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Only for training and service purposes
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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 the air cir-
culation.
• 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, or other obstacles.
• The indoor unit must have the maintenance
space around.
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 hot air discharged.
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
3) Piping length and the elevation
• Rated performance for refrigerant piping length: 7.5m
• If 18K Model is installed at a distance of 15m, 187.5g of
refrigerant should be added (15-7.5)x25g
18K Btu/h
5/8" 1/4"
7.
5 50 5 30 25
24
K Btu/h
5/8" 1/4"
7.
5 50 5 30 30
CAPACITY
GAS LIQUID
Elevation B (m)
Length A (m)
* Additional
refrigerant
(g/m)
Pipe Size
Rated Rated
Max. Max.
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