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13
English
1. When using 1 remote controller (Normal operation)
L1L2
IN/D OUT/D
F
1 F2 F1 F2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
Control box
Power Supply
208/230V
1~ 60Hz
Outdoor unit
Indoor unit
Remote
controller
L
1
L
2
Fig. 25
2. When using 2 remote controllers
Fig. 26
P
1
P
2
P
1
P
2
L1L2
IN/D OUT/D
F
1 F2 F1 F2
P
1
P
2
F
1
F
2
T
1
T
2
Control box
For use with
2 remote
controllers
Power Supply
208/230V
1~ 60Hz
Outdoor unit
Indoor unit
L
1
L
2
[ PRECAUTIONS ]
1. Do not ground the equipment on gas pipes, water pipes
or lightning rods, or crossground with telephones.
Improper grounding could result in electric shock.
2. The remote controller wiring (P
¹
and P
²
) and transmis-
sion wiring (F
¹
and F
²
) have no polarity.
8-3 CONTROL BY 2 REMOTE
CONTROLLERS (Controlling 1 indoor unit by 2
remote controllers)
• When using 2 remote controllers, one must be set to
“MAIN” and the other to “SUB”.
〈Main/sub changeover〉
• Refer to the installation manual supplied with the remote
controller.
〈Wiring method〉
(1) Remove the control box cover.
(2) Add the remote controller 2 (SUB) to the terminal block
for remote controller (P
¹
, P
²
) in the control box. (There is
no polarity.)
Remote controller wiring
terminal block
Remote
controller 2
(SUB)
Remote
controller 1
(MAIN)
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
REMOTE
CONTRL
TRANSMISSION
WIRING
Fig. 27
8-4 REMOTE CONTROL (FORCED OFF AND ON/
OFF OPERATION)
• Connect input lines from the outside to the terminals T
¹
and T
²
on the terminal block (6P) for remote controller to
achieve remote control.
• See “9. FIELD SETTING” for details on operation.
Input A
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
REMOTE
CONTRL
TRANSMISSION
WIRING
Fig. 28
Wire specication Sheathed vinyl cord or 2 core cable
Gauge AWG18 – 16 (0.75-1.25 mm
2
)
Length Max. 328 ft. (100 m)
External terminal
Contact that can ensure the minimum
applicable load of 15 V DC, 1 mA.
8-5 CENTRALIZED CONTROL
• For centralized control, it is necessary to designate the
group No. For details, refer to the manual of each optional
controllers for centralized control.
01_EN_3PN07521-5H.indd 13 7/9/2018 14:13:36
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