14 Electrical installation
Installation and operation manual
18
FAA71+100BUV1B
Split system air conditioner
3P654518-1A – 2021.03
1
3
2
P
1
REMOTE
CNTRL
TRANSMISSION
WIRING
FORCED
OFF
T
2
P
2
F
1
F
2
T
1
1
3
2
e
70~90
10~20
R-Ctrl D III-Net
F1 F2 T1 T2
P1 P2
70~90
7
b
c
d
a
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)
P
1
P
2
2
1
3
P
1
P
2
2
1
3
e
b
c
d
a
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)
2
1
3
P
1
P
2
P
1
P
2
P
1
P
2
2
1
3
1 2 3
e
c
d1
d2
b
a
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)
P
1
P
2
1 2 3
2
1
3
1 2 3
P
1
P
2
P
1
P
2
P
1
P
2
2
1
3
2
1
3
1 2 3
e
c
c
c
d1
d2
d2
b
b
b
a
a
a
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.
b(1)
b(2)
b(16)
d
a(1)
c
a(2)
a(16)
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.
