Engineering Manual

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DUCT (HIGH STATIC) INDOOR UNITS
If the unit is installed near a body of water, certain components are at risk of being corroded. Appropriate anti-corrosion methods should be
taken for the unit and all components.
Installing in an Area Exposed to Unconditioned Air
In some installation applications, areas (floors, walls) in some rooms may be exposed to unconditioned air (room may be above or next to an
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• Verify that carpet is or will be installed (carpet may increase the temperature by three degrees).
• Add insulation between the floor joists.
• Install radiant heat or another type of heating system to the floor.
Installing in an Area with High Humidity Levels
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• Seal all gaps between the indoor unit and the ceiling tiles (make the area air tight) so that humidity does not transfer from the plenum to the
conditioned space. Also, add a ceiling grille for ventilation.
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Dimensions.
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Drain hole
A
B
CD
G
H
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23-5/8 inches x 23-5/8 inches
23-5/8
inches
39-3/8 inches
H = ≥25/32 inches
23-5/8
inches
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Dimensions (inches)
A % CDEFGH I
/0+1+9
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DUCT (HIGH STATIC) | 113
Ceiling-Concealed Duct (High Static)
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