NOTE
The hole should be made at a slight downward slant to the
outside.
Indoor
side
Outdoor
side
Fig. 1-200
INSIDE
PVC pipe (not supplied)
Cut at slight angle
PVC pipe
Slight
angle
Wall
OUTSIDE
Fig. 1-201
(1) Drain hose connection
The drain hose is connected below the refrigerant tubing.
(2) Installing the drain hose
F
irst insert the drain hose (supplied) to the hose band
(
supplied)
and then install the drain hose to the unit drain port.
Insert until the drain hose bumps to the end.
Attach the hose band to make the fixed portion 45°upper
gradient according to a vinyl tape (
not supplied)
of the drain
hose (supplied).
(Fig. 1-203)
Hose band screw torque is 2.6 - 3.0 lbf·inch (30 - 35 N·cm).
Wind the vinyl tape not to blow up the hose band.
Connect both the drain hose and PVC pipe (VP20 or similar
material, not supplied). Insert until the PVC pipe bumps to
the end and adhere with PVC adhesive.
CAUTION
Wrap the drain insulator (supplied) between the connection
of the drain hose and tubing not to expose the copper
tubing. Also, wrap the hose band together.
Wrap the hose band with the drain insulator, where the
screw is located facing upward (Fig. 1-203). Then, tighten the
insulator with a vinyl tape not to cause the detachment. If
the tubing parts remain exposed, condensation may occur.
Be sure to use the supplied drain hose.
If other commercially available hose bands are used, the
drain hose may become pinched or wrinkled and there is
danger of water leakage.
Therefore be sure to use the supplied hose bands.
Connect the drain pipe so that it slopes downward from the
unit to the outside. (Fig. 1-202)
Correct
Incorrect
Downward
slant:
min. 1/100
Upward
slant:
Fig. 1-202
Never allow water traps to occur in the course of the piping.
Insulate any piping inside the room to prevent dripping.
After the drain piping, pour an appropriate amount of water
into the drain pan through the opening on the side of the air
discharge port. Check the water draining smoothly.
* If the drain hose is routed through the left side, refer to Fig. 1-198,
and follow the procedure above to install the hose.
Reattach the rubber stopper removed earlier onto the right side.
The rubber stopper can be inserted easily by using a screwdriver
or similar tool to press the
stopper into the drain port on
the main unit.
Press the stopper into the main
unit drain port as far as it will
go.
Hose band (supplied)
Do not use adhesive.
Adhere with PVC adhesive.
Hard PVC pipe
(VP20 not supplied)
Drain hose (supplied)
Unit drain port
Unit: inch (mm)
Drain insulator (supplied)
Hose band
Vinyl tape
Drain insulator
Vinyl tape
Drain insulator
Hose band
Fig. 1-203
CAUTION
The indoor unit should be slightly tilted downward toward the
drain pipe connection side as shown in figure below so that
the wastewater can flow smoothly without being trapped in the
middle. (Fig. 1-204)
Ceiling
Approx. 1°
Approx. 2°
Ceiling
Diagonally right down (front view)
(Ex.: Diagonal-right-backwards)
Diagonally backward (side view)
Fig. 1-204
Rubber stopper
Screwdriver
Drain port
00_271726_Eng.indb 10 2015-8-5 9:59:03
6-62. Final Procedure 6-63. Accessories Supplied with Unit
Reinstall the removed part to be placed in its original position.
(See the section “6-57. Preparation Before Installation”.)
sides of the indoor unit.
them with 2 screws once you’ve removed.
the latches.
Tighten the screws (accessory supplied).
Fig. 1-205
procedure to removing the grille.
Refer to the section “6-57. Preparation Before Installation”.
Be sure to attach the safety string.
the screws.
Fig. 1-206
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