24
11 Installation Instruction
11.1. Select The Best Location
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 2.5 m.
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 10.0 m, additional refrigerant should
be added as shown in the table.
Example: For S24HKQ
If the unit is installed at 15 m distance, the quantity of additional
refrigerant should be 100 g.... (15-10) m x 20 g/m = 100 g.
11.2. Indoor/Outdoor Unit
Installation Diagram
Piping size
Rated
Length
(m)
Max
Elevation
(m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Additional
Refrigerant
(g/m)
Model
Gas Liquid
S18HKQ 1/2” 1/4” 5 15 3
20 15
S24HKQ
5/8” 1/4”
515
320 20