236 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
99..22 PPeerrffoorrmmiinngg PPrreevveennttiivvee MMaaiinntteennaannccee
The UPS system requires very little preventive maintenance. However, the system should be inspected
periodically to verify that the units are operating normally and that the batteries are in good condition.
99..22..11 DDAAIILLYY MMaaiinntteennaannccee
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 or panels) and the exhaust openings (on top of the PM
section) are not blocked.
3. Ensure the operating environment is within the parameters specified in paragraph
3.2.2 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.
99..22..22 MMOONNTTHHLLYY MMaaiinntteennaannccee
Perform the following steps monthly:
1. Monitor system parameters as described in paragraph 7.2 Using the LCD Control Panel or
7.6 Using the Color Touchscreen Control Panel.
2. Check the UPS air filters (located behind the front panels or door) and wash or replace as necessary. See
Figure 151 and Figure 152 or Figure 153 for filter locations, and Table 42 for filter sizes. Contact an Eaton
service representative for replacement filters.
To remove and replace the filters:
Table 42. UPS Filter Sizes
Filter Location Size
Bottom Left ISBM Section Air Filters (Continuous Static Switch)
12" x 20" x 0.25"
Bottom Right ISBM Section Air Filters (Continuous Static Switch)
12" x 20" x 0.25"
Middle Right ISBM Section Air Filter (Continuous Static Switch)
20” X 6.3” X 0.5”
UPM Section Air Filters
20" x 44" x 0.25"
Verify washed filters are thoroughly dry before reinstalling.
a. Remove one top screw and two bottom screws securing each PM section front panel (see Figure 24).
Lift the panel straight up to remove it from the panel hanger bracket at the top of the cabinet.
b. Remove one top screw and two bottom screws securing each ISBM section front panel (see
Figure 23). Lift the panel straight up to remove it from the panel hanger bracket at the top of the
cabinet.
c. If the UPS is a continuous static switch configuration, unfasten the front door latch and swing the door
open (see Figure 22).
d. Pull the foam filters over the screw heads on the cabinet mounted studs and remove the filters from
the cabinet.
UPS Maintenance
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