7
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The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
1 System
S1
S2
L
N
1
2
S1
S2
S3
S3
A
B
C
D
E
F
G
S1
S2
L
N
1
2
S1
S2
S3
1
2
S1
S2
S3
S3
1
2
S1
S2
S3
1
2
S1
S2
S3
A
B
C
D
E
F
G
G
G
G
H
H
H
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A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cables
F Remote controller
G Indoor unit
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Indoor unit model
PCA
Wiring
Wire No. × size
(mm²)
Indoor unit-Outdoor unit
*1
3× 1.5 (polar)
Indoor unit-Outdoor unit earth
*1
1 × Min.1.5
Indoor unit earth
1 × Min.1.5
Remote controller-Indoor unit
*2
2 × 0.3 (Non-polar)
Circuit rating
Indoor unit (Heater) L-N
*3
-
Indoor unit-Outdoor unit S1-S2
*3
AC 230 V
Indoor unit-Outdoor unit S2-S3
*3
DC24 V
Remote controller-Indoor unit
*3
DC12 V
*1. <For 50-140 outdoor unit application>
Max. 45 m
If 2.5 mm
2
used, Max. 50 m
If 2.5 mm
2
used and S3 separated, Max. 80 m
<For 200/250 outdoor unit application>
Max. 18 m
If 2.5 mm
2
used, Max. 30 m
If 4 mm
2
used and S3 separated, Max. 50 m
If 6 mm
2
used and S3 separated, Max. 80 m
*2. The 10 m wire is attached in the remote controller accessory. Max. 500 m
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S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
Notes: 1. Wiring size must comply with the applicable local and national code.
2.
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3. Install an earth longer than other cables.
Simultaneous twin/triple/quadruple system
1:1 System
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The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
1:1 System
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A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cables
F Remote controller
G Indoor unit
H Indoor unit earth
* The indoor power supply terminal kit is required.
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cables
F Remote controller
G Indoor unit
H Option
J Indoor unit power supply
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S1
S2
L
N
1
2
L
N
S1
S2
S3
S3
A
C
B
D
J
E
B
C
F
G
H