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32 Room Air Conditioner
Installation
2.
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.
NOTE: If the drain hose is routed inside the room,
insulate the hose with an insulation material* so that
dripping from "sweating"(condensation) will not damage
furniture or floors.
*Foamed polyethylene or equivalent is recommended.
3. 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 instal-
lation plate.) Ensure that the hooks are properly seat-
ed on the installation plate by moving it left and right.
4. Connecting the pipings to the indoor unit and drain
hose to drain pipe.
• Align the center of the pipes and sufficiently tighten
the flare nut by hand.
• Tighten the flare nut with a wrench.
• When extending the drain hose at the indoor unit,
install the drain pipe.
5. Wrap the insulation material around the connecting
portion.
• Overlap the connection pipe insulation material and
the indoor unit pipe insulation material. Bind them
together with vinyl tape so that there is no gap.
• Wrap the area which accommodates the rear piping
housing section with vinyl tape.
• Bundle the piping and drain hose together by wrap-
ping them with vinyl tape for enough to cover where
they fit into the rear piping housing section.
Connecting
cable
Gas side piping
Liquid side piping
Drain hose
Loop
Indoor unit tubing Flare nut Pipes
Wrench
Indoor unit tubing
Open-end wrench (fixed)
Connection pipe
Flare nut
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Plastic bands
Insulation material
Vinyl tape(narrow)
Connection
pipe
Connecting cable
Vinyl tape
(wide)
Wrap with vinyl tape
Indoor
unit pipe
Pipe
Drain hose
Connecting
cable
mm inch Kgf
.
cm
Ø6.35 1/4 180~250
Ø9.52 3.8 340~420
Ø12.7 1/2 350~660
Ø15.88 5/8 630~820
Ø19.05 3/4 990~1210
Outside diameter Torque
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)