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• 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.

• 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 m, additional refrigerant should be

added as shown in the table.

Example : For XE18HKD
If the unit is installed at a 15 m distance, the quantity of
additional refrigerant should be 100 g ...... (15 - 10) m x 20 g/m

= 100 g.

Model

Piping size Rated 

Length 

(m)

Max

Elevation 

(m)

Min.

Piping

Length 

(m)

Max.   

Piping

Length 

(m)

Additional

Refrigerant 

(g/m)

Gas Liquid

XE18HKD 1/2”

1/4”

5

15

3

20

20

XE24HKD 5/8”

1/4”

5

20

3

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The mounting wall is strong and solid enough to prevent it from
the vibration.

The centre of installation plate should be at more than 550 mm
at right and left of the wall. 
The distance from installation plate edge to ceiling should more
than 67 mm.
From installation plate left edge to unit’s left side is 47 mm.
From installation plate right edge to unit’s right is 73 mm.

1. Mount the installation plate on the wall with 5 screws or

more.
(If mounting the unit on the concrete wall consider using
anchor bolts.)

• Always mount the installation plate horizontally by

aligning the marking-off line with the thread and using a
level gauge.

2. Drill the piping plate hole with ø70 mm hole-core drill.

• Line according to the left and right side of the installation

plate. The meeting point of the extended line is the
centre of the hole. Another method is by putting
measuring tape at position as shown in the diagram
above. The hole centre is obtained by measuring the
distance namely 150 mm and 125 mm for left and right
hole respectively.

• Drill the piping hole at either the right or the left and the

hole should be slightly slanted to the outdoor side.

1. Insert the piping sleeve to the hole.
2. Fix the bushing to the sleeve.
3. Cut the sleeve until it extrudes about 15 mm from the

wall.

4. Finish by sealing the sleeve with putty or caulking

compound at the final stage.

: For left side piping, piping connection for liquid should be about

126 mm from this line.

: For left side piping, piping connection for gas should be about

174 mm from this line.

: For left side piping, piping connection cable should be about

984 mm from this line.

When the wall is hollow, please be sure to use the
sleeve for tube ass’y to prevent dangers caused by
mice biting the connecting cable.