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Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit
• There should not be any heat source or steam
near the unit.
• There should not be any obstacles to prevent the
air circulation.
• A place where air circulation in the room will be
good.
• A place where drainage can be easily obtained.
• A place where noise prevention is taken into con-
• A place where noise prevention is taken into con-
sideration.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from the
• Ensure the spaces indicated by arrows from the
wall, ceiling, or other obstacles.
• The indoor unit must keep the maintenance
space.
2) Outdoor unit
• If an awning is built over the unit to prevent direct
sunlight or rain exposure, be careful that heat
radiation from the condenser is not restricted.
radiation from the condenser is not restricted.
• There should not be any animals or plants which
could be affected by hot air discharged.
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
More than 10cm
More than 10cm
More than 70cm
Unit:cm
Ceiling
Ceiling Board
Ceiling Board
30 or more
Abo
ve
250
300 or less
100
or more
50 or
more
50 or
more
30 or less
Floor
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7. Installation of Decorative Panel
1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount
10mm in length.)
The fixing screws (hexagon M5 screw) are included the decorative panel box.
The fixing screws (hexagon M5 screw) are included the decorative panel box.
2. Remove the air inlet grille from the decorative panel. (Remove the hook for the air inlet grille cord.)
3. Hook the decorative panel key hole ( ) on the screws fixed in step above, and slide the panel so that the
3. Hook the decorative panel key hole ( ) on the screws fixed in step above, and slide the panel so that the
screws reach the key hole edge.
4. Retighten completely two temporarily fixed screws and other two screws. (Total 4 screws)
5. Connect the louver motor connector.
6. After tightening these screws, install the air inlet grille (including the air filter).
5. Connect the louver motor connector.
6. After tightening these screws, install the air inlet grille (including the air filter).
Decorative panel fixing screws
(hexagon M5 screws)
Temporally fitting at 2 places
(Tightening about 10mm)
(hexagon M5 screws)
Temporally fitting at 2 places
(Tightening about 10mm)
Decorative panel
Louver motor
connector
connector
Install the panel after
making sure that the
piping side of the unit body
matches the piping
indication of the decorative
panel
making sure that the
piping side of the unit body
matches the piping
indication of the decorative
panel
Control box
cover
cover
Louver motor connector
(In the control box)
(In the control box)
Air conditioner unit
Piping side
Inlet Grille
Decorative panel fixing screws
(Hexagon M5 screw)
(Hexagon M5 screw)
Key holes
The arrow ( ) should point
to the side where the pipes are.
to the side where the pipes are.
The decorative panel has its installation
direction.
direction.
Before installing the decorative panel,
always remove the paper template.
always remove the paper template.
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Install certainly the decorative panel.
Cool air leakage causes sweating.
Cool air leakage causes sweating.
Water drops fall.
• Drain piping must have down-slope (1/50 to 1/100): be
sure not to provide up-and-down slope to prevent rever-
sal flow.
sal flow.
• During drain piping connection, be careful not to exert
extra force on the drain port on the indoor unit.
• The outside diameter of the drain connection on the
indoor unit is 32mm.
• Be sure to execute heat insulation on the drain piping.
Air conditioner
unit
unit
Ceiling
board
Decorative panel
Decorative
panel
panel
Fit the insulator (this part) and
be careful for cool air leakage
be careful for cool air leakage
Good example
Air
Cool air leakage
(no good)
Bad example
Ceiling
board
Air conditioner unit
Feed water
Drain Pump
Drain pan
Flexible drain hose
(accessory)
(accessory)
Main
drain pipe
drain pipe
Glue the joint
Drain
port
port
Drain hose connection
Use the clip (accessory)
Use the clip (accessory)
Maintenance
drain port
drain port
Upward
routing
not allowed
routing
not allowed
Pipe clamp
Indoor unit
CAUTION
Piping material: Polyvinyl chloride pipe VP-25
and pipe fittings
and pipe fittings
The air conditioner uses a drain pump to drain water.
Use the following procedure to test the drain pump operation:
• Connect the main drain pipe to the exteri-
or and leave it provisionally until the test
comes to an end.
comes to an end.
• Feed water to the flexible drain hose and
check the piping for leakage.
• Be sure to check the drain pump for nor-
mal operating and noise when electrical
wiring is complete.
wiring is complete.
• When the test is complete, connect the
flexible drain hose to the drain port on
the indoor unit.
the indoor unit.
Heat insulation material: Polyethylene foam with thickness more than 8 mm.
8. INDOOR UNIT DRAIN PIPING
Drain test
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1. Use the heat insulation material for the refriger-
ant piping which has an excellent heat-resis-
tance (over 120°C).
tance (over 120°C).
2. Precautions in high humidity circumstance:
This air conditioner has been tested according to
the "KS Standard Conditions with Mist" and con-
firmed that there is not any default. However, if it
is operated for a long time in high humid atmo-
sphere (dew point temperature: more than
23°C), water drops are liable to fall. In this case,
add heat insulation material according to the fol-
lowing procedure:
the "KS Standard Conditions with Mist" and con-
firmed that there is not any default. However, if it
is operated for a long time in high humid atmo-
sphere (dew point temperature: more than
23°C), water drops are liable to fall. In this case,
add heat insulation material according to the fol-
lowing procedure:
Indoor unit
Thermal insulator
(accessory)
(accessory)
Fastening band
(accessory)
(accessory)
Refrigerant piping
HEAT INSULATION
1. Wrap the connecting portion of indoor unit with
the Insulation material and secure it with two
Plastic Bands. (for the right pipings)
Plastic Bands. (for the right pipings)
• If you want to connect an additional drain hose,
the end of the drain-outlet should keep distance
from the ground. (Do not dip it into water, and fix
it on the wall to avoid swinging in the wind.)
from the ground. (Do not dip it into water, and fix
it on the wall to avoid swinging in the wind.)
2. Tape the Pipings, drain hose and Connecting
Cable from bottom to top.
3. Form the pipings gathered by taping along the
exterior wall and fix it onto the wall by saddle
or equivalent.
or equivalent.
In case of the Outdoor unit being installed
below position of the Indoor unit.
below position of the Indoor unit.
FORM THE PIPINGS
Trap is required to prevent water from entering
into electrical parts.
into electrical parts.
Seal a small opening
around the pipings
with gum type sealer.
around the pipings
with gum type sealer.
Taping
Drain hose
Pipings
Connecting
cable
cable
Plastic Band
Power supply
cord
cord
• Heat insulation material to be prepared... Adiabatic glass wool with thickness 10 to 20mm.
• Stick glass wool on all air conditioners that are located in ceiling atmosphere.
• In addition to the normal heat insulation (thickness: more than 8mm) for refrigerant piping (gas piping: thick
• Stick glass wool on all air conditioners that are located in ceiling atmosphere.
• In addition to the normal heat insulation (thickness: more than 8mm) for refrigerant piping (gas piping: thick
piping) and drain piping, add further 10mm to 30mm thickness material.
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