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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
Piping size
Capa-
Std.
city
Model
Length
W
(m)
Gas
Liquid
(HP)
9.52
Z25***
1.0HP
mm
(3/8")
Z35***
1.5HP
6.35
Z42*** 1.75HP 12.7
mm
5
mm
(1/4")
Z50***
2.0HP
(1/2")
15.88
Z71***
2.5HP
mm
(5/8")
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.
Addi-
Min.
Max.
Piping
Max
tional
Piping
Piping
Length
Eleva-
Refri-
Length
Length
for add.
tion (m)
gerant
(m)
(m)
gas (m)
(g/m)
15
3
20
10
7.5
15
3
20
10
7.5
15
3
20
10
7.5
15
3
30
15
7.5
20
3
30
25
10
A
= Required minimum room area, in m
min
= Refrigerant charge amount in appliance, in
M
kg
LFL = Lower flammable limit (0.306 kg/m
h
= Installation height of the appliance
0
: (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
P
p i
n i
g
i d
e r
t c
Right
Right
Rear
Right
bottom
50 mm
or more
Insulation of piping connections
•
2
Indoor A
(m
)
min
Attaching the remote controller to the wall
1.8 m
2.5 m
for wall
for wall
Remote controller
cable
moun-
moun-
Screws 4
ted
ted
screws 5
1.12
0.58
1.21
0.63
1.38
0.72
It is advisable to
avoid more than 2
blockage directions.
2.11
1.09
For better ventilation
& multiple-outdoor
installation, please
3.16
1.64
consult authorized
dealer/specialist.
This illustration is for explanation purposes only.
The indoor unit will actually face a different way.
37
(5/4)
A
= (M / (2.5 × (LFL)
min
Indoor/Outdoor Unit Installation
Diagram
o i
n
t A
e t
t n
o i
n
n
t o
o t
b
e
n
d
up drain hose
(Front side)
Left
Left
Rear
Left bottom
(Left and right are identical)
Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
Vinyl tape
Remote controller 3
Details refer to
REMOTE CONTROLLER
or
MOUNTING, INSTALLATION
AND CONNECTION
2
× h
))
0
2
3
)
WARNING
Flare connection only
at outside of building
Installation parts you
should purchase ( )
Installation plate 1
Bushing-Sleeve ( )
Sleeve ( )
Putty ( )
(Gum Type Sealer)
Bend the pipe as
closely on the wall
as possible, but
be careful that it
doesn't break.
Power supply cord ( )
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.
Saddle ( )
Connection cable
Liquid side piping
( )
Gas side piping ( )
Additional drain hose
( )
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