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7-5. Applied Control in Indoor Unit
Remote location ON/OFF control box (TCB-IFCB-4UL)
[Wiring and setup]
• Use the exclusive connector for connection with the indoor control P.C. board.
• In a group control, the system can operate when connecting with any indoor unit (Control P.C. board) in
the group. However when taking out the operation/error signal from the other unit, it is necessary to take
out from each unit individually.
1. Control items
1) Start/Stop input signal : Operation start/stop in unit
2) Operation signal : Output during normal operation
3) Error signal : Output during alarm
(Serial communication error or indoor/outdoor protective device) operation
2. Wiring diagram using remote control interface (TCB-IFCB-4UL)
Input IFCB-4UL : No voltage ON/OFF serial signal
Output No voltage contact for operation, error display
Contact capacity: Below Max. AC240V 0.5A
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