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• Do not install the unit in excessive oil fume area such as

kitchen, workshop and 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 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 the [piping length for additional gas],

additional refrigerant should be added as shown in the table.

Example: For E9***
If the unit is installed at 10 m distance, the quantity of additional
refrigerant should be 38 g .... (10-7.5) m x 15 g/m = 38 g.

Model

Horse

Power

(HP)

Piping 

size

Std.

Length

(m)

Max.

Ele-

vation

(m)

Min.

Piping

Length

(m)

Max.

Piping

Length

(m)

Addi-
tional

Refri-

gerant

(g/m)

Piping

Length

for 

add. 

gas

(m)

Gas

Li-

quid

E7***,

XE7***

3/4 ~

1.75HP

3/8”

1/4”

5

15

3

15

20

7.5

E9***,

XE9***

15

3

15

20

7.5

E12***,

XE12***

15

3

15

20

7.5

E15***,

XE15***

1/2”

15

3

15

20

7.5

E18***,

XE18***

2.0 ~

3.0HP

15

3

20

20

10

E21***,

XE21***

15

3

20

20

10

E24***,

XE24***

5/8”

20

3

30

30

10

E28***

20

3

30

30

10

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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 

 at

right and left of the wall. 
The distance from installation plate edge to ceiling should more

than .

From installation plate left edge to unit’s left side is  .

From installation plate right edge to unit’s right is  .

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

more (at least 5 screws).
(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 128 mm for left and right hole
respectively.

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

hole should be slightly slanting 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.

Model

Dimension

E7***, XE7***
E9***, XE9***

E12***, XE12***
E15***, XE15***

485 mm 82 mm 165 mm 158 mm 43 mm

95 mm

E18***, XE18***
E21***, XE21***
E24***, XE24***

E28***

585 mm 82 mm 165 mm 158 mm 169 mm 219 mm

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

 from this line.

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

 from this line.

Caution
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.

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1. For the right rear piping

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(This can be used for left rear piping and left bottom piping
also.)

1. The inside and outside connecting cable can be

connected without removing the front grille.

2. Connecting cable between indoor unit and outdoor unit

shall be approved polychloroprene sheathed 4 

u 1.5 mm

2

flexible cord, type designation 245 IEC 57 or heavier
cord.

• Secure the connecting cable onto the control board with

the holder (clamper).

 This equipment must be properly earthed.