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Condition1: Install the back grille to the Wall-sleeve (Prior Suggestion)
1, Identify the wall-sleeve brand for your preparing, from the below chart.
Type
Standard Dimension
NOTE
a, All wall sleeves used to mount the new air conditioner must be in sound structural condition and have a rear grille
that securely attached to the sleeve, or rear flange that serves as a stop for the air conditioner.
b, If you choose other wall-sleeve, be sure the dimension is suitable for the product.
c, The wall-sleeve you selected must be installed fasten to the wall with screw.
d, When do the performance testing, we suggest cancel the wall-sleeve, and install the new back grille with the new
unit, to avoid the wrong installation worse affect.
2, Prepare the Wall-sleeve before installation the unit.
(1) Remove old Air Conditioner from wall sleeve and pre-
pare as followings:
a, Clean interior (Re-stick the seals if necessary).
b, Check the wall sleeve be securely fastened in wall be-
fore installing. Add more nails or screws if needed.
c, Repair painted surface if needed.
(2) Remove the back grille.
Important: The old intake grille must be removed and re-
placed by the dual intake grille included with the TTW unit.
Warning: When removing the grille, protect from falling by
securing with a leash. Fasten by strapping looped through
the grille and secured with a knot. Holding the grille by the
leash with one hand the retaining screws can be removed
and the grille can be brought inside through the front of the
sleeve.
(3) Check the grounding wire hole.
a, If it does not exist, drill a 3/16'' pilot hole through the left
hand side of the sleeve, in a clear area about 3 inches max
deep from the front edge as below.
b, Fasten the grounding wire with screw to the drilled hole,
and pull the loose end of the ground wire out of the front of
the sleeve and bend it away from the opening. This will be
attached to the air conditioner once installed.
Wall-sleeve Dimensions
Height
15
4''
3, Replace the back grille.
a, Remove the old grille, and install with the dual intake
coming with the TTW unit. Take attention the remark on
the new back grille (if it appears).
b, Put the [OUTSIDE] remark toward to the back side of
wall-sleeve, and let the arrow remark toward upside.
c, Be sure that, from the back side of the wall-sleeve,
the seven inlet opening should be at left, and the eight
inlet opening should be at right.
d, Place the grille included with your new air conditioner
towards the inside rear of the sleeve. Fasten together
with the wall-sleeve by four screws.
Left intake
Seven Opening
70
Left intake
Seven Opening
6
Width
25
''
New Dual Intake Grille
Right intake
Eight Opening
70
70
50
50
Right intake
Eight Opening
TOP VIEW from the unit
Depth
''
''
70
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