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17
English
8-6 FOR CONTROL WITH 2 REMOTE CONTROL-
LERS (TO CONTROL 1 INDOOR UNIT WITH 2
REMOTE CONTROLLERS)
•
For control with 2 remote controllers, set one remote control-
ler as main and the other remote controller as sub.
< Changeover method from main to sub and vice versa >
Refer to the installation manual attached to the remote con-
troller.
< Wiring method >
(1)
Remove the control box lid according to the “
8-4 WIRING
CONNECTION METHOD
”.
(2)
Carry out additional wiring from the remote controller 2
(Sub) to the terminals (P1·P2) for remote controller wir-
ing on the terminal block (X1M) in the control box.
< Caution >
When using the group control and the 2 remote controllers
control at the same time, connect the remote controller 2
(Sub) to the indoor unit at the end of the crossover wiring (the
largest No.).
(Refer to Fig. 44)
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 manual attached to the centralized
equipment.
•
Connect the centralized equipment to the indoor unit con-
nected 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 connecting 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, set-
ting by remote controller is required.
(Refer to “
10. FIELD SETTING AND TEST OPERATION”
)
Fig. 43
No polarity
Remote controller 2
(Sub)
Remote controller 1
(Main)
Terminal block (X1M) for
remote controller wiring (P1, P2)
Fig. 44
Indoor unit 1
Indoor unit 2
Indoor unit Largest No.
Crossover wiring
(Remote controller)
Remote
controller 1
(Main)
Remote
controller 2
(Sub)
Wiring specification
Sheathed vinyl cord or 2 core cable
Wiring size
0.75-1.25mm
2
Wiring length
Max. 100m
External contact
specification
Contact that can make and break the
min. load DC15V
·
1mA
In case of
FORCED
OFF
FORCED OFF by input
A of “ON” (Remote
controller prohibited)
Remote controller per-
mitted by input A of
“OFF”
In case of
ON/OFF
OPERA-
TION
Operation by input A of
“OFF”
“ON”
Stop by input A of
“ON”
“OFF”
FORCED
OFF
Input A
F2 T1 T2
01_EN_3P177351-7S.fm Page 17 Thursday, March 21, 2013 10:19 PM