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10.2. Outdoor Unit
10.2.1. CU-E7MKD CU-E9MKD CU-E12MKD CU-E15MKD
42
10.2.2. CU-E18MKD
43
11 Installation Instruction
11.1. Select the Best Location
11.1.1. Indoor Unit
• 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
• 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,
• 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.
11.1.2. 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.
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 50 g .... (10-7.5) m x 20 g/m = 50 g
If the unit is installed at 10 m distance, the quantity of additional
refrigerant should be 50 g .... (10-7.5) m x 20 g/m = 50 g
11.1.3. Indoor/Outdoor Unit Installation
Diagram
Model
Horse
Power
(HP)
Piping size
Std.
Leng-
th
(m)
Max.
Eleva-
tion
(m)
Min.
Piping
Length
(m)
Max.
Piping
Leng-
th
(m)
Addi-
tional
tional
Refri-
gerant
(g/m)
Pi-
ping
Leng-
th for
add.
gas
(m)
Gas
Liquid
E7***,
XE7***
3/4 ~
1.75HP
9.52mm
(3/8”)
6.35mm
(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***
12.7mm
(1/2”)
15
3
15
20
7.5
E18***,
XE18*** 2.0 ~
2.25HP
15
3
20
20
7.5
E21***,
XE21***
15
3
20
20
7.5
E24*** 2.5HP 15.88mm
(5/8”)
20
3
30
30
10
E28*** 3.0HP
20
3
30
30
10
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11.2. Indoor Unit
11.2.1. How to Fix Installation Plate
The mounting wall shall be strong and solid enough to prevent
it from the vibration.
it from the vibration.
The center 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 .
B
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 .
B
: 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.
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.)
(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.
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
center of the hole. Another method is by putting
measuring tape at position as shown in the diagram
above. The hole center is obtained by measuring the
distance namely 128 mm for left and right hole
respectively.
center of the hole. Another method is by putting
measuring tape at position as shown in the diagram
above. The hole center 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.
11.2.2. To Drill a Hole in the Wall and Install
a Sleeve of Piping
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
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.
11.2.3. Indoor Unit Installation
Model
Dimension
E7***, XE7***
E9***, XE9***
E12***, XE12***
E15***, XE15***
E9***, XE9***
E12***, XE12***
E15***, XE15***
485 mm 82 mm 165 mm 158 mm 43 mm 95 mm
E18***, XE18***
E21***, XE21***
E24***, E28***
E21***, XE21***
E24***, E28***
585 mm 82 mm 165 mm 158 mm 169 mm 219 mm
When the wall is hollow, please be sure to use the sleeve
for tube assembly to prevent dangers caused by mice
biting the connection cable.
for tube assembly to prevent dangers caused by mice
biting the connection cable.
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