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Electrical installation
Installer and user reference guide
70
FAA71+100BUV1B
Split system air conditioner
4P654517-1 – 2021.03
It is important to keep the power supply and the transmission wiring separated
from each other. In order to avoid any electrical interference the distance between
both wirings should ALWAYS be at least 50 mm.
NOTICE
Be sure to keep the power line and transmission line apart from each other.
Transmission wiring and power supply wiring may cross, but may NOT run parallel.
1
Remove the service cover and shield plate (see
54]).
2
User interface cable
: Connect the cable to the terminal block (symbols P1,
P2).
3
Interconnection cable
(indoor↔outdoor): Route the cable through the
frame, connect the cable to the terminal block (make sure the numbers match
with the numbers on the outdoor unit, and connect the earth wire), and fix
the cable with a cable tie.
4
Seal all gaps with a sealing material (field supply) to prevent small animals
from entering the system.
5
Reattach the shield plate and the service cover (see
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 T2
P1 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)
