Equipment Inspection and Handling
43
5.3 Semi-Hermetic Compressor Spring Isolation System
Shipping blocks under all semi-hermetic compressors must be removed and the springs must be
adjusted before startup.
1. Loosen nuts at each of the four compressor feet and remove the two shipping blocks.
2. Beginning with one compressor foot, retighten nut until the washer under the nut can no longer
be rotated by finger.
3. Loosen the nut half a turn. The washer will be slightly loose.
4. Repeat for remaining feet and recheck all when done
5.4 Placing the Unit on a Floor Stand
Liebert Floor Stand—Ensure that the optional turning vane is installed in the floor stand (if
included) prior to placing the unit. Refer to the floor stand installation sheet, 182278P1, located inside
the floor stand package. Lower the unit onto the floor stand. Refer to Detail A in Figure 38. Be sure
to align the welded tabs on top of the floor stand with the inside of the unit frame base.
Figure 38 Setting the unit on a floor stand
NOTE
The floor stand for Liebert DS units equipped with EC fans is not symmetrical. Its orientation
to the Liebert DS unit is critical for lowering the EC fans. Unless the floor stand is installed in
the correct position, shown in Figures 24 and 26, the fans will not lower into the floor stand.
Liebert Floor Stand
(front discharge shown)
A
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