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15 Finishing the indoor unit installation
d
User interface cable and transmission cable
3 Install the 2 wiring fixtures with screws for wiring fixture
(accessory).
4 User interface cable: Route the cable through the large cut out
hole and connect it to the terminal block (symbols P1, P2).
5 Transmission cable: Route the cable through the large cut out
hole and connect it to the terminal block (make sure the
symbols F1, F2 match with the symbols on the outdoor unit).
Bundle the transmission cable with the user interface cable and
fix them with a tie wrap on the wiring fixture.
6 Power supply cable: Route the cable through the small cut out
hole and connect it to the terminal block (L, N, earth). Fix the
cable with a tie wrap on the wiring fixture.
a
Circuit breaker
b
Residual current device
k
7
30~35
a
b
c
d
a
Control box
b
Service cover screw
c
Printed circuit board
d
Service cover
e
Wiring diagram label
f
Power supply wiring
g
Small cut out hole
h
User interface cable and transmission cable
i
Rear piping cover
j
Large cut out hole
k
Connection of user interface cable and transmission
cable
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.
a
TO IN/D
TO OUT/D
N
L
N
L
N L
N L
P
P
F
F
T
T
P
P
F
F
1
2
1
2
1
2
1
2
1
b
P
P
P
P
1
2
1
2
c
Installation and operation manual
22
a
b
l
L
N
m
m
b
e
f
g
h
i
j
N
L
N
L
N L
N L
T
T
P
P
F
F
T
T
P
P
F
F
2
1
2
1
2
1
2
1
2
1
2
1
2
P
P
P
P
1
2
1
2
a
Outdoor unit
b
Indoor unit
c
User interface
d
Most downstream indoor unit
NOTICE
Group control connection is NOT allowed.
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.
h
15
Finishing the indoor unit
n
n
installation
f
n
NOTICE
Block any gaps around pipes and cables with sealing
material (accessory) to avoid dust from entering the indoor
unit.
15.1
To mount the suction grille and
decoration side panel
1 Install securely in the reverse order. Refer to
unit" [ 4 17].
indoor
2 When installing the suction grille, attach the strap of the suction
grille to the hook on the indoor unit.
INFORMATION
When closing the suction grille, make sure the straps of the
suction grille are not pinched anywhere.
a
b
c
d
b
e
f
a
Round hole
b
Hook
c
Strap
d
Indoor unit
e
Suction grille
f
Cross-shaped hole
d
T
T
1
2
"To open the
a
b
c
FXHA32~100AVEB
VRV system air conditioner
3P668115-1C – 2022.01
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