
6
|
Installation
Installer and user reference guide
38
FXFQ20~125BVEB
VRV system air conditioner
4P561452-1B – 2021.07
P
1
P
2
LN
P
1
P
2
F
1
F
2
T
1
T
2
b
c
L N
TO OUT/D
TO IN/D
a
IN/D
OUT/D
F
1
F
2
F
1
F
2
Control box
f
a
Outdoor unit
b
Indoor unit
c
User interface
d
Most downstream indoor unit
e
For use with 2 user interfaces
f
BS unit
a
(mm)
e
e
b
c
10~15
70~90
10~20
d
c
b
10~15
d
70~90
7
N
L
a
Service cover (with wiring diagram on the back)
b
Opening for cables
c
Connection of power supply (including earth)
d
Cable tie
e
Connection of user interface and interconnection cable