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Basic wiring limitation
Remote controller wiring
Type of wiring
• Use cables of 0.5 to 2.0 mm
Total wire length
• Maximum length between Leak Detector
and header indoor unit (DN14=1) : 100 m
Rating
Output1 (CN64)
Maximum Voltage: DC 25 V
Maximum Current: 0.2 A
Status
Output2 (CN65)
Maximum Voltage: DC 25 V
Maximum Current: 0.2 A
Correct wiring diagrams
Indoor unit
Remote
Leak Detector
controller
Indoor unit
Indoor unit
(Group connecting)
Leak Detector
•
Only one Leak Detector can connect to one Indoor unit.
•
Only one Leak Detector can connect in one group connecting.
• After refrigerant piping has been connected, do not turn on the power until gas leakage
check is finished. If refrigerant gas leaks, then Leak Detector in the system will operate,
causing air conditioner not to operate.
11-EN
(Min. 0.5 mm
2
: 300 m or less
Leak Detector side
Terminal name
Output 1 or 2
non porarity
100 m or less / 0.75 mm
Ext output wiring
Type of wiring
)
• Use cables of 0.75 to 2.0 mm
2
Total wire length
Terminal
DC12 V
2
Wirings as shown below are prohibited
Indoor unit
Remote
Leak Detector
controller
Indoor unit
Indoor unit
Leak Detector
Leak Detector
CAUTION
11
(Min. 0.75 mm
2
: 100 m or less
External equipment side
Circuit example
Rated coil
~
DC24 V
Voltage
DC12 V ~ 24 V
Relay
Indoor unit
Leak Detector Leak Detector
(Group connecting)
)
2
Condition
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