18
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Electrical installation
Installer and user reference guide
72
FHA-A(9)
Split system air conditioner
4P708119-1 – 2022.11
b
Residual current device
c
Outdoor unit
d
Indoor unit
e
User interface
Simultaneous operation system: 1 user interface controls up to 4 indoor units in
1 pair system (all indoor units operates equally)
2
1
3
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
2
1
3
e
c
d1
d2
d2
d2
b
a
2
1
3
2
1
3
2
1
3
a
Power supply
b
Residual current device
c
Outdoor unit
d1
Indoor unit (master)
d2
Indoor unit (slave)
e
User interface
Connect the remote controller only to the master indoor unit. The thermistor
reading of room temperature is effective only for the indoor unit connected to the
user interface.
Refer to
▪
Number of the connected indoor units as simultaneous operation system
▪
Simultaneous operation system individual setting
Group control: 1 user interface controls up to 4 pair systems (all indoor units
operate according to the user interface)
2
1
3
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
2
1
3
e
c
d1
d1
d1
d1
b
a
2
1
3
c
b
a
2
1
3
c
b
a
2
1
3
c
b
a
2
1
3
2
1
3
2
1
3
P
1
P
2
d2
2
1
3
a
Power supply
b
Residual current device
c
Outdoor unit
d1
Indoor unit (master)
d2
Indoor unit (slave)
e
User interface
▪
You may control up to 16 units with 1 remote controller (combination of
simultaneous operation and group control)
Summary of Contents for FHA100AVEB8
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