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7-4. 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/trouble 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) Trouble signal
: Output during alarm
(Serial communication trouble 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, check display
Contact capacity: Below Max. AC240V 0.5A
1
2
3
4
5
6
CN61
T10
(YEL)
1
2
3
4
1
2
3
4
5
6
CN13
CN06
Start/Stop input
ON/OFF serial
signal input
Indoor control P.C. board
Remote location ON/OFF control box
(TCB-IFCB-4UL)
COM (GND)
Remote control prohibition/clear input
Operation signal output
COM (+12V)
Trouble signal output
COM
Operation signal output
Check signal output
Power supply 208/230-1-60
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