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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