screw on the back of the UPS). This UPS
ground (or earth) screw is marked with the label shown below.
GROUNDING
ELECTRODE
TERMINAL
Figure 43. Ground Label
4.3/7 kVA:
At the UPS, find the green/yellow terminal strip next to
the UPS battery terminals. This green and yellow terminal strip has
the ground or earth symbol shown below. Connect the ground wire
to this ground terminal.
OR
Figure 44. Ground Symbol
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Do not make connections to the RS-232 communication port if the UPS is connected to a
positive ground battery system. The RS-232 ground must be isolated to prevent equipment
damage. For assistance, call your service representative.
Summary of Contents for FERRUPS
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