23
Electric wiring and the application
Indoor power source and communication wiring
Item
Indoor
total
FXUUHQW$
Power
cable
section
(mm
2
Wire
length
P
Rated
current of
RYHUFXUUHQW
breaker
$
Rated current of residual
FLUFXLWEUHDNHU$
Ground fault
LQWHUUXSWRUP$
UHVSRQVHWLPH6
Communication wire
section
Outdoor/
indoor
(mm
2
Indoor/
indoor
(mm
2
<10
2
20
20
20A, 30mA, below 0.1s
2-core × (0.75-2.0mm
2
shielded wire
DQG
3.5
25
30
30A, 30mA, below 0.1s
DQG
5.5
30
40
40A, 30mA, below 0.1s
DQG
10
40
50
50A, 30mA, below 0.1s
3RZHUFDEOHDQGFRPPXQLFDWLRQZLUHPXVWEH¿[HG¿UPO\
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
:LUHOHQJWKP
Wire spec
:LUHOHQJWKP
Wire spec
<100
0.3mm
2
îFRUHVKLHOGHGZLUH DQG
1.25mm
2
îFRUHVKLHOGHG
wire
DQG
0.5mm
2
îFRUHVKLHOGHGZLUH DQG
2mm
2
îFRUHVKLHOGHG
wire
DQG
0.75mm
2
îFRUHVKLHOGHG
wire
Shielded layer of communication wire must be grounded at one end.
The total length cannot exceed 600m.
