User Manual for BPS-2000
www.levitronix.com
PL-4021-00, Rev06, DCO# 21-037
33
An Ex conform solution is needed for the motor cable to leave the Ex area (see
). One option is an
Ex certified cable sealing system as listed in
Pos. 10
A protective earth wire (minimum Wire Gauge AWG14, copper diameter 1.63mm, cross section 2.08mm
2
)
shall be attached to the
Ex
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
Ex
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 M4 x 10 mm stainless steel screw, a washer disc, a spring lock
washer and spacer sleeve (6 mm long) to the motor according to (
Figure 32: 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
Ex
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 (
▪
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 M6 x 40 mm stainless steel screw, a washer disc and a spring lock
washer to the motor through the cooling module (
Figure 33: 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