GE RAB77B Installation Instructions Manual page 3

STEP 2 (cont.)
Installation of the case in the wall opening
Jack stud
Choice of attachment devices through
both ends of case or the top. Mounting
Main stud
screw holes and attachment devices by
installer.
No holes permitted in bottom of case
(exception—RAD10 internal drain kit).
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.
Wood screw
Molly or toggle bolt
Expansion
anchor bolt
Power
activated nail
(see note)
STEP 3
Weatherproofing
Weatherproof gaps between the exterior and
interior walls and the case with caulking or
equivalent weatherproofing material.
Caulk*
Roomside
Finished
floor or top
of carpet
Caulk*
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
is not used, flashing must be installed under
flashing must include a drip rail as illustrated in
the figure below.
Case
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
Steel lintel
Caulk*
Outdoor
Case
grille
Flashing
Drip rail
Caulk*
Outdoor
grille
Flashing
Caulk*
Drip rail