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8. Installation Instruction
8.1 Select The Best Location
8.1.1 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 2.5m.
8.1.2 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 below:
Example:
If the unit is installed at a 10m distance, the quantity
of additional refrigerant should be 60 g.
…… (10-5) m x 20g/m = 100 g
Piping size Model
Gas Liquid
Rated
Length
(m)
Max
Elevati
on (m)
Min
Piping
Length
(m)
Max
Piping
Length
(m)
Additional
Refrigera
nt (g/m)
CS/CU-YC9MKV
CS/CU-YC9MKV-7
3/8” 1/4" 5 5 3 15 20
CS/CU-YC12MKV
CS/CU-YC12MKV-6
CS/CU-YC12MKV-7
1/2” 1/4” 5 5 3 15 20
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