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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.
Terminal block (X1M) for
remote controller wiring (P1, P2)
No polarity
Remote controller 1
(Main)
Fig. 43
< 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)
Indoor unit 1
Indoor unit 2
Remote
controller 1
(Remote controller)
(Main)
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.
17
Remote controller 2
(Sub)
Indoor unit Largest No.
Remote
Crossover wiring
controller 2
(Sub)
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.
F2 T1 T2
FORCED
OFF
Wiring specification
Wiring size
Wiring length
External contact
specification
(2) Actuation
• Input A of FORCED OFF and ON/OFF OPERATION will
be as the table shown below.
In case of
FORCED OFF by input
FORCED
A of "ON" (Remote
OFF
controller prohibited)
In case of
ON/OFF
Operation by input A of
"OFF" "ON"
OPERA-
TION
(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")
Input A
Sheathed vinyl cord or 2 core cable
2
0.75-1.25mm
Max. 100m
Contact that can make and break the
min. load DC15V · 1mA
Remote controller per-
mitted by input A of
"OFF"
Stop by input A of
"ON" "OFF"
English
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