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Electrical Wiring
The wiring for the power line of the indoor unit, the wiring between indoor and outdoor units, and the wiring between
indoor units:
Items
Section
Total Cur-
rent of
)
Indoor Units(A
<6
≥6 and <10
≥10 and <16
≥16 and <25
≥25 and <32
• The electrical power line and signal lines must be fastened tightly.
• Every indoor unit must have a ground connection.
• The power line should be enlarged if it exceeds the permissible length.
• Shielded lays of all the indoor and outdoor units should be connected together, with the shielded lay at the side of the
signal lines of the outdoor units grounded at one point.
• The whole length of the signal line should not exceed 1000m.
Signal Wiring of Wired controller
Length of Signal Line (m)
≤ 250
• The shielding lay of the signal line must be grounded at one end.
• The total length of the signal line should not be more than 250m.
Rated
Current of
Cross
Overflow
Length
Breaker(A)
2
(m)
(mm
)
2.5
20
10
4
20
16
6
25
20
8
30
32
10
40
32
Wiring Dimensions
0.75mm
× 3 cores shielding line
2
Rated Current of Resid-
ual Circuit Breaker(A)
Ground Fault Inter-
Outdoor -indoor (mm
rupter(mA) Response
time(S)
10 A,30 mA,0.1S or below
16 A,30 mA,0.1S or below
20 A,30 mA,0.1S or below
32 A,30 mA,0.1S or below
32 A,30 mA,0.1S or below
25
Cross Sectional Area of Signal Line
2
)
Indoor -indoor
(mm
2 cores×0.75-2.0mm
2
shielded line
2
)
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