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11 Installation Instruction
11.1. Select The Best Location
11.1.1. Indoor Unit
• 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 rated length, additional refrigerant
should be added as shown in the table.
Example: For C7HKD
If the unit is installed at a 10m distance, the quantity of
additional refrigerant should be 25g ...... (10 - 7.5)m x 10g/m =
25g.
11.1.3. Indoor/Outdoor Unit Installation
Diagram
• This illustration is for explanation purposes only.
The indoor unit will actually face a different way.
Piping size Rated
Length
(m)
Max
Elevation
(m)
Max.
Piping
Length
(m)
Additional
Refrigerant
(g/m)
Model Gas Liquid
C7HKD/
C9HKD
3/8” 1/4” 7.5 5 10 10
C12HKD 1/2” 1/4” 7.5 5 15 10
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