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37
11.2.1.2 CU-Z50UBEA CU-Z60UBEA
CN-HOT
CN-STM1
CN-TH1
CN-MTR1
CN-MTR2
CN-TANK
AC-BLK
DATA
AC-WHT
POWER
TRANSISTOR
(IPM)
CURRENT
TRANSFORMER
(CT)
38
12. Installation
Instruction
■ Required Materials
Read the catalog and other technical materials
and prepare the required materials.
Applicable piping kit
Applicable piping kit
Piping size
Gas Liquid
CZ-3F5, 7BP
9.52 mm (3/8")
6.35 mm (1/4")
CZ-4F5, 7, 10BP
12.7 mm (1/2")
6.35 mm (1/4")
CZ-52F5, 7, 10BP
15.88 mm (5/8")
6.35 mm (1/4")
Pipe Size Reducer (CZ-MA1P) and Expander
(CZ-MA2P) for Outdoor Multi Connection
CS-Z50******, CS-Z60******.
CS-Z50******, CS-Z60******.
Please refer to “Connect the piping”.
■ Other Items to be Prepared (Locally Purchased)
■ Other Items to be Prepared (Locally Purchased)
Product name
Remarks
Rigid PVC pipe
VP20 (outer diameter ø26); also
sockets, elbows and other parts as
necessary
sockets, elbows and other parts as
necessary
Adhesive
PVC adhesive
Insulation
For refrigerant piping insulation :
foamed polyethylene with a thickness of
8 mm or more.
For drain piping insulation : foamed
polyethylene with a thickness of 10 mm
or more.
foamed polyethylene with a thickness of
8 mm or more.
For drain piping insulation : foamed
polyethylene with a thickness of 10 mm
or more.
Indoor/outdoor
connecting cable
connecting cable
4 x 1.5 mm
2
flexible cord, designation
type 60245 IEC 57 (H05RN-F)
Hanging bolt related
parts
parts
Hanging bolts (M10) (4) and nuts (12),
(when hanging the indoor unit)
(when hanging the indoor unit)
Table A
Model Capacity
Indoor A
min
(m
2
)
2.2m for ducted
2.5m for ducted
Z25****** 1.0HP 0.64 0.50
Z35****** 1.5HP 0.71 0.55
Z50****** 2.0HP 1.37 1.06
Z60****** 2.25HP 1.37 1.06
* Table “A” only applicable for single split connection.
* In case of connection to outdoor multi inverter, refer
* In case of connection to outdoor multi inverter, refer
to installation manual at outdoor unit.
Attaching the remote controller to the wall
Screws
3
or
screws
4
Remote controller
cable
cable
2
Remote controller
1
Details refer to
3. INSTALLING
THE INDOOR
UNIT (Remote
Control
Installation)
3. INSTALLING
THE INDOOR
UNIT (Remote
Control
Installation)
Insulation of piping connections
• Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
secure with vinyl tape.
Vinyl tape
Sleeve ( )
Bushing-Sleeve ( )
Putty (Gum Type Sealer) ( )
Bend the pipe as closely on
the wall as possible, but be
careful that it doesn’t break.
the wall as possible, but be
careful that it doesn’t break.
Vinyl tape (Wide) ( )
• Apply after carrying out
• 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.
fi lters and pour water
into the heat exchanger.
Saddle ( )
Installation parts you
should purchase ( )
should purchase ( )
A
Indoor
unit
unit
B
Outdoor
unit
unit
IMPORTANT
Begin the installation job from
the “Indoor Unit” installation.
the “Indoor Unit” installation.
•
This illustration is for
explanation purposes only.
The indoor unit will actually
face a different way.
explanation purposes only.
The indoor unit will actually
face a different way.
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: (2.2m for ducted is standard reference installed height)
(2.5m for ducted is minimum installed height given by manufacturer)
39
12.1 Indoor Unit
12.1.1 Selecting
the
Installation Location
Take into consideration the following contents when creating the blueprint.
■ Indoor unit installation location
■ Indoor unit installation location
Do not install the unit in excessive oil fume area such as kitchen, workshop and etc.
The location should be strong enough to support the main unit without vibration.
There should not be any heat or steam source nearby.
Drainage should be easy. Avoid locating the drain port close to ditches (domestic wastewater).
Avoid locations above entrances and exits.
Do not block the air intake and discharge passages.
Select the location that enables the cool and warm air to spread out to the entire room.
Locate the indoor unit at least 1 m or more away from a TV, radio, wireless appliance, antenna cable and
fluorescent light, and 2 m or more away from a telephone.
Installation height for indoor unit must be at least 2.5m from floor.
CAUTION
Install the remote controller cable at least 5 cm away
from electric wires of other appliances to avoid miss-
operation (electromagnetic noise).
from electric wires of other appliances to avoid miss-
operation (electromagnetic noise).
■ Remote control mounting location
Allow sufficient space around the remote
controller 1 as shown in the illustration at right.
Install in a place which is away from direct sunlight
and high humidity.
Install in a flat surface to avoid warping of the
remote controller. If installed to a wall with an
uneven surface, damage to the LCD case or
operation problems may result.
uneven surface, damage to the LCD case or
operation problems may result.
Install in a place where the LCD can be easily
seen for operation. (Standard height from the floor
is 1.2 to 1.5 meters.)
is 1.2 to 1.5 meters.)
Avoid installing the remote controller cable near
refrigerant pipes or drain pipes, else it will cause
electrical shock or fire.
electrical shock or fire.
Remote controller
1
Upper
case
case
Lower case
30 mm or more
Remote
controller
lower case
30 mm
or
more
30 mm or more
30 mm
or
more
12.1.2 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, be sure to use the sleeve for
tube assembly to prevent pests from damaging the
cables, e.g. mice biting the connection cable.
tube assembly to prevent pests from damaging the
cables, e.g. 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
through hole
Sleeve
for tube
assembly
for tube
assembly
Approx.
5 - 7 mm
Bushing for
tube assembly
tube assembly
Wall
Outdoor
Indoor
40
12.1.3 Installing the Indoor Unit (Installation Embedded in the Ceiling)
12.1.3.1 Preparation before installation
Always provide sufficient entry and exit space to allow installation work, inspection and unit replacement.
Waterproof the rear surface of the ceiling below the unit in consideration of water droplets forming and dropping.
CAUTION
When cooling operation is performed for an extended period under the following conditions, water droplets may form and drop. Attach locally
purchased insulation (foamed polyethylene with a thickness of 5 mm or more) to the outside of the indoor unit before installing into the ceiling
to improve heat insulation.
purchased insulation (foamed polyethylene with a thickness of 5 mm or more) to the outside of the indoor unit before installing into the ceiling
to improve heat insulation.
Locations with a dew point inside the ceiling of 23°C or more
Kitchens and other locations that produce large amounts of heat and steam
Locations where the inside of the ceiling serves as an outside air intake passage
Locations where the inside of the ceiling serves as an outside air intake passage
When installing into a ceiling, select the unit position and airflow direction that enable the cool and warm
air to spread out to the whole room.
Do not place objects that might obstruct the airflow within 1 m below the intake grill.
Required Minimum Space for installation and Service
Flange for air outlet duct
564
824 (Suspension bolt pitch)
Inspection
access
450 x 450
Electrical
component box
component box
Refrigerant tubing
Min. 650 or more
Min.
200 or
more
200 or
more
Min.
200
or
more
Min. 100 mm or more for bottom air intake
Ceiling
Min. 20 or more
Min. 20 or more
*H=Min.
240
200
H dimension means the minimum height of the unit installation space.
Select H dimension such that a downward slope of at least 1/100 is ensured. Refer to 12.1.4 “Connecting the
drain piping”
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