6 Installation
Installer and user reference guide
26
RXYSQ4~6TAY1B
VRV IV-S system air conditioner
4P482257-1 – 2017.03
▪ If stranded conductor wires are being used, install a round crimp-
style terminal on the tip. Place the round crimp-style terminal on
the wire up to the covered part and fasten the terminal with the
appropriate tool.
b
a
a
Stranded conductor wire
b
Round crimp-style terminal
▪ Use the following methods for installing wires:
Wire type
Installation method
Single core wire
c b
c
a
a
A
AA´
A´
a
Curled single core wire
b
Screw
c
Flat washer
Stranded conductor
wire with round
crimp-style terminal
c b
b
a
c
a
B
B
a
Terminal
b
Screw
c
Flat washer
Tightening torques
Wiring
Screw size
Tightening torque
(N•m)
Power supply wiring
(power
shielded ground)
M5
2.2~2.7
Transmission wiring
M3.5
0.8~0.97
6.8.5
To connect the electrical wiring on the
outdoor unit
NOTICE
▪ Follow the wiring diagram (delivered with the unit,
located at the inside of the service cover).
▪ Make sure the electrical wiring does NOT obstruct
proper reattachment of the service cover.
1
Remove the service cover. See
.
2
Strip insulation (20 mm) from the wires.
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or
leakage.
3
Connect the transmission wiring as follows:
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
a
b
X1M (A1P)
F1
Q2
F2
F1
Q1
F2
TO MULTI
UNIT
TO OUT/D
TO IN/D
a
Use the conductor of sheathed wire (2 wire) (no polarity)
b
Terminal board (field supply)
4
Connect the power supply as follows:
3N~50 Hz
380-415 V
L1 L2 L3
L1 L2 L3
N
X1M
a
b
c
a
Earth leakage circuit breaker
b
Fuse
c
Power supply cable
5
Fix the cables (power supply and transmission wiring) with
cable ties.
a
a
b
X1M
X1M
(A1P)
a
a
a
Cable tie
b
Attachment plate
X1M
Power supply
X1M (A1P)
Transmission wiring
6
Route the wiring through the frame and connect it to it.