Daikin RXYSQ4TAY1B, Installation And Operation Manual

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5 Installation
Installation and operation manual
17
RXYSQ4~6TAY1B
VRV IV-S system air conditioner
4P482256-1 – 2017.03
5.7.3 Guidelines when connecting the electrical
wiring
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
5.7.4 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.
2 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)
3 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
4 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
5 Route the wiring through the frame and connect it to it.
Routing through
the frame Choose one of the 3 possibilities:
a
b
a
b
a
b
2
3
1
a Power supply cable
b Transmission wiring cable
Connecting to the
frame When cables are routed from the unit, a
protection sleeve for the conduits (PG
insertions) can be inserted at the knockout
hole.
When you do not use a wire conduit,
protect the wires with vinyl tubes to
prevent the edge of the knockout hole from
cutting the wires.
a b c d e
A B
A Inside of the outdoor unit
B Outside of the outdoor unit
a Wire
b Bush
c Nut
d Frame
e Hose
6 Reattach the service cover.
7 Connect an earth leakage circuit breaker and fuse to the power
supply line.