MT036 MT048, MT060
Air-filter box
Quantity 1 2
Nominal Size, in. (mm) 4 x 20 x 20 (102 x 508 x 508) 4 x 20 x 20 (102 x 508 x 508)
MERV 8 disposable type
Table 9.1 Filters, number and size
9.1.1 Filter-replacement
1. Disconnect power from the unit.
2. Locate the filter in the filter box or air-distribution plenum, and remove the old filter(s).
3. Replace with new filter(s). If there are two filters, always replace both.
4. Test the operation of the filter clog switch, adjustable from the unit exterior.
The unit panels must be in place and closed to find this point.
5. Start the blower and turn the switch counterclockwise until the alarm is energized.
6. Turn the adjusting knob one turn clockwise or to the desired filter change point.
Vertiv | Liebert® Mini-Mate™ Installer/User Guide
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