Daikin FXFQ20BVEB - Page 37

6 | Installation
Installer and user reference guide
37
FXFQ20~125BVEB
VRV system air conditioner
4P561452-1B – 2021.07
Wiring example
a
b
c
d
e
f
h
g
i
a Power supply
b Main switch
c Power supply wiring
d Transmission wiring
e Switch
f Circuit breaker
g BS unit (only REYQ)
h Indoor unit
i User interface
Complete system example
▪ When 1 user interface controls 1 indoor unit.
LN P 1 P 2
P
1
P
2
F 1 F 2 T 1 T 2 P 1 P 2
P
1
P
2
LN F 1 F 2 T 1 T 2 P 1 P 2
P
1
P
2
LN F 1 F 2 T 1 T 2 LN P 1 P 2
P
1
P
2
F 1 F 2 T 1 T 2
LN
L N
L N
L N
d
b
c
TO OUT/D
TO IN/D
a
▪ Group control or use with 2 user interfaces.
TO OUT/D
TO IN/D
a
LN
P
1
P
2
P 1 P 2
F
1
F
2
T
1
T
2 LN
P
1
P
2
F
1
F
2
T
1
T
2 LN
P
1
P
2
F
1
F
2
T
1
T
2
P 1 P 2
LN
P
1
P
2
F
1
F
2
T
1
T
2
P 1 P 2
d
b
c
e
L N
▪ When including BS unit (only REYQ).