Installation in Knurr Rack—Vertical, Zero-U Mount
5
2.0
I
NSTALLATION
IN
K
NURR
R
ACK
—V
ERTICAL
, Z
ERO
-U M
OUNT
A Liebert MPH can be installed in a Knurr rack on the frame members using field-supplied Knurr
hardware. The unit can be installed on the face or the side of frame members.
2.1
Mounting Hardware and Tools Required
Factory-Supplied
• Brackets: 2
• Screws, 6-32 x 1/4": 8
Field-Supplied
• Spring-nuts, supplied with Knurr rack
• fasteners, supplied with Knurr rack
• Phillips screwdriver
2.2
Install a Liebert MPH in a Knurr Rack
Determine where in the Knurr rack the Liebert MPH will be installed and follow the applicable
instructions below. Installation requires attaching two brackets to the Liebert MPH, inserting four
spring nuts into the rack and using the brackets to attach the Liebert MPH to the rack. Refer to
Figures 2
,
3
and
4
. (Refer to
Table 2
for the dimensions of the Liebert MPH.)
The bracket is intended for attaching the Liebert MPH to the face of a frame member.
1. Use four of the 6-32 screws to attach a bracket to each end of the Liebert MPH. The supplied
brackets have four holes that match holes on each end of the Liebert MPH.
• If mounting on horizontal frame members, attach the brackets in-line, as shown in the left side of
Figure 2
.
• If mounting on avertical frame member, attach the brackets at a right angle to the Liebert MPH
as shown in the right side of
Figure 2
.
2. Tighten the screws firmly.
3. Insert two spring nuts into the appropriate T-slot on the frame member.
Position the spring nuts to accommodate screws inserted through slots in the brackets. To move
the spring nuts, press down on each with a small, pointed object and slide each into position.
4. Hold the Liebert MPH in place and attach the top of the unit to the rack with tool-less fasteners.
5. Tighten the screws firmly.
6. Repeat
Steps 3
through
5
for the lower bracket on the lower end of the Liebert MPH.
Figure 2
Attach brackets to the Liebert MPH
90-Degree Bracket
Attachment on Liebert MPH
(used for mounting on a vertical
frame member)
In-Line Bracket
Attachment on Liebert MPH
(used for mounting on horizontal
frame members)
