Liebert Precision Cooling System DS - Manual (Page 51)

Equipment Inspection and Handling
41
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 36. Be sure
to align the welded tabs on top of the floor stand with the inside of the unit frame base.
Figure 36 Setting the unit on a floor stand
Upflow rear return configurations use a filter box that attaches to the back of the Liebert DS. Refer to
rear return installation sheet, 187230P1, located inside rear-return filter box package.
A
DETAIL A
Welded Tab
Liebert Floor Stand
(front discharge shown)
A