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10.2 S18NKU-1 S22NKU-1
10.2.1 Select the Best Location
10.2.1.1 Indoor Unit
• Do not install the unit in excessive oil fume areas
such as kitchens, workshops etc.
• 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 a doorway.
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
• Recommended installation height for indoor unit
shall be at least 8.2 ft.
10.2.1.2 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 the [piping length for
additional gas], additional refrigerant should be
added as shown in the table.
• Recommended installation height for outdoor unit
should be above the seasonal snow level.
Example: For S18NKU-1
If the unit is installed at 41 ft distance, the quantity of
additional refrigerant should be 1.64 oz .... (41 - 32.8)
ft x 0.2 oz/ft = 1.64 oz.
10.2.2 Indoor/Outdoor Unit Installation
Diagram