
Installation—Mechanical
22 UV-SVN03F-EN
7. Set the unit into selected location and adjust leveling
legs if necessary to ensure level fit.
Note: Care
should be taken when handling the unit to
ensure that the front return air grille does not
bend.
8. Push the unit tightly against
the wall to compress the
seal on the back edge of the unit and intake opening.
Anchor the unit by using the 1/2 in. mounting holes in
bo
th end pockets.
Units containing a falsebac
k: The falseback unit
ventilator contains mounting holes located on the
falseback metal. Use these holes rather than the holes
located in the unit’s end pockets.
Note: Ensure the unit is level. Coils and drain pans
inside the unit are pitched properly for draining
before shipment.
9. Ensure the unit rests tightly ag
ainst the wall. Check for
proper seal and that air does not leak underneath the
unit.
Subbase (Option)
A subbase may be used to increase the unit height and aid
in leveling the unit. The subbase is shipped separately for
field installation. Slots and leveling screws are provided
on the subbase.
1. Remove the leveling legs provided with the unit (see
Figure 12).
Figure 11. Mounting hole location
ABCDEF
075 Standard unit (no falseback) 1.31 13.50 2.75 66.39 10.38 45.64
Standard falseback 1.00 2.13 26.00 67.00 10.00 47.00
29 in. stepdown falseback 1.00 2.13 24.44 67.00 10.00 47.00
28 in. stepdown falseback 1.00 2.13 23.44 67.00 10.00 47.00
27 in. stepdown falseback 1.00 2.13 22.44 67.00 10.00 47.00
26 in. stepdown falseback 1.00 2.13 21.44 67.00 10.00 47.00
25 in. stepdown falseback 1.00 2.13 20.44 67.00 10.00 47.00
100 Standard unit (no falseback) 1.31 13.50 2.75 78.39 10.38 57.64
Standard falseback 1.00 2.13 26.00 79.00 10.00 59.00
29 in. stepdown falseback 1.00 2.13 24.44 79.00 10.00 59.00
28 in. stepdown falseback 1.00 2.13 23.44 79.00 10.00 59.00
27 in. stepdown falseback 1.00 2.13 22.44 79.00 10.00 59.00
26 in. stepdown falseback 1.00 2.13 21.44 79.00 10.00 59.00
25 in. stepdown falseback 1.00 2.13 20.44 79.00 10.00 59.00
125 Standard unit (no falseback) 1.31 13.50 2.75 90.39 10.38 69.64
Standard falseback 1.00 2.13 26.00 91.00 10.00 71.00
29 in. stepdown falseback 1.00 2.13 24.44 91.00 10.00 71.00
28 in. stepdown falseback 1.00 2.13 23.44 91.00 10.00 71.00
27 in. stepdown falseback 1.00 2.13 22.44 91.00 10.00 71.00
26 in. stepdown falseback 1.00 2.13 21.44 91.00 10.00 71.00
25 in. stepdown falseback 1.00 2.13 20.44 91.00 10.00 71.00
150 Standard unit (no falseback) 1.31 13.50 2.75 102.39 10.38 81.64
Standard falseback 1.00 2.13 26.00 103.00 10.00 83.00
29 in. stepdown falseback 1.00 2.13 24.44 103.00 10.00 83.00
28 in. stepdown falseback 1.00 2.13 23.44 103.00 10.00 83.00
27 in. stepdown falseback 1.00 2.13 22.44 103.00 10.00 83.00
26 in. stepdown falseback 1.00 2.13 21.44 103.00 10.00 83.00
25 in. stepdown falseback 1.00 2.13 20.44 103.00 10.00 83.00
WARNING
Improper Unit Lift!
Test lift unit approximately 24 inches to verify proper
center of gravity lift point. To avoid dropping of unit,
reposition lifting point if unit is not level. Failure to
properly lift unit could result in death or serious injury
or possible equipment or property-only damage.
UV-SVN03_.book Page 22 Thursday, January 24, 2013 5:27 PM
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