Installation Instructions
Wireless Remote Controller
CZ-RWSD2U
Model No.
Safety Precautions
WARNING
• Turn off the circuit breaker of the units
Read before installation
before installation.
Read the Installation Instructions carefully
• Ask your dealer or professionals for
to install the remote controller correctly and
installation and electric work.
safely.
• This controller shall be installed in
Be sure to read the Safety Precautions in
accordance with National Wiring
particular before installation.
Regulations.
After the installation is complete, perform
• Connect and fix the specified cables for
test operation to confirm that no abnormality
wiring securely.
is present.
• Do not allow the connection to be exposed
We assume no responsibility for accidents
to the external force of the cables.
or damages resulting from methods other
• Choose an installation location that
than those described in the installation
sufficiently supports the weight of the
instructions or methods without using
remote controller.
specified parts.
Malfunctions that occurred due to the
CAUTION
unauthorised installation methods are not
covered by the product warranty.
Do not use the remote controller at the
Read the installation instructions supplied
following locations.
with indoor units as well.
• Location where condensation occurs
• Location where flammable gases, etc. may
WARNING
leak
• Location where corrosive gases, etc. may
This symbol refers to a hazard or unsafe
leak
practice which can result in severe personal
injury or death.
• Location with lots of water or oil droplets
(including machine oil)
• Location where voltage fluctuation
CAUTION
frequently occurs
• Location where there is a machine
This symbol refers to a hazard or unsafe
producing electromagnetic radiation
practice which can result in personal injury or
• Location where droplets of organic
product or property damage.
solvents spread
• Location where acidic or alkaline solutions
or special sprays are frequently used
Do not operate with wet hands.
Do not wash with water.
Printed in Japan
DC0815-0
85464369842010
CV 6233317731
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1-4. Wiring for the Receiver
Wiring Diagram
Receiver PCB
Indoor unit
Terminals for RC
CN001
wiring
1
2P white
2
How to Connect the Wires
Connect the wires from the receiver to the terminals for RC
on the indoor unit. (No polarity)
wiring
Installation Location for the Reciver
The wireless remote controllers use a very weak infrared light for its signal, which can result in the signal
not being received because of the following influences, so take care in where the unit is installed.
• Inverter or rapid-start type fluorescent lights (Models without glow lamps)
• Plasma display or LCD televisions
• Direct sunlight or other sources of bright light
Attention
Multiple wireless remote controllers cannot be used simultaneously for a single indoor unit.
Be careful not to connect cables to other terminals of indoor units (e.g. power source wiring terminal).
Malfunction may occur.
Do not bundle together with the power source wiring or store in the same metal tube. Operation error may
occur.
If noise is induced to the unit power supply, attach a noise filter.
*Wiring shown below is prohibited.
Wired RC
Receiver
1 2
1 2
RC wiring
R1 R2
1 2
R1 R2
R1 R2
Indoor unit
Indoor unit
Indoor unit
Receiver
Installation when setting Main/Sub for the remote controller and the receiver
Using 1 indoor unit
Using more than 1 indoor unit
Installation
Receiver (Sub)
Wired RC (Main)
Receiver (Sub)
Wired RC (Main)
example
1 2
1 2
1 2
1 2
RC wiring (field supply)
• No polarity
Terminals for
RC wiring
RC wiring
(field supply)
• No polarity
R1 R2
R1 R2
R1 R2
R1 R2
R1 R2
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
After installation, according to the “Settings” section, set one to [Main] and the other to [Sub].
Setting the wired remote controller to [Main] is recommended.
Note
The remote controller and the receiver can be connected to any indoor unit for operation.
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