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12. Installation Instruction
12.1 Select the Best Location
12.1.1 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
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.
Installation height for the indoor unit is
recommended at 2.5 m.
12.1.2 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.
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.
Table A
Model
Horse
Power
(HP)
Piping size
Std.
Length
(m)
Max
Eleva-
tion (m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Addi-
tional
Refri-
gerant
(g/m)
Piping
Length
for
add.
gas
(m)
Indoor A
min
(m
2
)
Gas Liquid
1.8 m for
wall
mounted
2.5 m for
wall
mounted
HZ25*** 1.0HP
9.52
mm
(3/8")
6.35
mm
(1/4")
5
10 3 20 20 7.5 1.79 0.93
HZ35*** 1.5HP 10 3 20 20 7.5 1.79 0.93
Example: For HZ25***
If the unit is installed at 10 m distance, the quantity of
additional refrigerant should be 50 g .... (10-7.5) m × 20
g/m = 50 g.
A
min
= (M / (2.5 × (LFL)
(5/4)
× h
0
))
2
A
min
= Required minimum room area, in m
2
M
= Refrigerant charge amount in appliance, in kg
LFL
= Lower flammable limit (0.306 kg/m
3
)
h
0
= Installation height of the appliance
: (1.8 m for wall mounted is standard reference
installed height)
: (2.5 m for wall mounted is recommended
installed height given by manufacturer)
12.1.3 Indoor/Outdoor Unit Installation
Diagram
dneb ot ton noitnettAnoitcerid gnipiP
up drain hose
(Front side)
Right
Right
Rear
Right
bottom
Left
(Left and right are identical)
Installation plate
Sleeve (
)
Bushing-Sleeve (
)
Bend the pipe as closely
on the wall as possible,
but be careful that it
doesn’t break.
Saddle (
)
Additional drain hose (
)
Gas side piping (
)
Connection cable
Putty (
)
(Gum Type Sealer)
Liquid side piping (
)
Power supply cord (
)
Power supply cord (
)
In case of indoor
power supply
In case of outdoor
power supply
Flare connection
Vinyl tape (wide) (
)
•
Apply after
carrying out a
drainage test.
•
To carry out the
drainage test,
remove the air
fi lters and pour
water into the heat
exchanger.
Control Board cover
It is advisable to
avoid more than 2
blockage directions.
For better ventilation
& multiple-outdoor
installation, please
consult authorized
dealer/specialist.
Installation parts you
should purchase (
)
300 mm
or more
100 mm
or more
100 mm
or more
1000 mm
or more
65 mm
or more
WARNING
Flare connection only
at outside of building
50 mm
or more
•
Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
Vinyl tape
Remote control holder
Remote control holder fi xing screws
Remote
control
Insulation of piping connections
Attaching the remote control holder to the wall
This illustration is for explanation purposes only.
The indoor unit will actually face a different way.
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