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10. Installation Instruction
10.1 Select the Best Location
10.1.1 Indoor Unit
x There should not be any heat source or steam near
the unit.
x There should not be any obstacles blocking the air
circulation.
x A place where air circulation in the room is good.
x A place where drainage can be easily done.
x A place where noise prevention is taken into
consideration.
x Do not install the unit near the door way.
x Ensure the spaces indicated by arrows from the wall,
ceiling, fence or other obstacles.
x Recommended installation height for indoor unit shall
be at least 2.5m.
10.1.2 Outdoor Unit
x 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.
x There should not be any animal or plant which could be
affected by hot air discharged.
x Keep the spaces indicated by arrows from wall, ceiling,
fence or other obstacles.
x Do not place any obstacles which may cause a short
circuit of the discharged air.
x 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 50 g.
…… (10-7.5) m x 20g/m = 50 g
Piping size Model
Gas Liquid
Rated
Length
(m)
Max
Elevation
(m)
Min Piping
Length (m)
Max
Piping
Length
(m)
Additional
Refrigerant
(g/m)
RE9HKE 3/8” 1/4" 7.5 5 3 15 20
RE12HKE 3/8” 1/4” 7.5 5 3 15 20
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