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Electrical installation
Installer and user reference guide
72
FAA71+100BUV1B
Split system air conditioner
4P654517-1 – 2021.03
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.
2
1
3
P
1
P
2
2
1
3
e(1)
e(2)
b
c
d
a
P
2
P
1
P
2
P
1
a
Power supply
b
Residual current device
c
Outdoor unit
d
Indoor unit
e
User interface
1
Remove the service cover.
2
Lay crossover between the terminals (P1, P2) inside the control box for the
remote controller (there is no polarity). For simultaneous operation system,
be sure to connect the user interface to the master unit.
P1 P2 F1 F2
b
a
c
a
Terminal block (X1M) (Master unit)
b
User interface (MAIN)
c
User interface (SUB)
3
When using 2 user interfaces, one must be set to “MAIN” and the other to
“SUB”. For setting refer to the installation manual of the connected user
interface.
