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3. Installation
3.1 HOW TO INSTALL THE UNIT
CAUTION
• There are sharp edges that can cause serious cuts.
• When lifting the air conditioner, it is HEAVY.
Use 2 people to lift.
For existing sleeve, you should measure the wall sleeve
dimensions.
Install the new air conditioner according to these installation
instructions to achieve the best performence. All wall sleeves
used to mount the new air conditioner must be in good
structural condition and have a rear grille that securely
attaches to the sleeve or the flange of the sleeve to secure the
new air conditioner.
• To avoid vibration and noise, make sure the unit is installed
securely and firmly.
When installing the sleeve & Front grille, make certain there
is nothing within 20" back & front of sleeve & front grille,
that would interfere with heat radiation and exhaust air flow.
To maintain the best performance of LG PTAC
Recommended
1. An insulation strip must be attached to prevent the re-circulation of exhaust air to inward
side from the either side of condenser space. The insulation strip is provided with the box.
2. After assembly of sleeve & Front grille, the gap should be 20" from both sleeve & grille.
For assembly PTAC Model refer the diagram given below.
13-3/4"
1) Take out the insulation strip from the upper packing.
2) Attach the insulation strip onto the rear upper side of the wall sleeve.
3) To improve unit energy efficiency, it is recommended the change
of outside grille for an unit protection and an addition of a plastic
rear grille. (This is optional.)
4) Insulation strip prevents the exhaust air from re-entering from
either side of condenser space which may decrease the cooling
efficiency of condenser.
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
GRILLE
TOP VIEW
ROOM
42"
CABINET
Dimension of air conditioner
Dimension of sleeve assembly (optional)
16"
Wall opening 16-1/4"x42-1/4"
INSULATION
COOLED AIR
INTAKE AIR
1/4" Bubble
of the level
Over 20"
280 mm
(11")
- 17 -
1,066 mm
(42")
406 mm
(16")
349 mm
(13
3
/
")
4
505 mm
(20")
42"
1/2" SQ. HOLE (2 REQ'D.)
2-3/4"
1/2"
1-1/2" TYP
5-5/8"
6"
1/2" DIA.
21"
HOLE (3 REQ'D.)
36"
SLEEVE
WALL
HEAT
RADIATION
WALL
Over 20"
Insulation Strip
Front
Sleeve
Rear
LGE Internal Use Only
4"
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