Installation
Installer reference guide
24
RZAG71~Y1
Sky Air Alpha-series
4P573381-1 – 2019.04
6.7.5
Specifications of standard wiring components
Component
V1
Y1
71
100
125~140
71
100
125
140
Power supply cable
MCA
(a)
18.8 A
23.3 A
28.8 A
12.3 A
15.4 A
15.7 A
15.4 A
Voltage range
220~240 V
380~415 V
Phase
1~
3N~
Frequency
50 Hz
Wire sizes
Must comply with applicable legislation
Interconnection cables
Minimum cable section of 2.5 mm² and applicable for 230 V
Recommended field fuse
20 A
32 A
16 A
Earth leakage circuit breaker
Must comply with applicable legislation
(a)
MCA=Minimum circuit ampacity. Stated values are maximum values (see electrical data of combination with indoor units for exact values).
6.7.6
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 interconnection cables and power supply as
follows:
c
a
d
e
1~ 50 Hz
220-240 V
3N~ 50 Hz
380-415 V
V1
Y1
L1 L2 L3
L1 L2 L3
N
b
b
a
a
a
I, II, III, IV
Pair, twin, triple, double twin
M, S
Master, slave
a
Interconnection cables
b
Power supply cable
c
Earth leakage circuit breaker
d
Fuse
e
User interface
INFORMATION
Some indoor units may need a separate power supply in
order to guarantee maximum capacity. See the installation
manual of the indoor unit.
V1
a
b
d
c
Y1
a
b
d
c
a
Interconnection cable
b
Power supply cable
c
Earth
d
Cable tie
4
Fix the cables (power supply and interconnection cable) with a
cable tie to the stop valve attachment plate and route the wiring
according to the illustration above.
5
Choose a knockout hole and remove the knockout hole by
tapping on the attachment points with a flat head screwdriver
and a hammer.
6
Route the wiring through the frame and connect the wiring to
the frame at the knockout hole.
