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HVAC Solution
TM
1.2 Control System List
1. Installation Method
12 V
Red
Signal
Yellow
GND
Black
⇒ The total cable length must not exceed 50m. (It can cause communication error.)
2. Group Control
Master
Slave
GND
Signal
DC 12 V
⇒ When controlling multiple indoor units with one remote controller, you must change the master/slave setting
from the indoor units.
3. Interlocked operation with the ventilation
Master(IDU)
GND
Signal
DC 12 V
⇒ When installing interlocked scene with wired remote controller, use group control cable.
Outline of system
Please check if connector is normally connected.
Connecting cable
※
: AWG#24
Slave
DC 12 V
GND
Signal
Master(Ventilation)
Indoor Unit side
General Information
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