23 English
8-7 FOR CENTRALIZED CONTROL
• When centralized equipment (such as centralized controller) is used for control, it is required to set the
group No. on the remote controller.
For details, refer to the manuals attached to the centralized equipment.
• Connect the centralized equipment to the indoor unit connected to the remote controller.
8-8 FOR REMOTE CONTROL (FORCED OFF OR ON/OFF OPERATION)
(1) Wiring method and specification
• Remote control is available by transmission the external input to the terminals T1 and T2 on the terminal
block for remote controller and transmission wiring.
(2) Actuation
• Input A of FORCED OFF and ON/OFF OPERATION will be as the table shown below.
(3) How to choose FORCED OFF or ON/OFF OPERATION
• For choosing FORCED OFF or ON/OFF OPERATION, setting by remote controller is required.
(Refer to 10. FIELD SETTING AND TEST OPERATION)
In case of
FORCED OFF
FORCED OFF by input A of “ON”
(Remote controller prohibited)
Remote controller permitted by
input A of “OFF”
In case of ON/OFF
OPERATION
Operation by input A of “OFF”
→
“ON” Stop by input A of “ON”
→
“OFF”
Remote controller 1 (Main) Remote controller 2 (Sub)
Crossover wiring (Remote controller)
Indoor unit 1 Indoor unit 2 Indoor unit largest No.
Fig. 34
F2 T1
FORCED
OFF
T2
Input A
Wiring specification Sheathed vinyl cord or 2 core cable
Wiring size
0.75-1.25mm
2
Wiring length Max. 100m
External contact spec
Contact that can make and break the
min. load of DC15V · 1mA
01_EN_3P249378-8N.fm Page 23 Saturday, September 29, 2012 3:02 PM
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