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V3.0-03042019
Through the Wall Air Conditioner
Sleeve
Assembly Instructions
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WTCSLV
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Preparing for Assembly
Hardware List
Item
Description
Quantity 1 Top Panel
1 2 Bottom Panel
1 3 Left Side Panel
1 4 Right Side Panel
1 5 Front Cover Panel
1 6 Rear Cover Panel
1 7 Bracket
4 8 Clasp for Sleeve
4 9 Screws
28
10
Washer
8
General Instructions
If you are replacing an existing unit, remove the air conditioner and the wall sleeve according to the
manufacturer’s instructions.
For new installs, ensure the wall is properly framed to support the weight and dimensions of the wall
sleeve and air conditioner. Consult a licensed contractor as needed.
Prepare and install the new wall sleeve according to the instructions below.
The wall sleeve must be fastened securely before installing the air conditioner unit.
The wall sleeve should be installed a minimum of 4” from any heating source (i.e. radiator, baseboard
heater, etc.)
It is important that you use a high grade sealant / caulking product to seal around the wall sleeve once
it has been fastened properly to prevent air and water infiltration.
PLEASE CONSULT WITH A LICENSED CONTRACTOR FOR ANY QUESTIONS OR
CONCERNS RELATED TO THE PROPER WALL FRAMING REQUIREMENTS FOR
YOUR WALL SLEEVE AND THROUGH THE WALL AIR CONDITIONER.
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Assemble the Wall Sleeve
1. Use four (4) screws to fasten the side panels to the bottom panel as shown below.
2. Fasten the top panel with four (4) screws as shown below.
Important: This wall sleeve is intended for use with a through the wall style air conditioning unit only
and cannot be used with a window mount style air conditioner. Use of a window style air conditioner
(side vented) inside of a wall sleeve designed for a through the wall style air conditioner (rear
vented) will result in performance issues and may result in unit failure.
Note: The arrows on the bottom panel point to the interior side of the wall sleeve.
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3. Insert the four (4) plastic clasps into the square openings as shown below.
4. Insert the louvered rear grill or expanded rear grill (included with the your air conditioner unit
that you purchased separately) and fasten four (4) screws with four (4) washers as shown
below.
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5. Install two (2) brackets on top of the sleeve and one (1) bracket on each side of the sleeve and
fasten with four (4) screws. There are two options for installing the brackets which are shown in
the image below. Figure A and Figure B below show 2 alternative bracket placement options
where the brackets are secured either to the interior wall (Figure A) or to the exterior wall (Figure
B). Choose the option that best suits your installation setup and be sure to use all four (4)
brackets to ensure proper installation.
6. Install eight (8) additional screws for added security as shown below.
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7. Slide the assembled wall sleeve into the wall opening as shown below.
8. After the wall sleeve has been secured properly to the wall it is important that you seal any
remaining openings or cracks with a high grade caulking product in order to eliminate all points
of possible air or water infiltration.
9. Install the air conditioner according to the manufacturer’s instructions.
Note: Use a carpenter’s level to ensure that the wall sleeve is level from front to back and left to
right.
Note: Secure the wall sleeve to the wall using fasteners (not included) that are appropriate for the
type of wall in your home. Typically, wood screws (for wood constructed buildings) or masonry
screws (for cement or brick constructed buildings).
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Additional Instructions
When the air conditioner will not be in use for an extended period of time or if the air conditioner
unit needs to be removed for any reason you may use the provided front and rear cover panels to
enclose the wall sleeve opening.
1. Remove the air conditioner from the wall sleeve.
2. Remove the louvered rear grill or expanded rear grill by removing four (4) screws.
3. Install the Rear Panel Cover and fasten it with four (4) screws.
4. Install the Front Panel Cover and fasten it with four (4) screws.
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