Indoor Power Source And Communication Wiring; Communication Wire For Wired Controller - Haier AV08NMSETA Service Manual

Indoor power source and communication wiring

Item Indoor Power
total current cable
(A) section (mm²)
<10 2
≥10 and <15 3.5
≥15 and <22 5.5
≥22 and <27 10
■
Power cable and communication wire must be fixed firmly.
■
Each indoor must be grounded well.
■
When power cable exceeds the range, increase the gauge appropriately.
■
Shielded layer of communication wires must be connected together and be earthed at single point.
■
Communication wire total length cannot exceed 1000m.

Communication wire for wired controller

<100
≥100 and <200
≥200 and <300
■
Shielded layer of communication wire must be grounded at one end.
■
The total length cannot exceed 600m.
Rated current
Wire length
of overcurrent
(m)
breaker (A)
20 20
25 30
30 40
40 50
Wire spec
0.3mm²×(3-core) shielded
wire
0.5mm²×(3-core) shielded
wire
0.75mm²×(3-core) shielded
wire
Rated current of residual
circuit breaker (A)
Ground fault interruptor
(mA) Response time (S)
20A, 30mA, below 0.1s
30A, 30mA, below 0.1s
40A, 30mA, below 0.1s
50A, 30mA, below 0.1s
Wire length (m)
≥300 and <400
≥400 and <600
40 40
Communication wire section
Outdoor/ Indoor/
indoor (mm²) indoor (mm²)
2-core×(0.75-2.0mm²)
shielded wire
Wire spec
1.25mm²×(3-core) shielded
wire
2mm²×(3-core) shielded
wire