Installation
3.3.10 Attach the Supply Air Grill and the Return Air Grill to the Wall
The supply and return air grills should be installed at the holes inside the shelter as shown below:
Figure 3-6 Install Supply and Return Air Grilles
1. Install the supply and return air frames (and exhaust air frame for 28V1) into their respective cutouts.
2. Use adhesive tape to tape down the edges of the return and supply air frames on the WPU side.
3. After installing the supply air grill, adjust the angle of the fins to direct airflow away from adjacent
equipment and prevent the supply air from bouncing back to the unit.
3.3.11 Remove the Compressor Brackets
Open the front, bottom panel on the WPU to locate the compressor. The two brackets at the base of the
compressor are required for transport only. Loosen the four bolts, remove the two brackets, and then tighten
the four bolts back down to the base of the compressor.
Figure 3-7 Remove Compressor Brackets
brackets, then
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