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41
11.2.3 CU-TZ42TKE
CN-HOT
CN-STM
CN-TH
CN-MTR1
CN-MTR1
CN-MTR2
CN-TANK
AC-BLK
DATA
AC-WHT
POWER
TRANSISTOR
(IPM)
TRANSISTOR
(IPM)
CURRENT
TRANSFORMER
(CT)
42
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.
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.
added as shown in the table.
Table A
Model
Capa-
city
W
(HP)
Piping size
Std.
Lengt
h (m)
Max
Eleva-
tion (m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Addi-
tional
tional
Refri-
gerant
(g/m)
Piping
Length
for
add.
gas
(m)
Indoor
A
min
(m
2
)
Gas Liquid
MTZ16*** 1/2HP
Refer to installation manual at outdoor unit
TZ20*** 3/4HP 9.52
mm
(3/8
"
)
6.35
mm
(1/4
"
)
5
15 3 15
10
7.5
0.41
TZ25*** 1.0HP
15
3
15 10 7.5 0.53
TZ35*** 1.5HP
15
3
15 10 7.5 0.68
TZ42*** 1.75HP 12.7
mm
(1/2
"
)
15 3 15
10
7.5
0.83
TZ50*** 2.0HP
15
3
20 15 7.5 1.68
* Table “A” only applicable for single split connection.
* In case of connection to outdoor multi inverter, refer
to installation manual at outdoor unit.
Example: For TZ25***
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)
wall mounted)
12.1.3 Indoor/Outdoor Unit Installation
Diagram
d
n
e
b
o
t
t
o
n
n
o
i
t
n
e
t
t
A
n
o
i
t
c
e
r
i
d
g
n
i
p
i
P
up drain hose
(Front side)
Right
Right
Rear
Rear
Right
bottom
bottom
Left
Rear
Rear
Left bottom
Left
Additional drain hose
Gas side piping
Connection cable
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.
blockage directions.
For better ventilation
& multiple-outdoor
installation, please
consult authorized
dealer/specialist.
300 mm
or more
100 mm
or more
100 mm
or more
1000 mm
or more
WARNING
Flare connection only
at outside of building
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.
on the wall as possible,
but be careful that it
doesn’t break.
Saddle
)
Floor
Putty ( )
(Gum Type Sealer)
(Gum Type Sealer)
Installation parts you
should purchase ( )
should purchase ( )
65 mm
or more
50 mm
or more
2.5 m (min)
Vinyl tape (wide) ( )
• Apply after carrying
out a drainage test.
• To carry out the
drainage test,
remove the air filters
and pour water into
the heat exchanger.
remove the air filters
and pour water into
the heat exchanger.
•
Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
checking for gas leaks and
secure with vinyl tape.
Vinyl tape
Remote control holder
5
Remote control holder fi xing screws
6
Remote
control
control
3
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.
43
12.2 Indoor Unit
12.2.1 How to Fix Installation Plate
The mounting wall shall be strong and solid enough to prevent it from vibration.
3
4
B
A
C
Ceiling
Wall
Wall
Installation
plate
plate
1
2 screw
More than
1
More than
1
Measuring Tape
Indoor unit
184 mm
128 mm
222 mm
128 mm
More
than
2
PIPE
HOLE
CENTER
HOLE
CENTER
PIPE
HOLE
CENTER
HOLE
CENTER
128mm TO
PIPE HOLE
CENTER
PIPE HOLE
CENTER
128mm TO
PIPE HOLE
CENTER
PIPE HOLE
CENTER
For best strength of
INDOOR unit installation,
it is highly recommended
to locate “ ” at 5 position
as shown.
INDOOR unit installation,
it is highly recommended
to locate “ ” at 5 position
as shown.
Model
Dimension
1
2
3
4
5
6
MTZ16***,
TZ20***, TE20***
TZ25***, TE25***
TZ35***, TE35***
TZ42***, TE42***
TZ20***, TE20***
TZ25***, TE25***
TZ35***, TE35***
TZ42***, TE42***
470 mm
90 mm
380 mm
420 mm
45 mm
95 mm
3
4
5
6
Ceiling
Wall
Wall
Installation plate
1
2 screw
More than
1
More than
1
Measuring Tape
Indoor unit
256 mm
128 mm
128 mm
256 mm
128 mm
More
than
2
For best strength of
INDOOR unit installation,
it is highly recommended
to locate “ ” at 5 position
as shown.
INDOOR unit installation,
it is highly recommended
to locate “ ” at 5 position
as shown.
Model
Dimension
1
2
3
4
5
6
TZ50***, TE50***
TZ60***, TE60***
TZ71***
TZ60***, TE60***
TZ71***
605 mm
95 mm
550 mm
550 mm
270 mm
320 mm
The center of installation plate should be at more than 1 at right and left of the wall.
The distance from installation plate edge to ceiling should more than 2.
From installation plate center to unit’s left side is 3.
From installation plate center to unit’s right side is 4.
B
The distance from installation plate edge to ceiling should more than 2.
From installation plate center to unit’s left side is 3.
From installation plate center to unit’s right side is 4.
B
: For left side piping, piping connection for liquid should be about 5 from this line.
: For left side piping, piping connection for gas should be about 6 from this line.
1 Mount the installation plate on the wall with 5 screws or more (at least 5 screws).
(If mounting the unit on the concrete wall, consider using anchor bolts.)
o
Always mount the installation plate horizontally by aligning the marking-off line with the thread and using
a level gauge.
a level gauge.
2 Drill the piping plate hole with ø70 mm hole-core drill.
o
Line according to the left and right side of the installation plate. The meeting point of the extended line is
the center of the hole. Another method is by putting measuring tape at position as shown in the diagram
above. The hole center is obtained by measuring the distance namely 128 mm for left and right hole
respectively.
the center of the hole. Another method is by putting measuring tape at position as shown in the diagram
above. The hole center is obtained by measuring the distance namely 128 mm for left and right hole
respectively.
o
Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor
side.
side.
44
12.2.2 To Drill a Hole in the Wall and
Install a Sleeve of Piping
1 Insert the piping sleeve to the hole.
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm
from the wall.
CAUTION
When the wall is hollow, please be sure to use
the sleeve for tube assembly to prevent dangers
the sleeve for tube assembly to prevent dangers
caused by mice biting the connection cable.
4 Finish by sealing the sleeve with putty or
caulking compound at the final stage.
15 mm
Putty or caulking compound
ø70 mm through hole
Indoor
Outdoor
Sleeve for tube
assembly
assembly
Approx. 5 - 7 mm
Bushing for tube
assembly
assembly
Wall
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