Carrier XCT 7 40VA003D7FAQEE Manual Del Usuario página 20

Electrical wiring
The wiring for the power line and signal line of connection kit
• Power cable and communication wire must be fixed firmly.
• Each connection kit must be earthed well.
• When the power cable exceeds the allowable range, thicken it appropriately.
• Shielded layer of communication wires must be connected together and be earthed at a single point.
• Communication wire length cannot exceed 1000 m
Items
Cross
Total
section
current of
(mm
indoor units
(A)
<10
≥10 and <15
≥15 and <22
≥22 and <27
Graphical representation for wiring
Connect the communication terminal block P and Q of the main unit of the outdoor units with the communication
terminal block P and Q of the first connection kit.
1PH,220-240V~
Rated
current of
Length
overflow
(m)
2
) breaker
(A)
2.5 20 20
3.5 25 30
5.5 30 40
10 40 50
G 12V
G
12V
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
AH
19
Cross sectional
area of signal Line
Outdoor-indoor Indoor-indoor
(mm 2 )
2 cores×(0.75-2.0)
2
mm shielded line
G 12V
G
12V
(mm 2 )
G 12V
G
12V