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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
Capa-
city
W
(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
moun-
ted
2.5 m
for wall
moun-
ted
Z25*** 1.0HP
9.52
mm
(3/8")
6.35
mm
(1/4")
5
15 3 20 10 7.5 1.12 0.58
Z35*** 1.5HP 15 3 20 10 7.5 1.21 0.63
Z42*** 1.75HP
12.7
mm
(1/2")
15 3 20 10 7.5 1.38 0.72
Z50*** 2.0HP 15 3 30 15 7.5 2.11 1.09
Z71*** 2.5HP
15.88
mm
(5/8")
20 3 30 25 10 3.16 1.64
Example: For Z25***
If the unit is installed at 10 m distance, the quantity of
additional refrigerant should be 25 g .... (10-7.5) m x 10
g/m = 25 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
noitnettAnoi
t
cerid gnipiP
up drain hose
(Front side)
Right
Right
Rear
Right
bottom
Left
Rear
Left bottom
Left
WARNING
Flare connection only
at outside of building
(Left and right are identical)
Installation plate 1
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 (
)
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
•
Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
Vinyl tape
Insulation of piping connections
Attaching the remote controller to the wall
Flare connection
only at outside
of building
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.
50 mm
or more
Remote controller
cable
Screws 4
or
screws 5
Remote controller 3
Details refer to
REMOTE CONTROLLER
MOUNTING, INSTALLATION
AND CONNECTION
This illustration is for explanation purposes only.
The indoor unit will actually face a different way.
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