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11. Installation Instruction
11.1 Select the Best Location
11.1.1 Indoor Unit
• Do not install the unit in excessive oil fume area
such as kitchen, workshop and etc.
• There should not be any heat source or steam
near the unit.
• There should not be any obstacles blocking the air
circulation.
• A place where air circulation in the room is good.
• A place where drainage can be easily done.
• A place where noise prevention is taken into
consideration.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
• Recommended installation height for indoor unit
shall be at least 2.5 m.
11.1.2 Outdoor Unit
• If an awning is built over the unit to prevent direct
sunlight or rain, be careful that heat radiation from
the condenser is not obstructed.
• There should not be any animal or plant which
could be affected by hot air discharged.
• Keep the spaces indicated by arrows from wall,
ceiling, fence or other obstacles.
• Do not place any obstacles which may cause a
short circuit of the discharged air.
• If piping length is over the [piping length for
additional gas], additional refrigerant should be
added as shown in the table.
C18***
C24***
Pipingsize
Gas Liquid
6.35 mm
(1/4")
12.7 mm
(1/2")
15.88 mm
(5/8")
5
20 3 25 20 7.5
20 3 25 30 7.5
Model
Additional
Refrigerant
(g/m)
Max.
Elevation
(m)
Max.
Piping
Length
(m)
Min.
Piping
Length
(m)
Horse
Power
(HP)
Std.
Length
(m)
Piping
Length
for add.
gas (m)
2.0HP
2.5HP
Example: For C18***
If the unit is installed at 10 m distance, the quantity of
additional refrigerant should be 50 g….(10-7.5) m x 20
g/m = 50 g.
11.1.3 Indoor/Outdoor Unit Installation
Diagram