11
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Capacities
Model
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Branch
Ground
Outdoor Unit
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25 A
25 A 30 mA 0.1 sec. or less
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Total operating current of the indoor unit
Minimum wire thickness (mm
2
)
Ground-fault interruper *1
Local switch (A)
Breaker for wiring
1)%
Main Cable
Branch
Ground
Capacity
Fuse
F0 = 16 A or less *2
1.5
1.5
1.5
20 A current sensitivity *3
16
16
20
F0 = 25 A or less *2
2.5
2.5
2.5
30 A current sensitivity *3
25
25
30
F0 = 32 A or less *2
4.0
4.0
4.0
40 A current sensitivity *3
32
32
40
Apply to IEC61000-3-3 about max. permissive system impedance.
*1 The Ground-fault interrupter should support inverter circuit.
The Ground-fault interrupter should combine using of local switch or wiring breaker.
*2 Please take the larger of F1 or F2 as the value for F0.
F1 = Total operating maximum current of the indoor units × 1.2
F2 = {V1 × (Quantity of Type1)/C} + {V1 × (Quantity of Type2)/C} + {V1 × (Quantity of Type3)/C} + ··· + {V1 × (Quantity of Type9)/C}
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RC
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RC
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RC
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3
L
6
L
7
L
4
L
5
2
4
1
N
N
N
N
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M1 M2 S
M1 M2 S
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M1 M2 S
M1 M2 S
S
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M1 M2 S
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TB5
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IC
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IC
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4
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L
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m
m
m
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M1 M2 S
M1 M2 S
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