14
IGBT D
IMMER
R
ACKS
Installation
& Operation
M
OUNTING
U
SING
V
IBRATION
I
SOLATION
F
ITTINGS
(
OPTIONAL
)
If racks will be bused, please see "Busing Racks" on page 17 before mount-
ing.
Vibration isolation fittings are available for floor mounting (Lightolier
Controls® part numbers CPPAD24 or CPPAD48).
1. Remove rack leveling feet.
2. Use
Figure 14
to mark hole placement on floor.
3. Align the center of the vibration fitting over the hole location. Mark the
positions of two fitting bolts for each vibration fitting.
4. Drill holes and attach fittings to floor with 5/16" bolts.
5. Slide rack into position.
6. Attach to floor vibration fittings using 3/8-16 UNC x 5/8" bolts as shown
in
Figure 13
.
Mounting the Rack (continued)
Figure 13: Attaching To Isolation Fittings
3/8-16 UNC x 5/8" bolt
3/8" flat washer
3/8" split-ring lock washer
Floor
Figure 14: Hole Placement
Isolation pads
9/16" holes
(in rack bottom)
REAR OF RACK
11/32" holes