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X2M
TO IN/D
TO OUT/D
F1 F2
a
b
F1 F2
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).
V1
F1 F2 F1 F2
TO IND TO OUTD
a
a Earth
4 Connect the power supply as follows:
V1
1~ 50 Hz
220-240 V
L
a
b
c
X1M
L
N
a
Earth leakage circuit breaker
b
Fuse
c
Power supply cable
5 Fix the cables (power supply and transmission wiring) with
cable ties.
RXYSQ4~6T7V1B+Y1B
VRV IV-S system air conditioner
4P404676-1A – 2016.03
F1 F2
F1 F2
F1 F2
F1 F2
Y1
A B C
F1 F2 F1 F2
TO IN/D
TO OUT/D
C/H SELECTOR
UNIT
UNIT
a
Y1
3N~ 50 Hz
380-415 V
L1 L2 L3
X1M
L1 L2 L3
N
V1
X2M
X1M
a
a
b
a
a
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
1
b
a
a Power supply cable
b Transmission wiring cable
6 Installation
Y1
X1M
X2M
a
a
b
a
a
3
b
a
2
b
a
Installer and user reference guide
27
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