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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
consideration.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence, or other obstacles.
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.
• There should not be any animals or plants which
could be affected by discharged hot air.
• Ensure the space indicated by arrows from the
wall, ceiling, fence, or other obstacles.
Installation of Indoor, Outdoor Unit
A
B
Indoor unit
Outdoor unit
50mm(2inch)
1000mm(39.4inch)
Indoor unit
500mm(20inch)
500mm(20inch)
500mm (20inch)
1000mm(39.4inch)
400mm
(16inch)
400mm
(16inch)
500mm(20inch)
3) Piping length and the elevation
Cooling Only Model
48k 3/4" 3/8" 40/131 25/82
30k 5/8" 3/8" 30/98 20/66
PIPE SIZE
MODEL
(BTU/h)
GAS SIDE LIQUID SIDE
Max.
Length
A (m/ft)
Max.
Elevation
B (m/ft)