2. Wireless Remote Controller
3. Wiring the Receiver
Wiring diagram
Type of wiring
Use cables of 0.5 to 1.25 mm
Total wire length: 400 m or less
(The wire length between indoor
units should be 200 m or less.)
Number of connectable units
Remote controller and receiver: Max. 2, Indoor unit: Max. 8
Attention
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.
For the RC wiring of field supply, please use insulated wires with sheath.
The insulation thickness should be at least 1 mm.
Regulations on wire diameters differ from locality to locality. For field wiring
rules, please refer to your LOCAL ELECTRICAL CODES before beginning.
You must ensure that installation complies with all relevant rules and regulations.
*Wiring as shown below is prohibited.
Wired RC
1 2
R1 R2
n I
d
o
r o
Using 1 indoor unit
Installation
example
After installation, according to the "Main/Sub setting" in the "Setting" section, set one to [Main] and the other to [Sub].
Setting the wired remote controller to [Main] is recommended.
Note
Specifications
Model No.
8
Dimensions
Weight
Temperature/Humidity range
Power Source
Wiring for the receiver
Indoor unit
.
2
R1
R2
Receiver
1 2
RC wiring
R1 R2
u
n
t i
n I
d
o
r o
u
n
t i
Installation when setting Main/Sub for the remote controller and the receiver
R
e
c
e
v i
r e
S (
u
) b
Wired RC (Main)
1 2
1 2
Terminals for
RC wiring
RC wiring
f (
e i
d l
s
u
p
l p
) y
• No polarity
R1 R2
Indoor unit
The remote controller and the receiver can be connected to any indoor unit for operation.
CZ-RWSC3
(H) 120 mm × (W) 70 mm × (D) 20 mm
75
0 °C to 40 °C / 20 % to 80 % (No condensation)
*Indoor use only.
DC16 V (supplied from indoor unit)
Receiver
RC wiring (fi eld supply)
• No polarity
Terminals for RC wiring
1 2
R1 R2
n I
d
o
r o
u
n
t i
Receiver
Using more than 1 indoor unit
R
e
c
e
v i
r e
S (
u
) b
1 2
RC wiring (fi eld supply)
• No polarity
R1 R2
R1 R2
Indoor unit
Indoor unit
8-18
Control of 2WAY SYSTEM
1
2
Wired RC (Main)
1 2
R1 R2
R1 R2
Indoor unit
Indoor unit