K&R GT600-4T132G User Manual page 285

9. Maintenance and Inspection
9.2.2 Insulation Test on Main Circuit
Figure 9-1 Test insulation on the main circuit
The measured insulation resistance must be greater than 5 MΩ.
Before test, remove the VDR screw, as shown in the following position.
10
- 282 -
●
Before measuring insulation resistance with megameter (500 VDC megameter
Note
recommended), disconnect the main circuit from the AC drive.
●
Do not conduct the dielectric strength test. High voltage (> 500 V) test need not
be performed again because it has been completed before delivery.
- +
500 VDC
Megameter
VDR screw
BR P
GT600
T
R S V
U
EMC screw
2
1
-
+
W