2
Installation Instructions
STEP 1: Preparation of the wall
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1
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2
16
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4
Main stud
Jack studs
Jack studs
Cripple
Adjust
framing to
secure these
dimension
(
*See chart
on page 1)
Header - 4” x 4” or
two 2” x 4” on edge
16¼” Min.
42 ¼” Min.
“D”*
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.)
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Dimensions*
Case Dimensions
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STEP 2:
Preparation of the RAB81 only case
Assemble Wall Sleeve
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2. Locate left side panel.
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4. Locate top panel and
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and left side panels.
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STEP 3: (Optional) RAB81, RAB81B
Case angles
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NOTE: Do not drill any holes in the bottom of the case.
Roomside
Case
Case angle
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Block
Brick
Front View
Front View
Front View
Front View
4
3
2
1
Weather Barrier
Rear View
