Carrier 40VK005S-7S-QEE Betriebs- Und Montageanleitung Seite 23

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