6 Installation
Installer and user reference guide
27
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1 – 2017.04
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
a
b
X2M
TO OUT/DTO IN/D
a Use the conductor of sheathed wire (2 wire) (no polarity)
b Terminal board (field supply)
WARNING
You must use shielded wire and connect the earth to the
transmission terminal (X2M).
C/H SELECTOR
A B C F1 F2 F1 F2
TO IN/D
UNIT
V Y
F1 F2 F1 F2
TO IND TO OUTD
TO OUT/D
UNIT
aa
a Earth
4 Connect the power supply as follows:
1~ 50 Hz
220-240 V
L
L
N
V Y
X1M
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 Cable tie
b Attachment plate
X1M Power supply
X2M Transmission wiring
6 Route the wiring through the frame and connect it to it.
Routing through
the frame
a Power supply cable
b Transmission wiring cable