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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.
Indoor unit of this air conditioner shall be installed
in a height of at least 1.8 m.
Table A
Model
Capacity W
(HP)
Max. Refrigerant
Charge (kg)
Indoor
A
min
(m
2
)
MZ16*** 1/2HP
Refer to Installation Instruction at
outdoor unit.
Z20***, XZ20***
3/4HP
0.78
Not applicable (*)
Z25***, XZ25***
1.0HP
0.93
Not applicable (*)
Z35***, XZ35***
1.5HP
0.93
Not applicable (*)
Z42***
1.75HP
0.97
Not applicable (*)
Z50***, XZ50***
2.0HP
1.49
Not applicable (*)
Z71*** 2.5HP
1.87
4.5120
(*) Systems with total refrigerant charge, mc , lower
than 1.84kg are not subjected to any room area
requirements.
* Table “A” only applicable for single split connection.
* In case of connection to outdoor multi inverter, refer
to installation manual at outdoor unit.
A
min
= (
m
c
/ (2.5 × (
LFL
)
(5/4)
×
h
0
))
2
A
min
= Required minimum room area, in m
2
m
c
= Refrigerant charge in appliance, in kg
LFL
= Lower flammability limit (0.307 kg/m
3
)
h
0
= Installation height of the appliance (1.8 m for
wall mounted)
SF
= Safety factor with a value of 0.75
**
The required minimum room area,
A
min
, shall also
be governed by the safety factor margin formula
below :
A
min
=
m
c
/
(
SF × LFL × h
0
)
The higher value shall be taken when determining the
room area.
12.1.2 Indoor/Outdoor Unit Installation
Diagram
Installation parts you
should purchase ( )
65 mm or more
50 mm
or more
Saddle ( )
Installation plate
1
Sleeve ( )
Bushing-Sleeve ( )
Bend the pipe as closely
on the wall as possible,
but be careful that it
doesn’t break.
Putty ( )
(Gum Type Sealer)
Power supply cord ( )
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.
(Left and right are identical)
•
Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
Vinyl tape
Insulation of piping connections
Remote control holder
5
Remote control holder fi xing screws
6
Remote
control
3
Attaching the remote control holder to the wall
** not less than safety factor margin
Attention not to
bend up drain
hose
Piping direction
(Front side)
Right Rear
Right bottom
Left bottom
Left
Left
Rear
Right
It is advisable to avoid more than 2
blockage directions. For better ventilation
& multiple-outdoor installation, please
consult authorized dealer/specialist.
This illustration is for explanation purposes only.
The indoor unit will actually face a different way.