MAINTENANCE
Rewiring and Reconfiguring the Installation
D A N G E R
This EMS−UGK contains LETHAL VOLTAGES. All repairs and service should be performed by AUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS inside the EMS−UGK.
W A R N I N G
SOnly qualified service personnel (such as a licensed electrician) shall perform the electrical installation. Risk of electrical shock.
SAlways follow all personal protective equipment (PPE) and other safety rules when working around electricity.
To rewire and reconfigure the EMS−UGK:
C A U T I O N
Before rewiring 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.Depending on the rewiring involved, follow the appropriate installation steps 1 through 20 (starting on page 13) to update the harness and CT connections. Observe all warnings and cautions associated with the installation steps.
2.For each updated connection, reconfigure the appropriate settings in the EMS−UGK using the supplied software configuration tool, a web page interface, the Advanced Metering monitoring system, or (if the optional display is installed) directly through the display. See
3.Activate the reset switch on the bottom of the electronics module: hold the switch for 10 seconds or until the display (if installed) turns off, then release the switch.
4.Verify the rewired and reconfigured installation operates as intended.
56 EATON Powerware® Energy Management System (EMS) Upgrade Kit User’s Guide S 164201724 Rev 1 www.powerware.com
