DC Inverter Multi
VRF Service Manual
147
Width of Cable (mm2)
Distance(m)
Max.Current(A)
0~15 15~30 30~50 50~75 75~100 100~125 125-150
10 2.5 2.5 2.5 4 4 6 6
20 4 4 4 6 6 10 10
30 6 6 6 6 10 10 10
40 10 10 16 16 16 16 25
50 16 16 16 25 25 25 35
60 25 25 25 25 25 25 35
70 35 35 35 35 35 35 50
80 35 35 35 35 50 50 70
90 35 35 50 50 50 70 70
100 50 50 50 50 70 70 70
120 50 50 50 70 70 70 95
140 50 70 70 70 95 95 95
160 70 70 70 70 95 95 95
200 95 95 95 95 95 95 120
240 120 120 120 120 120 120 150
300 150 150 150
150 150 150 150
330 185 185 185 185 185 185 185
400 240 240 240 240 240 240 240
500 300 300 300 300 300 300 300
600 400 400 400 400 400 400 400
b. Ground Wire of the Unit
For safety, the unit must be reliably earthed and the earthing device can’t withstand the pulling force of mechanism
S=D D
16
S=D/2 D
16
3.2.5 Inspection of Communication System
1) Inspect the following contents before debugging.
If communication among mainboard of outdoor modules is normal
If qty code and address code of outdoor modules are correct
If address codes of patch boards of outdoor modules are correct
If connection between indoor unit and patch board is correct
If qty of indoor units under enery patch board is less than 16？
If connectiong among indoor units air is correct？
If address codes of indoor units are correct？
If address code of wired controller of every indoor unit is the
same with the address code of corresponding indoor unit？
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