Eaton 93E Integrated Transformer Cabinet (ITC) Installation Manual P-164000074—Rev 3
www.eaton.com/powerquality
6-1
Chapter 6
Maintenance
The components inside the Integrated Transformer Cabinet (ITC) are secured to a sturdy metal frame.
All repairable parts and assemblies are located for easy removal, with very little disassembly. This design allows
authorized service personnel to perform routine maintenance and servicing quickly.
You must schedule periodic performance checks of the UPS system to keep it running properly. Regular routine
checks of operation and system parameters enable your system to function efficiently for many trouble-free
years.
6.1
Important Safety Instructions
Remember that your UPS system is designed to supply power
EVEN WHEN DISCONNECTED FROM THE
UTILITY POWER
.
WARNING
l
No user serviceable components.
l
Servicing and maintenance should be performed by qualified service personnel only.
l
LETHAL VOLTAGE PRESENT. This unit should not be operated with the cabinet doors open or
protective panels removed. Do not make any assumptions about the electrical state of any
cabinet in the UPS system.
6.2
Performing Preventive Maintenance
The UPS system requires very little preventive maintenance. However, the system should be inspected
periodically to verify that the units are operating normally. Record maintenance results and any corrective
actions in a suitable log.
6.2.1
DAILY Maintenance
Perform the following steps daily:
1.
Check the area surrounding the UPS system. Ensure the area is not cluttered, allowing free access to the
unit.
2.
Ensure the air intakes on the Accessory cabinets are not blocked.
3.
Ensure the operating environment is within the parameters specified in paragraph 3.2.1 and Chapter 7,
“Product Specifications.”
6.2.2
PERIODIC Maintenance
Periodic inspections of the ITC should be made to determine if components, wiring, and connections exhibit
evidence of overheating. Particular attention should be given to the compression lug connections. Maintenance
procedures should specify that the compression lug connections be retorqued to values listed in this manual.
6.2.3
ANNUAL Maintenance
Annual preventive maintenance should be performed only by authorized service personnel familiar with
maintenance and servicing of the UPS system. Contact an Eaton service representative for more information
about service offerings.
