6-
1-5
.
Applied Control of Indoor Unit
Control system using remote control interface (TCB-IFCB4E2)
Wiring and setting
• In the case of group control, the control system functions as long as it is connected to one of the indoor units
(control P.C. board) in the group. If it is desired to access the operation and
trouble
statuses of other units,
relevant
signals must be brought to it from those units individually.
▼
Control items
(1) Start/Stop input signal
Start/stop of unit
(2)
In-operation signal
(3) Trouble
signal
Output present while unit in normal operation
Output present while alarm (e.g. serial communication
trouble
or operation of protective
device for indoor/outdoor unit) being activated
▼
Wiring diagram of control system using remote control interface (TCB-IFCB4E2)
Input
Output
IFCB4E2: No-voltage ON/OFF serial signal
No-voltage contact (in-operation and
trouble
indication)
Contact capacity: Max. AC 240V, 0.5A
1
2
3
4
5
6
1
2
3
4
CN61
T10
(yellow)
1
2
3
4
5
6
CN13
CN06
Indoor control P.C. board
Start/stop input
COM (GND)
Remote controller disabling/enabling input
In-operation signal output
COM (+12V)
Trouble
signal output
Power source 220-240V
ON side
COM
Start signal input
In-operation signal output
Trouble
signal output
OFF side
Stop signal input
TCB-IFCB4E2
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