8
8
If a group of units are to be controlled by 2 remote controllers:
* Main/sub remote controllers will work regardless of which indoor
unit they are installed.
Use wiring of 0.5 mm
2
to 2 mm
2
for field supply.
Make the total wire length when cross-wiring a group no
more than 200 m.
When 1 indoor unit is operated by 2 remote controllers:
* Either of the remote controllers can be set to main/sub.
Use wiring of 0.5 mm
2
to 2 mm
2
for field supply.
Use a total wire length of no more than 400 m.
CN1
1 2
1 2
Wireless Remote Controller Kit Wired Remote Controller
(Sold Separately)
Receiver
(Sold Separately)
Remote Controller Wiring
(Field Supply)
Indoor Unit
* (Main)
* (Sub)
Wireless Remote
Controller Kit
1st Indoor
Unit
2nd Indoor
Unit
3rd Indoor
Unit
4th Indoor
Unit
* (Main)
* (Sub)
Cross-wiring Remote controllers for Group
Control (Field Supply)
Wired
Remote Controller
CN1
1 2
1 2
Installation when setting Main/Sub for the remote controller and the receiver
1 2
1 2
R1 R2
R1 R2
R1 R2
R1 R2
RC wiring (field supply)
•
No polarity
Indoor unit
Indoor unit
Indoor unit
Indoor unit
1 2
1 2
R1 R2
Terminals for
RC wiring
)
b
u
S
(
r
e
v
i
e
c
e
R
)
b
u
S
(
r
e
v
i
e
c
e
R
)
n
i
a
M
(
C
R
d
e
ri
W
)
n
i
a
M
(
C
R
d
e
ri
W
Indoor unit
Using 1 indoor unit
Using more than 1 indoor unit
RC wiring
(field supply)
•
No polarity
Installation
example
After installation, according to the “Settings” section, set one to [Main] and the other to [Sub].
Setting the wired remote controller to [Main] is recommended.
Attention
Multiple wireless/infrared remote controllers cannot be used simultaneously for a single indoor unit.
Be careful not to connect cables to other terminals of indoor units (e.g. power source wiring terminal). Malfunction may occur.
Do not bundle together with the power source wiring or store in the same metal tube. Operation error may occur.
If noise is induced to the unit power supply, attach a noise filter.
* Wiring shown below is prohibited.
R1 R2
R1 R2
R1 R2
1 2
1 2
1 2
Wired RC
Receiver
Indoor unit
Indoor unit
Indoor unit
RC wiring
Receiver
The remote controller and the receiver can be connected to any indoor unit for operation.
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