18 Room Air Conditioner
Installation
Connection of Piping Indoor
• Preparing the indoor unit's piping and drain hose
for installation through the wall.
• Remove the plastic tubing retainer(see illustration
below) and pull the tubing and drain hose away
from chassis.
• Replace the plastic tubing holder in the original
position.
For right rear piping
1. Route the indoor tubing and the drain hose in
the direction of rear right.
2. Insert the connecting cable into the indoor unit
from the outdoor unit through the piping hole.
• Do not connect the cable to the indoor unit.
• Make a small loop with the cable for easy
connection later.
3. Tape the tubing, drain hose, and the connecting
cable. Be sure that the drain hose is located at
the lowest side of the bundle. Locating at the
upper side can cause drain pan to overflow
inside the unit.
If the drain hose is routed inside the
room, insulate the hose with an insula-
tion material* so that dripping from
"sweating"(condensation) will not dam-
age furniture or floors.
*Foamed polyethylene or equivalent is recom-
mended.
4. Indoor unit installation
• Hook the indoor unit onto the upper portion of the
installation plate.(Engage the two hooks of the rear
top of the indoor unit with the upper edge of the
installation plate.) Ensure that the hooks are prop-
erly seated on the installation plate by moving it
left and right.
Press the lower left and right sides of the unit against the
installation plate until the hooks engage into their
slots(clicking sound).
4. Connecting the pipings to the indoor unit and
drain hose to drain pipe.
• Align the center of the pipes and sufficiently tight-
en the flare nut by hand.
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