BUSCH COMBI COBRA DP 600 C, Instruction Manual

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Star connection (High voltage)
CAUTION
T4 T5 T6
If the vacuum pump is operated with a motor that turns in the
wrong direction, it can be destroyed, even if this is the case for only
a short moment.
T7 T8 T9
Thermo switch connection
Power wiring connection
Make sure that the vacuum pump is connected correctly before
switching it on.

Determine rotation sense of the motor by using a measure tool or
by placing a rubber plate on the inlet.

Press the on/off switch briefly

Make sure that the vacuum pump draws in
If the direction of rotation has to be changed:
Exchange two of the three feeder leads.
Equipment connections (with options)
The information concerning the use of the Busch PLC and the Busch
LCD can be found in the Operation and Maintenance manual (Art-No.
0870758077).
Connection of the lines/ pipes

Connect the intake lines

Connect the discharge lines

Make sure that all caps, safeguards and similar covers are mounted

Make sure that the inlet and outlet for the cooling air are not cover
ed or closed and that the flow of cooling air is not impaired in any
way
Oil filling
The COBRA DS vacuum pumps are generally dispatched with oil al-
ready in the vacuum pump. Before vacuum pump first startup, control
the oil level. In the event of absence of this lubricant, please carry out
the filling (see the chapter “Oil types” for information on the recom-
mended oils).
Installation and start-up
Page 12
DS 8161 F
0870235853 (En)
P1
P2
1
2
3
4
5
6
LCD serial wiring (RJ45), LCD1
LCD serial wiring (RJ45), LCD2
PC serial wiring (9 poles) (option)
USB connection
Customer Network, Communication modbus RTU RS 232 E
thernet network connection (Busch Monitoring System)
(option)
Interface connection (50 poles) (option)
PID Interface (9 poles) (option)
7
8
W1
L1
L3 L2
T T2 T3
Power wiring 4 poles
1 Phase L1
2 Phase L2
3 Phase L3
4 Ground
Power connector on vacuum pump rear side
Phase L1
Phase L2
Phase L3
Ground