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Frigidaire LRA18HMT20 Installation Instructions Manual page 4

Medium (15-18.5k) + heavy duty (22-28.5k) air conditioner
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FIG.9 Top window filler
panel leg
WINDOW FILLER
PANEL
Bottom
filler panel leg
.SIDE RETAINER
Place Cabinet
in Window
FIG.10
TOP VIEW
AIR CONDITIONER
"I" SECTION
PLASTIC
FRAME
CKING
CREW HOLE
WINDOW
FILLER
PANEL
1. Open window and mark the center of window inner sill as shown (FIG. 11).
2. Place cabinet in window with cabinet bracket securely seated over edge of inner sill as shown
in FIG. 12. Bring window down temporarily behind top angle rail to hold cabinet in place.
3. Shift cabinet left or right as needed to line up center of cabinet on center line marked on inner
sill.
4. For wooden window:
Fasten cabinet to window inner sill with two 3/4" long hex head screws
.
FIG.12
Angle of cabinet
i
bracket securely seated
Iq._
on edge of inner sill.
_binet
w 'neUr°_, t winldow F
Bracket
outer sill
into holes (FIG.13A). (You may wish to pre-drill pilot holes.)
For Vinyl-Clad
window:
Place two safety locks into the holes located in the bottom of
the cabinet and drive two #10Xl/4"
pan-head Phillips locking screws through the safety locks
into the cabinet as shown (FIG.13B).
Remove protective strip from adhesive side of Bottom Rail Foam Seal.
Apply Seal over screws fastening bottom rail to window inner sill.
.. .......... "-.
,""!!'11
FIG.13B
FIG.1 3A
1 /
3/4" long
!
HEX-HEAD'
\
SCREW
',..
Install
Support
Bracket
l__
Side Louvers
Sill Angle Bracket
Window Silt
A. #10 X 1/4" pan-head P'h'i]]ip'sscrews
B. Safety Lock (Only for Vinly-Clad Window)
C. Bottom Rail Foam Seat
FIG.15A
MARb
1. Hold each support bracket flush against outside of sill and tight to bottom of cabinet. Mark brackets at top level of
sill. Mark cabinet bottom at distance of sill width. See Fig. 15 A. Remove support brackets.
2. Attach sill angle brackets to support brackets at marked positions with flat head bolts and nuts. Hand tighten only
at this point. See Fig. 15B.
3. Insert 1/2" long bolts through appropriate holes in cabinet bottom given the sill width distance. Thread the bolts into
the slots of the support brackets. Tighten lock washer nuts onto bolts.
4. Adjust height of sill angle bracket so that bracket rests securely on edge of sill, and so that cabinet has the correct
5/8" to 3/8" downward tilt for proper water drainage (see Fig. 14). Tighten nuts securely.
FIG.14
Window Sash
FIG.15B
_
1/2" LONG SCREWS
5/16"- 3/8" L
LE?
_;_
_AND LOCKNUTS
LOCKNUT_ _
/_'
SlLLANGLE
"_2//
1/2" LONG
BRACKET _,[_/
FR,GHT
SCREWS AN[
FLAT HEAD BOLT
LOCKNUTS
2 EACH REQ'D FOR EACH
SUPPORT BRACKET

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