STEP 3
Weatherproofing
Weatherproof gaps between the exterior and
interior walls and the case with caulking or
equivalent weatherproofing material.
NOTE:
* It is critical to caulk around perimeter of wall
case on all four sides on the outside and the
roomside where it joins the building to prevent
air and water infiltration.
For installation in extra thick walls
1.
If the case is being installed in a thick wall,
where the case is recessed more than 3”, a case
extension with splitters aligned with the chassis
condenser end sheets must be used.
2.
If the case is being installed in a wall where the
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is not used, flashing must be installed under
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flashing must include a drip rail as illustrated in
the figure below.
NOTE:
* It is critical to caulk around perimeter of
wall case on all four sides where it joins the
building to prevent air and water infiltration.
3
Outdoor
grille
Drip rail
Case
Caulk*
Flashing
STEP 2 (cont.)
Installation of the case in the wall opening
3.
Caulk the entire opening on the outside between
the case and the building exterior.
4.
Caulk the entire opening on the inside between
the case and the building interior.
NOTE:
When using an explosive actuating fastening
tool, a special nail (Ref. Ramset #1516SD
drive pin 2-1/2” lg. - 9/64” dia. with 7/8” dia.
steel washer) should be used. No equipment
or method should be used that is not in
compliance with Federal Register Volume 39,
No. 125 or
American National Standard
Safety Requirements for Power Actuated
Fastening System (ANSIA 10.3-1977)
Power Level of the case load should not be
greater than power level 1 identified by a load
color gray.
Jack stud
Main stud
Wood screw
Molly or toggle bolt
Expansion
anchor bolt
Power
activated nail
(see note)
No holes permitted in bottom of case
(exception—RAD10 internal drain kit).
Choice of attachment devices through
both ends of case or the top. Mounting
screw holes and attachment devices by
installer.
Outdoor
grille
Case
Roomside
Steel lintel
Caulk*
Flashing
Drip rail
Caulk*
Caulk*
Finished
floor or top
of carpet
Caulk*
