Levitronix BPS-2000.2 - Page 31

User Manual for BPS-2000
www.levitronix.com
PL-4021-00, Rev03, DCO# 15-235
31
A protective earth wire (minimum Wire Gauge AWG14, copper diameter 1.63mm, cross section 2.08mm
2
)
shall be attached to the ATEX / IECEx specific motors by following the instructions outlined below.
1) Motors used without cooling module ACM-4.3
A protective earth wire shall be attached to the ATEX / IECEx specific motor housing by using one of the
eight M4 threads on the backside of the motor.
 Remove one of the eight M4 screws on the backside of the motor
 Use a crimp cable lug to connect the earth wire
 Attach the crimp cable lug with a M4x10mm stainless steel screw, a washer disc, a spring lock
washer and spacer sleeve (6mm long) to the motor according to (Figure 33)
Figure 33: Attachment of a protective earth wire to the backside of the motor
2) Motors used with cooling module ACM-4.3
A protective earth wire shall be attached to the ATEX / IECEx specific motor housing by using one of the
four M6 threads on the backside of the motor.
 Mount the cooling module ACM-4.3 to the motor according to (Figure 13)
 Remove one of the four M6 screws on the mounted cooling module
 Use a crimp cable lug to connect the earth wire
 Attach the crimp cable lug with a M6x40mm stainless steel screw, a washer disc and a spring lock
washer to the motor through the cooling module (Figure 34)
Figure 34: Attachment of a protective earth wire to the backside of the motor through ACM-4.3
One screw to be
removed.
Parts for earth wire
attachment