Installation Guide

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16. DUCTING CONNECTION (ALL BLOWERS)
A. When there is access to the top of the hood, connect ductwork and seal connections with
duct tape after Step 17 Install the insert.
B. When there is no access to the top of the hood, carefully pull down the metal duct
through the custom hood base hole. Slide this duct over the transition (interior blower) or
over the flange of the rough-in plate (in-line or exterior blower). Make sure the
adapter/damper assembly enters the ducting. Seal the connection with duct tape.
HD0092
17. INSTALL THE INSERT
If an optional wall control will be installed, refer to
its installation instructions now. When done,
continue the insert installation.
Install the insert inside the custom hood and
secure to the frame by using the no. 8 x 3/4”
mounting screws provided. Start with 4 screws on
top and finish with 2 on rear side. (See figure
beside for mounting screw specific locations.)
18. INSTALL THE BLOWER (INTERIOR BLOWER)
The blower must be installed to the rough-in plate using (6) no. 8 x 3/8” screws for the single blower unit and (8) no. 8 x 3/8” screws for
the dual blower unit. Remove the cover from the blower assembly. Remove the impeller(s) by pulling them out gently (see pictures below).
HD0021
HD0022
HD0085
TOP
REAR
CAUTION
Take care not to kink ducting when installing insert (step 17).
CAUTION
Take care not to kink ducting when installing insert.