ABB ACS 800 Series, Hardware Manual

Page: 46 / 101

46
Electrical Installation
Checking the Insulation of the Assembly
Every drive module has been tested for insulation between the main circuit and the
chassis (2500 V rms 50 Hz for 1 second) at the factory. Therefore, do not make any
voltage tolerance or insulation resistance tests (e.g. hi-pot or megger) on any part of
the drive. Check the insulation of the assembly as follows.
WARNING! Check the insulation before connecting the drive to the mains. Make
sure that the drive is disconnected from the mains (input power).
1. Check that the motor cable is disconnected from the drive output terminals U2, V2
and W2.
2. Measure the insulation resistances of the motor cable and the motor between each
phase and the Protective Earth by using a measuring voltage of 1 kV DC. The
insulation resistance must be higher than 1 Mohm.
Warning Sticker
A multi-language sticker is attached onto the drive module cover. Attach the warning
sticker in the local language onto the cover of the drive module.
PE
ohm
M