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Maintaining the IAC-D
6.2.2 PERIODIC Maintenance
Periodic inspections of the IAC-D should be made to determine if components, wiring, and
connections exhibit evidence of overheating. Particular attention should be given to bolted
connections. Maintenance procedures should specify that the bolted connections be
retorqued to values listed on labels posted on the equipment.
Refer to the Distribution Panel manufacturer's circuit breaker application and maintenance
literature for recommended maintenance practices and procedures.
6.2.3 ANNUAL Maintenance
Annual preventive maintenance, if required, should be performed only by authorized
service personnel familiar with maintenance and servicing of the UPS system. Contact your
Eaton service representative for more information about service offerings.
6.3 Short Circuits
Short circuits are not considered normal phenomena in UPS system applications. Tripping
of protective devices due to low impedance short circuits should be thoroughly
investigated for damage to conductors, insulation, and the protective devices in
accordance with the manufacturer's recommendations.
6.4 Maintenance Training
A basic training course, available from Eaton, gives you a competent working knowledge of
the UPS system operation and teaches you how to perform first level corrective
maintenance. For more information about training and other services, contact the Eaton
Help Desk for Powerware products (see page 1-6).
6-2
EATON Powerware
9390 IAC-D Installation and Operation Manual S 164201591 Rev B powerware.com
®
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