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Frigidaire LRA18HMT20 Installation Instructions Manual

Medium (15-18.5k) + heavy duty (22-28.5k) air conditioner
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For Medium (15-18.5K) + Heavy duty (22-28.5K)Air
Conditioner
READ BEFORE INSTALLING
UNIT
To avoid risk of personal injury, property damage, or product damage due to the weight of this device and sharp
edges that may be exposed:
Air conditioners covered in this manual pose an excessive weight hazard. Two or more people are needed to
move and install the unit. To prevent injury or strain, use proper lifting and carrying techniques when moving unit.
Carefully inspect location where air conditioner will be installed. Be sure it will support the weight of the unit over
an extended period of time.
Handle air conditioner with care. Wear protective gloves whenever lifting or carrying the unit. AVOID the sharp
metal fins of front and rear coils.
Make sure air conditioner does not fall during installation.
If a new electrical outlet is required, have the outlet installed by a qualified electrician before installing unit.
NOTE: DO NOT USE ANY SCREWS OTHER THAN THOSE SPECIFIED HERE.
Preliminary
instructions:
window sash seal
Do the following
before starting to install unit. See illustrations
below.
Check dimensions
of your unit to determine
model type:
Heavy duty
Medium
Capacity:
22,000~28,500
BTU 15,000~18,500
BTU
Unit Height:
18-5/8"
17-5/8"
Unit Width:
26-1/2"
23-5/8"
Min. Window Opening:
19-1/2"
18-1/2"
Min. Window Width:
31"
26-1/2"
Max. Window Width:
42"
40-1/2"
1. Check window opening
size: the mounting parts
furnished with this air conditioner are made to install in
a wooden sill double-hung window. The standard parts
are for window dimensions listed above. Open sash to
a minimum of 19" (483mm). (FIG.l)
2. Check condition
of window:
all wood parts of window
must be in good shape and able to firmly hold the needed
screws. If not, make repairs before installing unit.
3. Check your storm windows:
If your storm window
frame does not allow the clearance required, correct by
adding a piece of wood as shown (FIG.2), or by removing
storm window while room air conditioner is being installed.
FIG.1
_--sash
l
19" min
1/2" min
inner sill |
safety lock and
3/4" long hex
head screw
foam gasket
washer head
locking
top angle
frame
(left)
storm window frame or
other obstruction
side retainer
1/2" tong
screws and
bottom rail
Iocknuts -_
seat to unit
%
/
Iocknut 3/4"\ rr_ _
window
• 1_
long flat
,,_.._
support bracket
head bolt
\
,=_
sill angle
U
"_
bracket
frame
assembly
(right)
FIG.2
_--sash
t
19" min
1/2" min
i1-1/2" min
/
-----f
inner sill
board thickness as
I
_
required, along entire inner
window sill; fasten to inner
storm window frame or
sill with two nails or screws.
other obstruction
2020218A0645

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Summary of Contents for Frigidaire LRA18HMT20

  • Page 1 For Medium (15-18.5K) + Heavy duty (22-28.5K)Air Conditioner READ BEFORE INSTALLING UNIT To avoid risk of personal injury, property damage, or product damage due to the weight of this device and sharp edges that may be exposed: Air conditioners covered in this manual pose an excessive weight hazard. Two or more people are needed to move and install the unit.
  • Page 2: Heavy Duty

    4. Check for anything that could block airflow Check area outside of window for things such as shrubs, trees, or awnings. Inside, be sure furniture, drapes, or blinds will not stop proper air flow. 5. Check the available electrical service Avoid fire hazard or electric Power supply must be the same as that shown on the unit serial shock.
  • Page 3: Window Mounting

    Window Mounting Remove Air Conditioner from Cabinet NOTE: Remove any packaging material from cabinet exterior. Pull down on front grille from upper edge. Lift front grille upwards and place to one side. (See FIG.l) Remove filter. To remove, grasp in the middle on each side. Bow filter out to detach top edge from tabs. Once top is free, lift filter up and out.
  • Page 4 FIG.9 Top window filler WINDOW FILLER TOP VIEW FIG.10 panel leg PANEL AIR CONDITIONER PLASTIC FRAME Bottom CKING "I" SECTION filler panel leg CREW HOLE WINDOW .SIDE RETAINER FILLER PANEL Place Cabinet in Window 1. Open window and mark the center of window inner sill as shown (FIG. 11). 2.
  • Page 5 Extend Window Filler Panels and attach to top angle rail: 1. Carefully raise window to expose filler panel locking screws on top angle rail. Loosen screws so filler panels slide easily. 2. Extend panels to fill window opening completely. Tighten locking screws on top (FIG. 16). 3.
  • Page 6: Installation

    Thru-The-Wall installation • Consult local building codes prior to installation, or a qualified carpenter. Select Wall Location This air conditioner slides out from its cabinet, so that it can be installed through an outside wall as explained below. Heavy duty Medium Max wall thickness 10"...
  • Page 7 4. Build a wooden frame withtheINSIDE dimensions ofyourmodel l isted above.(Measure t wiceremember...) Frame depthshouldbethesameaswallthickness. Fillinthespace fromtheopending tothestuds withwood spacers, a s shown. 5. Nail f rame to spacers t o spacers w ithfrontflushwithdrywall. • If wallthickness i s8-1/2" or more, a ddalumimum flashing overbottom offrame opening toassure nowatercan enterareabetween inner andouterwall.
  • Page 8 FIG.7 FIG.8 iiiiii!iii port b racket ill L-z/ _'Sillangle bracket _ Wooden strip 6. Install air conditioner into cabinet by following all steps in Step 9 of Window Mounting. OPTIONAL: Caulking and installation of trim on interior wall may be done. You can buy wood from your local lumber or hardware supply.

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