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11. Installation Instruction
11.1 Outdoor Unit
11.1.1
Select The Best Location
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.
Std.
Min. Piping
Max. Total
Max.
MODEL
Length
Length
Length
Elevation
(m)
(m)
(m)
(m)
CU-2Z35***,
5 m /
3 m /
CU-2Z41***,
indoor
30
10
indoor unit
CU-2Z50***
unit
Note:
(1) It is possible to extend the piping length of one unit
up to 20 meters.
However, the total piping length must not exceed
30 meters.
(2) If the length exceeds 20 meters, refrigerant of 15g
per meter must be added.
11.1.2
Install The Outdoor Unit
After selecting the best location, start installation
to Indoor/Outdoor Unit Installation Diagram.
1. Fix the unit on concrete or rigid frame firmly
and horizontally by bolt nut (ø10 mm).
2. When installing at roof, please consider strong
wind and earthquake.
Please fasten the installation stand firmly with
bolt or nails.
Model
A
CU-2Z35***,
CU-2Z41***,
540 mm 160 mm 18.5 mm 330 mm
CU-2Z50***
Wall
Mini
Piping Length
Additional
Mounted
Cassette
for add. Gas
Refrigerant
Indoor A
Indoor A
Indoor A
min
min
(m)
(g/m)
(m
2
)
(m
2
)
20
15
1.54
1.03
B
C
D
• This illustration is for
explanation purposes only.
Ducted
min
(m
2
)
1.03
33
Attached accessories
Drain elbow
Installation parts you
should purchase ( )
Power supply cord ( )
Connection cable ( )
Additional drain hose ( )
Liquid side piping ( )
Gas side piping ( )
A
B
Qty.
1
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