Instructions / Assembly

INSTALLATION: FRAMING

Using appropriately sized lumber (e.g. 2"× 6", 2"× 8", etc.) cut to t, frame in a rough opening from the living space

into the attic as shown below. Cut out the drywall inside of the framing to create the rough opening.

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Ifyourhome’sframingis16”on-center,theAirDoorwillnottthroughtheroughopeningcreatedabove:

an alternative access into the attic will be required. Additional framing will also be needed. To install this unit

on 16” framing, use appropriately sized lumber to create a “box” with interior dimensions of 22½" × 26½". Mount

this “box” atop the rough opening as shown below. The AirDoor installs within this “box.”

If your home’s framing is 16” on-center, a notch will need

to be cut in the Grille in order to accomodate the center

joist running accross the opening, as shown at right. DO

NOT CUT THE CENTER JOIST ITSELF.

INSTALLATION: AIRDOOR MOUNTING FLANGES

Mounting anges have been provided to assist you with installin the AirDoor within the rough opening. They can be

attached to the as shown below:

x16

Tamarack HV5500G Whole House Fan Installation Manual,

P/N HV5500G.1