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Installation Manual /
CASSETTE - FLOOR-CEILING - DUCTED UNITS
10 INSTALLATION OF THE FLOOR-CEILING INDOOR UNIT
• Drilling for piping
Select piping directions.
WARNING!
Install the drain hose at the rear, it should not be
installed on the top.
When the directions are installed, drill a 1/8" (80 mm) or
6" (150 mm) dia. hole on the wall so that the hole is tilted
downward toward the outdoor for smooth water flow.
Wall
Indoor
side
• Drilling holes for anchor bolts and installing the anchor bolts
With a concrete drill, drill four /8" (9,5 mm) dia. holes.
Insert the anchor bolts into the drilled holes, and drive the
pins completely into the anchor bolts with a hammer.
• Installing hangers
Spring
washer
Nut
Hanger
(left)
Install the hangers with nuts and spring washers.
• Installing indoor unit
Top
Rear
(install
the drain
hose in this
direction)
1/4" (6 mm)
Outdoor
side
Bracket
Hanger
(right)
Reset the bolts as shown below.
Apply the indoor unit to hangers.
Indoor
unit
Now, securely tighten the bolts in both sides.
Bolt
• Installing Drain Hose
Be sure to arrange the drain hose so that its level lower than the
drain port of the indoor unit.
WARNING!
Always check that the drain cap is installed to the
Arrange the drain hose
lower than this portion
OK
unused drain port and is fastened with the nylon
fastener. If the drain cap is not installed, or is not
sufficiently fastened by the nylon fastener, water may
drop during the cooling operation.
5/16" to 1/"
(8 to 1 mm.)
Hanger
Indoor unit
Drain
hose
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