Vertiv Liebert Mini-Mate MT036, Installer/User Manual

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Figure 6.1 Installing threaded rods and hardware of ceiling-mounted units
Item Description Item Description
1 3/8-in. threaded rod, field-supplied 6 Isolator
2 3/8-in. hex nut 7 3/8-in. fender washer
3 3/8-in. washer 8 3/8-in. hex nut
4 Sleeve 9 3/8-in. Nylock locking nut
5 Bracket on unit 10 Unit base pan (reference)
6.2 Installing Air-distribution Components for Evaporators
Your indoor units may include filters, ducting, plenums, and grilles. Refer to the appropriate installation
procedures included with each optional kit.
6.2.1 Installing a Filter Box for 4-ton and 5-ton Models
The optional filter box attaches directly to the return-air opening of the evaporator.
• For return-air opening, the filter box includes a duct-flange connection with two MERV 8 filters
(per ASHRAE 52.2-2007), 20 in. x 20 in. x 4 in. (508 mm x 508 mm x 102 mm).
• For the supply-air opening, a duct flange is included for ducted supply air.
NOTE: Do not operate the unit without filters installed in return air system.
6.2.2 Installing a Filter Box for 3-ton Models
The optional filter box attaches directly to the return-air opening of the evaporator.
• The filter box includes one MERV 8 filter (per ASHRAE 52.2-2007), 20 in. x 20 in. x 4 in.
(508 mm x 508 mm x 102 mm).
NOTE: Do not operate the unit without filters installed in return air system.
6.2.3 Installing an Air-distribution Plenum for 3-ton Models
The optional plenum fastens to the bottom of the evaporator and provides three-way air distribution. The
plenum includes a MERV 8 filter (per ASHRAE 52.2-2007), 16 in. x 25 in. x 4 in. (406 mm x 635 mm x
102 mm).
• When using the plenum, mount the evaporator above the bottom of the T-bar supports with at
least 30-in. (762 mm) clearance from return-air end to wall (for replacing filter).
• Follow the installation instructions included with the plenum kit.
Vertiv | Liebert® Mini-Mate™ Installer/User Guide
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