INSTALLATION
EATON
Powerware
®
Energy Management System (EMS) Upgrade Kit User’s Guide
S
164201724 Rev 1
www.powerware.com
13
Electrical Connections
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Only qualified service personnel (such as a licensed electrician) shall perform the
electrical installation. Risk of electrical shock.
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Always follow all personal protective equipment (PPE) and other safety rules when
working around electricity.
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Use the branch circuit breakers to disconnect hazardous voltage from the EMS−UGK. Turn
off the breaker before disconnecting the voltage measuring circuit cables, or hazardous
voltage may be present at the exposed end of the cable.
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To prevent mechanical damage, coil and secure any excess cable away from the floor.
The EMS−UGK is designed for quick and easy installation. Labels on the
harnesses describe where to connect the CTs and wire taps. Keyed
circular connectors provide a quick and secure installation to the
electronics module.
To connect the wiring for the EMS−UGK:
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Before wiring the EMS−UGK, disconnect the load and shut down the host equipment. Refer
to the user’s guide for the host equipment for shutdown instructions.
1.
Verify that no circuits on which the EMS−UGK will be installed are
energized. Be absolutely sure there is no power.
2.
Optional.
Connect the ground cable (not supplied) from the host
equipment to the M5 ground bonding screw on the bottom of the
electronics module. Figure 4 shows the location of the ground
bonding screw.
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