Inspect And Replace The Air Filters-300-Mm (12-In.) Models - Vertiv Liebert CRV Installer/User Manual

13.7 Inspect and Replace the Air Filters—300-mm (12-in.) Models
Check the air filter monthly to maintain efficient air distribution through the evaporator coil.
1. Switch Off the Liebert CRV.
2. Remove the rear door by unlatching the two quarter-turn fasteners and lifting the door off.
The filters are just inside the door.
3. If the filters appear dirty, depress the tabs on the right side of the upper filter and remove the
filter.
4. Repeat step 3 for the lower filter.
5. Replace the lower filter by inserting the left edge into the rail and pushing the right side in
until the tabs snap back out to retain the filter.
6. Repeat step 5 for the upper filter.
Figure 13.4 Remove the air filters 300-mm (12-in.) models
After cleaning or replacing the filter and before reassembling the unit, check that the air differential
pressure switch tube (clogged filter alarm) are correctly installed. Also verify that the drain trays are clean
and the pipe is secure.
Vertiv | Liebert CRV Installer/User Guide |
ITEM DESCRIPTION
1 Air filter
2 Tab that secures filter in place
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