Carrier 40VU007-0182-7G-QEE, Инструкция по установке и эксплуатации, Страница: 24 / 169

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The wiring for the power line of the indoor unit, the wiring between indoor and outdoor units, and the wiring between
indoor units:
• 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
• 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.
Length of Signal Line (m) Wiring Dimensions
≤ 250 0.75mm2 × 3 core shielding line
Electrical Wiring
English
Items
Total
Current of
Indoor Unit(A)
Cross
Section
(mm2)
Length
(m)
Rated
Current of
Overflow
Breaker
(A)
Rated current of residual
Circuit Breker (A)
Ground Fault
Interruptor (mA)
Response time(S)
Cross
SectionalArea of
Signal Line
Outdoor-
indoor
(mm
2
)
Indoor-
indoor
(mm
2
)
<7 2.5 20 10 10A, 30mA, 0.1S or below
2 cores x 0.75-2.0
mm
2
shielded line
>_ 7 and <11 4 20 16 16A, 30mA, 0.1S or below
>_11 and <16 6 25 20 20A, 30mA, 0.1S or below
>_16 and <22 8 30 32 32A, 30mA, 0.1S or below
>_22 and <27 10 40 32 32A, 30mA, 0.1S or below