Toshiba MMU-AP0072H2UL Service Manual page 64

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
3) Error signal
2. Wiring diagram using remote control interface (TCB-IFCB-4UL)
Input
Output
Indoor control P.C. board
Remote controller prohibition/clear input
Operation signal output
Error signal output
: Output during normal operation
: Output during alarm
(Serial communication error or indoor/outdoor protective device) operation
IFCB-4UL : No voltage ON/OFF serial signal
No voltage contact for operation, error display
Contact capacity: Below Max. AC240V 0.5A
Start/Stop input
1
COM (GND) 2
3
4
COM (+12V) 5
6
CN61
T10
(YEL)
Remote location ON/OFF control box
(TCB-IFCB-4UL)
1
2
3
4
CN06
1
2
3
4
5
6
CN13
Power supply 208/230-1-60
64
ON/OFF serial
signal input
COM
Operation signal output
Error signal output