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14 Electrical installation
c
d
b
P1 P2
F1 F2 T1 T2
R-Ctrl D III-Net
a
Interconnection wiring terminal
b
User interface wiring terminal
c
Interconnection wiring cable
d
User interface terminal wiring cable
e
Small tie wrap (accessory)
Electrical wiring route:
a
a
Electrical wiring
Complete system wiring example
For the wiring of outdoor units, refer to the installation manual
attached to the outdoor units.
Pair type: 1 remote controller controls 1 indoor unit (standard)
a
b
c
1
2
3
1
2
3
d
P
P
1
2
e
P
P
1
2
a
Power supply
b
Residual current device
c
Outdoor unit
d
Indoor unit
e
User interface
Simultaneous operation system: 1 user interface controls 2
indoor units (2 indoor units operates equally)
Installation and operation manual
18
a
1
2
3
1
2
3
e
P
P
F
F
T
T
1
2
1
2
1
2
REMOTE
TRANSMISSION
FORCED
CNTRL
WIRING
OFF
a
b
1
2
3
c
d1
1
2
3
P
P
1
2
e
P
P
1
2
a
Power supply
b
Residual current device
c
Outdoor unit
d
Indoor unit
e
User interface
Group control: 1 remote controller controls up to 4 indoor units
(all indoor units operate according to the user interface)
a
b
1 2 3
c
c
1
2
3
1
d1
d2
P
P
1
2
e
P
P
1
2
a
Power supply
b
Residual current device
c
Outdoor unit
d1
Indoor unit (master)
d2
Indoor unit (slave)
e
User interface
▪ When using a pair type system as a master system for
simultaneous multiple unit operation, you may carry out
simultaneous start/stop (group) control up to 16 units with 1
remote controller. (All indoor units operate according to the user
interface)
▪ The thermistor reading of room temperature is effective only for
the indoor unit connected to the user interface.
c
a(1)
b(1)
b(2)
d
a
Outdoor unit (number)
b
Indoor unit (number)
c
Slave indoor unit
d
User interface
2 remote controllers control: 2 remote controllers control 1
indoor unit.
d2
1 2 3
P
P
1
2
a
a
b
b
1
2
3
1 2 3
c
2
3
1 2 3
d2
P
P
P
1
2
1
a(2)
a(16)
b(16)
FAA71+100BUV1B
Split system air conditioner
3P654518-1A – 2021.03
P
2
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