Daikin FAA-B - Page 18

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 T2P1 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)
P1 P2
21 3
P1 P2
21 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)
21 3
P1 P2
P1 P2
P1 P2
21 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)
P1 P2
1 2 3
21 3 1 2 3
P1 P2 P1 P2 P1 P2
21 3 21 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.