Eaton 93PM Series - Page 128

116 Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07
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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 (vents on the front door of the UPS cabinet and the exhaust openings (on the rear of
the UPS cabinet) are not blocked.
3. Ensure the operating environment is within the parameters specified in paragraph 3.3.1 Environmental
and Installation Considerations and Chapter 10 Product Specifications.
4. Ensure the UPS is in Normal mode (Normal status indicator is illuminated). If an alarm lamp is illuminated
or the Normal status indicator is not illuminated, contact an Eaton service representative.
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Perform the following steps monthly:
1. Monitor system parameters as described in paragraph 7.2 Using the Control Panel.
2. Check the UPS air filter (located behind the front door) and wash or replace as necessary. See Figure 68 for
filter location. Contact an Eaton service representative for replacement filters.
CAUTION
Verify washed filter is thoroughly dry before reinstalling.
To remove the filters:
a. Unfasten the front door by lifting the latch from the bottom and turning to the right (counterclockwise)
and swing the door open.
b. Remove the foam filters from the frame on the front door.
c. Install the spare foam filters, either washed or new foam filters, into the frame on the front door.
!
IMPORTANT
The foam filters are to be replaced with new or washed filter immediately. The UPS is not meant to be run
without filters installed.
d. Close the front door and secure the latch
3. Record maintenance results and any corrective actions in a suitable log.
UPS Maintenance