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FXHA-A
VRV system air conditioner
4P673749-1A – 2022.11
l Connection of power supply cable
m Wiring fixture fixed with a screw (accessory)
n Tie wrap (accessory)
7 Seal all gaps with sealing material (accessory) to prevent small animals from
entering the system.
8 Reattach the service cover.
Complete system example
1 user interface controls 1 indoor unit.
TO IN/D
TO OUT/D
N
L
N L
P
P
F
F
T
T
1
2
1
2
1
2
b
P
P
1
2
c
a Outdoor unit
b Indoor unit
c User interface
d Most downstream indoor unit
NOTICE
For the use of group control and related limitations refer to manual of outdoor unit.
CAUTION
▪
Each indoor unit has to be connected to a separate user interface. Only a safety
system compatible remote controller can be used as the user interface. See
technical data sheet for remote controller compatibility (e.g. BRC1H52/82*).
▪
The user interface has to be put in the same room as the indoor unit. For details,
please refer to the installation and operation manual of the user interface.
CAUTION
In case shielded wire is used, connect the shielding to the outdoor unit side only.
a
N
L
N
L
N L
N L
P
P
F
F
T
T
P
P
F
F
T
T
1
2
1
2
1
2
1
2
1
2
1
2
P
P
P
P
1
2
1
2
18
Electrical installation
|
N
L
d
N L
P
P
F
F
T
T
1
2
1
2
1
2
P
P
1
2
Installer and user reference guide
73
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Troubleshooting
