Service Manual
23
Installation of Indoor, Outdoor Unit
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 con-
sideration.
• 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.
A
B
Indoor unit
Outdoor unit
50cm
50cm
50cm
150cm
5cm
5cm
40cm
100cm
Indoor unit
50cm
50cm
50cm
100cm
3) Piping length and the elevation
Cooling Only Model
20K
5/8"
1/4"
30
20
28K/30K
5/8"
3/8"
30
20
48K
5/8"
3/8"
30
20
72K
11/10"
1/2"
50
30
PIPE SIZE
MODEL
GAS SIDE
LIQUID SIDE
Max.
Length
A (m)
Max.
Elevation
B (m)
Installation of Indoor, Outdoor Unit
