Signal Wiring Drawing
The wiring for the power line of the indoor unit, the wiring between indoor and outdoor units, and the wiring between
indoor units:
Items
Total
Current of
Indoor Units(A)
Cross
Section
(mm
2
)
Length
(m)
Rated
Current of
Overflow
Breaker(A)
Rated Current of Residual
Circuit Breaker(A) Ground
Fault Interrupter(mA)
Response time(S)
Cross Sectional
Area of Signal Line
Outdoor -indoor
(mm
2
)
Indoor-indoor
(mm
2
)
<6
2.5
20
10
10 A,30 mA,0.1S or below
2 cores×0.75-2.0mm
2
shielded line
≥6 and <10
4
20
16
16 A,30 mA,0.1S or below
≥10 and <16
6
25
20
20 A,30 mA,0.1S or below
≥16 and <25
8
30
32
32 A,30 mA,0.1S or below
≥25 and <32
10
40
32
32 A,30 mA,0.1S or below
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.
Installation Procedures
Outdoor 1
Outdoor 2
Outdoor 3
Indoor 1
Indoor 2
Indoor 3
Indoor 4
Indoor 5
Communication wire with polarity
16
Signal Wiring of Wired controller
Length of Signal Line (m)
Wiring Dimensions
≤ 250
0.75mm2 × core shielding line
• 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.
Содержание XCT 7 40VK005-030S-7S-QEE
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