50
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.
Recommended installation height for indoor unit
shall be at least 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
Capacity
W
(HP)
Piping size
Std.
Length
(m)
Max.
Elevation
(m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Additional
Refrigerant
(g/m)
Piping
Length
for add.
gas
(m)
Indoor
A
min
(m²)
Gas
Liquid
PZ25***
1.0HP
9.52mm
(3/8")
6.35mm
(1/4")
5
15
15
10
7.5
0.41
3
15
15
10
7.5
0.53
3
15
15
15
7.5
1.50
3
15
30
15
7.5
2.11
3
PZ35***
1.5HP
PZ50***
2.0HP
12.7mm
(1/2")
UZ60***
2.25HP
Example: For PZ25***
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
= Required 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)
12.1.3 Indoor/Outdoor Unit Installation
Diagram
d
n
e
b
o
t
t
o
n
n
o
it
n
e
tt
A
n
o
it
c
e
ri
d
g
n
i
p
i
P
up drain hose
(Front side)
Right
Right
Rear
Right
bottom
Left
Rear
Left bottom
Left
(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 ( )
Putty ( )
(Gum Type Sealer)
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 ( )
65
m
m
or
m
or
e
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
5
Remote control holder
fi
xing screws
6
Remote
control
3
Insulation of piping connections
Attaching the remote control holder to the wall
Floor
2.
5 m
(
m
in
)
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.
Additional drain hose (
)
Gas side piping ( )
Connection cable
Liquid side piping ( )
300
m
m
or
mo
re
100
m
m
or m
ore
10
0
m
m
or
m
or
e
10
00
m
m
or
m
or
e
This illustration is for explanation purposes only.
The indoor unit will actually face a different way.