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Basic wiring diagram
• Interconnecting cable wire are produced locally.
• Using the specified wires, ensure to connect the wires and fix wires securely, so that the
external tension to the wires does not affect the connecting part of the terminals. Incomplete
connection or fixation may cause.
External ventilation device
+
-
External buzzer device
+
-
Output connector can be connected the external device (Ventilation, external buzzer device
and etc.) When the Leak Detector detects leakage, outputs the signal to these device.
When the buzzer is stopped, Output 1(CN64) will keep to output, Output 2(CN65) will stop to
output.
So the external buzzer is recommended to connect to Output 2 (CN65)
Output signal table
Status of the Leak Detector
Monitoring (Normal)
Preparing (Startup)
Advance notice of the life of
refrigerant leak detection sensor
Refrigerant leak detection sensor
exceeding its life of the product
Abnormal
Refrigerant leak detection
After cancelled alarm sound
*1 : It is 0.5 seconds interval.
DC12 V~DC24 V
DC12 V~DC24 V
Leak Detector operation
Operation
Malfunction
Alarm lamp
LED
LED
ON
OFF
OFF
Blinking
OFF
OFF
*1
ON
Blinking
OFF
*1
ON
ON
OFF
ON/Blinking
ON
OFF
*1
ON
OFF
Blinking
ON
OFF
Blinking
Leak Detector
Connecting wires
(Accessory)
External output
Alarm sound
Output 1
Output 2
(CN64)
(CN65)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Ringing
ON
ON
*1
OFF
ON
OFF
*1
10
Indoor Unit
A B
A
Remote controller
Remote
Indoor
controller
unit
status
operation
Normal
Normal
Normal
Normal
Notice code
Normal
J31
Normal
J29
Normal
Stop /
J30
Circulate operation
Stop (system lock)
Stop /
J30
Circulate operation
Stop (system lock)
B
Outdoor
unit
operation
Normal
Normal
Normal
Normal
Normal
Normal /
Normal /
10-EN
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