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Installing the Fan
Step 1 - Cut the Hole
Begin by removing roof tiles in the area where the roof curb will be
installed. Find the closest rafter to that location and determine if
your roof has either 16" on center or 24" on center rafter spacing.
If your roof has 24" on center rafter spacing, find the center point
between two rafters and mark it as the center of the vent hole. For
roofs with 16" on center spacing, mark the rafter itself as the center
of the vent hole. Using the center point mark as a reference point,
trace out a 20" x 20" square around the center point. Next, use
a reciprocating saw to cut out the traced pattern from the roof
decking. Remove the cut out decking material from around the
hole as needed.
ATTENTION:
STRUCTURAL MEMBERS WHILE CUTTING THE VENT HOLE.
ONLY CUT OUT THE ROOF DECKING.
Step 2 - Install the Roof Curb
Install your Attic Breeze AB-004 roof curb installation kit per the
included instructions. When complete, please proceed to the
next section. If installing an as-built or third party roof curb box
and flashing system, the roof curb should be constructed with
dimensions of 23 ½" x 23 ½" x 6" and designed to support a weight
load of at least 30 LBS. Please consult your roof curb provider for
proper installation and flashing instructions.
Mount your roof curb to the framing structure or decking of the roof
as required. Remove battens as needed in order to mount the roof
curb flush to the decking. Position the roof curb over the vent hole,
squaring the curb with your roof tiles. Securely fasten the roof curb
in place and replace roof tiles as needed up to the installed curb.
Secure the tiles as needed and flash in the roof curb installation as
required for your choice of flashing system.
Step 3 - Remote Mounted Solar Panel
If your Attic Breeze fan is equipped with a unit mounted (attached)
solar panel, please proceed to the next section. For Attic Breeze
models featuring a remote mounted solar panel, the solar panel
will be mounted prior to installation of the fan unit. Begin by
locating the power cable included with your Attic Breeze solar attic fan. Make sure the power cable is long enough to
reach the location where the remote solar panel will be installed.
If additional power cable length is needed for your installation, Attic Breeze offers a 25 foot extended power cable as an
available option.
Route the power cable through the attic, starting from the vent hole area to the location where your remote solar panel
will be installed and secure the power cable in place. The power cable may be routed out of the attic by bringing
the cable through an existing passive vent, penetrating a gable wall and running the cable along the roof eve, or
simply routing the power cable directly through the roof. When making any wall or roof penetration, caulk around the
penetration using a roof-grade weatherproof sealant. Install the solar panel mounting brackets per the instructions
included with your specific Attic Breeze bracket kit. Plug in the power cord to the connector on back of the remote solar
panel and securely mount the solar panel/bracket assembly as required to your roof or structure.
DO NOT CUT THROUGH ANY RAFTERS OR
Figure 1 - Cutting the Hole
Figure 2 - Installing the Roof Curb