Daikin FDA125A5VEB - Page 68

18 | Electrical installation
Installer and user reference guide
68
FDA125A5VEB
Split system air conditioners
4P495031-1B – 2022.10
1 Remove the service cover.
2 User interface cable: Route the cable through the frame, connect the cable to
the terminal block, and fix the cable with a cable tie.
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 Divide the small sealing (accessory) and wrap it around the cables to prevent
water from entering the unit. Seal all gaps to prevent small animals from
entering the system.
5 Reattach the service cover.
▪ When using 1 user interface with 1 indoor unit.
1 2 3
a a a
b
c
1 2 3
P
1
P
2
P
1
P
2
d
1 2
L N
3
b
c
b
c
1 2 3
P
1
P
2
P
1
P
2
d
L N L N
L N
▪ When using 2 user interfaces
(1)
1 2 3
b
c
1 2 3
P
1
P
2
P
1
P
2
P
1
P
2
d d
a
L N
b
c
a
L N
▪ When using group control
(1)
(1)
Dashed line represents separate power supply.