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Installation
Liebert
®
GXT3
™
12
2.4.2 Rack Installation
To install a Liebert GXT3 UPS in a rack:
1. Unpack the two bracket assemblies and mounting hardware from the rack-mounting kit
(P/N: RMKIT18-32). Bracket assembly includes inner member, front member and rear member.
They are interchangeable between left-hand and right-hand. Mounting hardware includes M4
screws and M5 screws.
2. Remove inner member of each bracket assembly by extending it to its outermost position,
depressing the retaining latch and then pulling the inner member from the bracket assembly (see
Figure 10).
Figure 10 Pulling inner member from each bracket assembly
3. Determine the desired height and mounting position of the Liebert GXT3 inside the rack’s vertical
rails.
4. Attach the rear member of each bracket assembly to the rack’s vertical rails with two factory-
supplied M5 screws (see Figure 11).
NOTE
• When the Liebert GXT3 is installed in a rack, the UPS must be supported by a shelf,
brackets, or slide rails on each side. The factory-supplied rack-mount ears cannot support
the weight of the UPS. They are used to move the UPS into and out of the rack and attach the
UPS to the rack.
• Mounting hardware and slide rails are sold separately. Contact your local dealer or
Emerson
®
representative for these options and any assistance.
!
CAUTION
Reduce risk of tipping the rack by installing the Liebert GXT3 in the lowest possible rack
position.
Inner member
Bracket assembly
P
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l
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Retaining latch