8.2.1 Replacing the Filters
WARNING! Risk of contact with high-speed moving parts. Can cause injury or death. Open all
local and remote electric power-supply disconnect switches, verify with a voltmeter that power
is off, and verify that all the fan blades have stopped moving before working in the unit.
1. Enter the unit through the service access door, and locate the supply-side air filters in front of
the heat exchanger.
2. Using the slot on the filter rack, shown in the following figure, remove all 30 filters:
3. Referring Figure 8.2 below, install the new air filters in each column as follows:
• At the slot, insert the bottom 2 filters.
• Add filters, and slide them upward until the column is filled.
• The last filter is installed in the slot in the column.
Figure 8.2 Supply-fan air filters in the rack
Item Description
1 Slot in filter rack
8.3 Evaporator Fan Maintenance
Consult the factory for fan/blower/inverter maintenance. Do not attempt to service or remove the fans
without first contacting Vertiv support at 1-800-543-2778.
8 Maintenance 29
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