18 | Electrical installation
Installer and user reference guide
60
FXMQ-A
VRV system air conditioner
4P701548-1 – 2022.07
c
L N
10~15
70~90
10~20
b
10~15
70~90
7
P1P2 F1 F2
a
a User interface cable and transmission cable
b Power supply cable
c Service cover with wiring diagram
5 Plastic clamp for tie wrap (for transmission cable): Pass tie wraps through
the plastic clamps and fasten to fix the cables.
6 Cable clamp (for power supply cable): Fix the cable with the cable clamp.
a Plastic clamp for tie wrap
b Opening for cables
c Cable clamp
7 Wrap the sealing (field supply) around the cables to prevent water from
entering the unit. Seal all gaps to prevent small animals from entering the
system.
8 Reattach the service cover.
Complete system examples
▪ 1 user interface controls 1 indoor unit.
▪ Group control or 2 user interfaces control 1 indoor unit
▪ With BS unit
1 user interface controls 1 indoor unit.
LN LN LN
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
N L
d
c
b
LN
N L N L N L
TO OUT/D
TO IN/D
a
a Outdoor unit
b Indoor unit
c User interface
d Most downstream indoor unit
Group control or 2 user interfaces control 1 indoor unit
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