8
8
C ont r ol of 2 W A Y SYSTEM
2. Wireless Remote Controller
3 . Wiring the Receiv er
Specifications
Wiring for the receiver
Wiring diagram
Ty pe of wiring
Use cables of 0.5 to 1.25 mm
2
.
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: M ax. 2, Indoor unit: M ax. 8
A ttention
R1 R2
R1 R2
R1 R2
1 2
1 2
1 2
Wired RC
Receiver
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RC wiring
Receiver
* Wiring as shown below is prohibited.
1
2
R1
R2
Indoor unit
Terminals for RC wiring
Receiver
RC wiring (fi eld supply)
No polarity
M odel No.
CZ-RWSC3
Dimensions
(H ) 120 mm × (W) 70 mm × (D) 20 mm
Weight
75
Temperature/H umidity range
0 °C to 40 °C / 20 % to 80 % (No condensation)
* Indoor use only.
Power Source
DC16 V (supplied from indoor unit)
I nstallation when setting M ain/ Sub f or the remote controller and the receiv er
After installation, according to the " M ain/Sub setting" in the " Setting" section, set one to [ M ain] and the other to [ Sub] .
Setting the wired remote controller to [ M ain] is recommended.
The remote controller and the receiver can be connected to any indoor unit for operation.
Note
1 2
1 2
R1 R2
R1 R2
R1 R2
R1 R2
RC wiring (fi eld supply)
No polarity
Indoor unit
Indoor unit
Indoor unit
Indoor unit
1 2
1 2
R1 R2
Terminals for
RC wiring
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Wired RC (M ain)
Wired RC (M ain)
Indoor unit
Using 1 indoor unit
Using more than 1 indoor unit
RC wiring
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No polarity
Installation
example
Be careful not to connect cables to other terminals of indoor units (e.g. power source wiring
terminal). M alfunction 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.
Y ou must ensure that installation complies with all relevant rules and regulations.
C ont r ol of 2 W A Y SYSTEM
2. Wireless Remote Controller
4. Setting A ddress Switches
5 . Test operation
M ain/ Sub setting
A ddress setting
Remov e the top case of the receiv er f or setting.
M ain/Sub setting
1 2 3 4
Switch
ON
OFF
U se this to set M ain/ Sub f or the remote controller and the receiv er.
Set one to [ M ain] and the other to [ Sub] .
Factory def ault: [ M ain]
I t is recommended to set the wired remote controller to [ M ain] .
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M ain/ Sub switch position
1 2 3 4
1 2 3 4
Address setting
When more than 1 receiver is installed in the same room, setting addresses prevents interference.
For how to change addresses of wireless remote controllers, see operating instructions of wireless remote controllers.
Wireless
remote controller
address display
Address
Address
Address
Address
Address
Address
Address
A L L
1
2
3
4
5
6
Address
switch position
Receiving is
possible at all
address positions.
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
Preparation : Turn on the circuit breaker of units and then turn the power on. After the power is turned on, remote controller operation is ignored
for approx. 1 minute because setting is being made. This is not malfunction. (Contents received while setting are disabled.)
1. To start test operation, press and hold the emergency operation button for 10 seconds.
2. The indication lamps (OPERATION, TIM ER, STANDBY ) blink during test operation.
.
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A ttention
Do not use this mode for purposes other than the test operation.
(To prevent overload of the units)
Read the installation instructions supplied with the units.
Any of the H eat, Cool and Fan operations can only be performed.
Temperature cannot be changed.
The test operation mode is automatically turned off in 60 minutes.
(To prevent continuous test operation)
Outdoor units do not operate for approx. 3 minutes after the power is
turned on or operation is stopped.
Self -diagnostics table and detected contents
The " Alarm Display" as shown in the table below expresses the alarm contents displayed when the wired remote controller is connected. For
how to handle the alarms, see installation instructions of indoor units or technical guide.
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A larm D isplay
OPERA TI ON
TI M ER
STA ND BY
Blink ing
Communication error in the remote controller circuit
E01– E03, E08– E14, E17, E18
Communication error either in the in/outdoor operation line or
the sub-bus of the outdoor unit
E04– E07, E15, E16, E19 – E31
Operation of indoor protection device
P01, P09 – P14
Alternately
1
3
P
–
5
1
P
,
8
0
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–
2
0
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Alternately
1
1
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–
0
1
F
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3
0
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–
1
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Alternately
8
2
F
–
2
1
F
,
9
0
F
–
4
0
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Alternately
9
2
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Simultaneously
1
3
F
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3
F
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Simultaneously
1
3
H
–
1
0
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9
0
L
–
5
0
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,
3
0
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–
1
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Simultaneously
1
3
L
–
0
1
L
,
4
0
L
s
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Simultaneously
Inconsistency in Air/H eat (Including an auto-temp setting
for a model without auto-temp settings)
Alternately
Oil Alarm (Same as operation of outdoor protection device)
Alternately
Test operation
Simultaneously
: OFF
: ON (Illuminated)
: Blinking (0.5 seconds interval)
8-18
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