Chapter 2: Installation
Physical Installation
Page 18
Note the following:
1. Install the supply and return air frames into their respective cutouts.
2. Use an 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 bounce-back of supply air. Adjust the fins first up and down; then, left and right.
Refer to Figure 23: Frame Dimensions on page 73 and Table 31 on page 74 for each model.
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 12: Remove Compressor Brackets
Tin-coated paper
(Table 5)
Return air frame and supply air frame
(Table 5)
Return air grill
(Table 4)
Supply air grill
(Table 4)
brackets; then
refasten the bolts
Remove the two
brackets; then
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