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18
Install Vent System
WARNING
Excessive Weight Hazard
Use two or more people to move and install
downdraft vent.
Failure to do so can result in back or other injury.
1. Place cardboard or similar material on top of a flat surface
where you can easily assemble the downdraft vent system.
2. Remove parts packages, downdraft vent, and blower box
from the carton.
3. Remove all shipping materials, tape, and film from the
downdraft vent and blower box.
4. Measure distance “X” from the cabinet floor to the top of the
countertop. Subtract 28
1
/
2
" (72.4 cm) from distance “X” to
determine dimension “Y” (X - 28
1
/
2
= Y).
5. Attach the support legs to the side of the vent box with
4 - 4 x 8 mm screws in each support leg. Adjust to dimension
“Y” from the bottom of the vent box to the bottom of the
support legs. Tighten screws.
Determine Which Vent Direction Is Best for
Your Installation
When installed in a cabinet, vent system can exhaust through
the bottom, left, or right of the cabinet. The downdraft vent is
shipped with a 10" diameter vent collar plate.
Front or Rear Venting:
1. Using 2 or more people, place the downdraft vent system on
the opposite side for venting.
2. Remove the 4 screws from the cover plate mounted
to the face of the motor box and set them aside.
Cabinet floor
Top of countertop
Downdraft vent
“X”
“Y”
28¹⁄₂"
(73 cm)
A
B
Dim.
“Y”
C
A. Motor box
B. Support leg
C. 4 x 8 mm screws (4)
3. Slide the cover plate up and slip it over the keyhole slot
shoulder screws. Set the cover aside.
4. Install the 10" diameter vent collar plate to the vent box
where the cover plate was removed in the previous step.
Secure using the 4 screws from the cover plate.
5. Go to the “Complete Installation (Exterior-Mounted Motor)”
section.
Complete Installation
(Exterior-Mounted Motor)
1. Remove 4 screws attaching the terminal box cover.
2. Determine which direction (front or rear) the home power supply
cable and the wiring conduit from the in-line blower system will
enter the terminal box. Remove the appropriate knockout from
the front or rear panel and install two
1
/
2
" (12.7 mm) UL listed or
CSA approved conduit connectors.
3. Using 2 or more people, insert the downdraft vent into the
countertop cutout. Position downdraft vent so it is centered
in the cutout with the rear flange over the edge of the cutout
and the rear of the vent box against the edge of the cutout.
A
A. Terminal box cover
A
C
B
D
E
F
G
A. Rear flange of downdraft vent
B. Edge of cutout in countertop
C. Rear of downdraft vent
D. Cabinet back
E. Lower support leg
F. Cabinet floor
G. Countertop
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