STEP 1: Preparation of the wall
Main stud
Jack studs
42
16¼" Min.
1
16
/
42 ¼" Min.
4
Cripple
Jack studs
NOTE: Use lintel to support brick, block, etc., above
the air conditioner case. (If directly under a window
sill, the use of a lintel may not be necessary.)
Dimensions*
Installation Instructions
Header - 4" x 4" or
two 2" x 4" on edge
1
Adjust
/
2
framing to
secure these
dimension
"D"*
(
*See chart
on page 1)
Case Dimensions
RAB7120B RAB7124B
STEP 2: Preparation of the RAB81 only case
Assemble Wall Sleeve
2. Locate left side panel.
4. Locate top panel and
and left side panels.
2
STEP 3: (Optional) RAB81, RAB81B
Case angles
NOTE: Do not drill any holes in the bottom of the case.
Roomside
Case angle
Block
2
Front View
Front View
Front View
Front View
1
3
Weather Barrier
4
Rear View
Case
Brick