English
14
<< No. 3 system: When BS unit is used >>
WARNING
Be sure to install an earth leakage breaker.
Failure to do so may cause electric shocks and a fire.
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
controller.
<Wiring method>
(1) Remove the control box lid according to the wiring connec-
tion method.
(2) Carry out additional wiring from the remote controller 2
(Sub) to the terminals (P
1
, P
2
) for remote controller wiring
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. 34)
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 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 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
)
Outdoor unit
BS unit
L
N
Indoor unit A
Remote controller
(option)
F2
F1
F2
F1
F2
F1
F2
F1
IN/D
IN/D
OUT/D
OUT/D
P2
P1
F2
N
F1
L
T1T2
P1P2
Power supply
220-240V/220V
1 ~
50Hz/60Hz
Remote controller 1
(Main)
Remote controller 2
(Sub)
Terminal for remote
controller wiring
Fig. 33
P
1
P
2
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
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 OPERA-
TION
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
01_EN_3P368557-2D.fm Page 14 Wednesday, February 13, 2019 2:46 PM
