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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, make certain there is nothing
within 20" of the back that would interfere with heat radiation
and exhaust air flow.
To maintain the best performance of LG
NOTICE
PTAC
1. An insulation strip must be attached. 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.
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) If anyone would like 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.)
Copyright ©2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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")
- 22 -
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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