23
9
WIRING SPECIFICATIONS
*1. A breaker with at least 3.0 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
*2. Max. 45 m
If 2.5 mm
2
used, Max. 50 m
If 2.5 mm
2
used and S3 separated, Max. 80 m
*3. The 10 m wire is attached in the remote controller accessory.
*4. The figures are NOT always against the ground.
S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are NOT electrically insulataed by the transformer or other device.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cords and Indoor/Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord. (Design 60245 IEC 57)
3. Install an earth longer than other cables.
Caution:
Do not push the contactor button (52C) on the outdoor unit, otherwise the compressor may be damaged.
P71V
P100V
P71Y
P100Y
P125Y
P140Y
~/N (single), 50 Hz, 230 V
3N~(3phase), 50 Hz, 400 V
32 A
16 A
25 A
0.06
0.23
0.22
0.14
0.12
2
%
Min. 4
4
%
Min. 1.5
4
%
Min. 2.5
1
%
Min. 4
1
%
Min. 1.5
1
%
Min. 2.5
3
%
1.5 (polar)
1
%
Min. 1.5
2
%
0.3 (Non-polar)
AC 230 V
AC 230 V
DC 24 V
DC 12 V
Outdoor unit model
Outdoor unit Power supply
Outdoor unit input capacity
*1
Main switch (Breaker)
Max. Permissive System Impedance (
)
Outdoor unit power supply
Outdoor unit power supply earth
Indoor unit-Outdoor unit
*2
Indoor unit-Outdoor unit earth
Remote controller-Indoor unit
*3
Outdoor unit L-N
*4
Outdoor unit L1-N, L2-N, L3-N
Indoor unit-Outdoor unit S1-S2
*4
Indoor unit-Outdoor unit S2-S3
*4
Remote controller-Indoor unit
*4
Wiring
Wire No.
%
size (mm
2
)
Circuit
rating
S1
S2
S3
S1
S2
S3
A-Control
Outdoor Unit
3 poles isolator
Power supply
Isolator
A-Control
Indoor Unit
9-1. FIELD ELECTRICAL WIRING (power wiring specifications)
1
2
S1
S2
S3
S1
S2
S3
Indoor/outdoor
unit connection
cable
Indoor
unit
Unit
power
supply
Outdoor
unit
Remote
controller
L
N
Earth leakage breaker
wiring circuit breaker or
isolating switch
1:1 system
Synchronized twin and triple system Electrical wiring
• Synchronized twin
• Synchronized triple
Earth leakage breaker
wiring circuit breaker or
isolating switch
L
N
1
2
1
2
S1
Indoor
unit
S2
S3
S1
S2
S3
S1
S2
S3
Unit
power
supply
Indoor/outdoor
unit connection
cable
Indoor
unit
Outdoor
unit
Remote
controller
Earth leakage breaker
wiring circuit breaker or
isolating switch
1
2
1
2
1
2
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
Indoor/outdoor
connection cable
Indoor
unit
Unit
power
supply
Indoor
unit
Indoor
unit
Outdoor
unit
Remote
controller
L
N
OC379F