1.
Check the area surrounding the UPS system. Make sure that the area is
not cluttered, allowing free access to the unit.
2.
Check that the air intakes (vents on the front doors) and exhaust opening
(the back of the UPS cabinet sections) are not blocked.
3.
Make sure that the operating environment is within the parameters
and Chapter
.
4.
Check that the UPS is in the normal operation mode (the green status
indicator for normal operation is illuminated). If the red alarm status
indicator is illuminated or the green status indicator for normal operation is
not illuminated, contact your service representative.
8.2.2
Monthly maintenance
Perform the following steps once a month:
1.
Check the system parameters on the control panel (see Section
).
2.
If the optional air filters are installed, check them (located behind the front
doors) and wash or replace them, if needed. Contact your service
representative for replacement filters. To replace the filters:
a.
Open the UPS front door.
b.
Replace the filters.
c.
Close the UPS front door.
3.
Record the check results and any corrective actions in a service log.
8.2.3
Periodic maintenance
Inspect the UPS periodically to determine if components, wiring, and
connections exhibit evidence of overheating. Pay particular attention to bolted
connections. Bolted connections must be re-torqued periodically.
8.2.4
Annual maintenance
WARNING
Only authorized personnel that are familiar with the maintenance and
servicing of the UPS system are allowed to perform annual preventive
maintenance. Contact your service representative for more information about
service offerings.
8.2.5
Battery maintenance
WARNING
Only authorized personnel are allowed to perform battery replacement and
maintenance. Contact your service representative for battery maintenance.
Eaton 91PS/93PS UPS 8–40 kW
User's and installation guide
©
Eaton Corporation plc 2018. All rights reserved.
Revision: 005
Document ID: P-164000493
102 (117)
