– I-78 –
To access the electrical component box, open the air
intake grille and remove the electrical component box
cover.
Wiring System Diagrams
Outdoor Unit : “—SC”, models
Single phase
50 Hz, 220 – 240 V
Outdoor Unit : “—SC3E”, "— SCL3E" models
3-phase
50 Hz, 380 – 415 V
NOTE
For accordance with conformity of EC Directive No.
89/336/EEC, supply connection at the time of installa-
tion work it should be consider guidance showing
below.
*
Do not share a common installation group with
other equipment.
*
Be sure that supply network impedance is suffi-
ciently low (
I
Z
SYS
I
≤
R
Ω
).
It may be necessary to consult the power supply
authority before connection of the air conditioner
to a low-voltage public network.
NOTE
Models
R
Ω
Remarks
AER525SC(L)3E —
—
Care is not needed
AER536SC(L)E3 0.192 Conforms to the local code
AER548SC(L)3E 0.167 Ditto
AER525SCE 0.126 Ditto
1
2
4
1
2
4
L
N
Indoor Unit
Outdoor Unit
Ground
Ground
B
A
0560_M_I
L
N
1
2
4
1
2
4
L1
N
Indoor Unit
Outdoor Unit
Ground
Ground
B
A
0561_M_I
L1
L2
L2
L3
L3
N
