![background image](http://html.mh-extra.com/html/haier/av08nmseta/av08nmseta_service-manual_136526042.webp)
40
40
Indoor power source and communication wiring
Communication wire for wired controller
■
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.
■
Shielded layer of communication wire must be grounded at one end.
■
The total length cannot exceed 600m.
Item Indoor
total current
(A)
Power
cable
section (mm²)
Wire length
(m)
Rated current
of overcurrent
breaker (A)
Rated current of residual
circuit breaker (A)
Ground fault interruptor
(mA) Response time (S)
Communication wire section
Outdoor/
indoor (mm²)
Indoor/
indoor (mm²)
<10
2
20
20
20A, 30mA, below 0.1s
2-core×(0.75-2.0mm²)
shielded wire
≥10 and <15
3.5
25
30
30A, 30mA, below 0.1s
≥15 and <22
5.5
30
40
40A, 30mA, below 0.1s
≥22 and <27
10
40
50
50A, 30mA, below 0.1s
Wire spec
Wire length (m)
Wire spec
<100
0.3mm²×(3-core) shielded
wire
≥300 and <400
1.25mm²×(3-core) shielded
wire
≥100 and <200
0.5mm²×(3-core) shielded
wire
≥400 and <600
2mm²×(3-core) shielded
wire
≥200 and <300
0.75mm²×(3-core) shielded
wire