Power connector on vacuum pump front side
CAUTION
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.
Make sure that the vacuum pump is connected correctly before
switching it on.
l
Determine rotation sense of the motor by using a measure tool or
by placing a rubber plate on the inlet.
l
Press the on/ off switch briefly
l
Make sure that the vacuum pump sucks
l
If not, push the Emergency stop button
If the direction of rotation has to be changed:
u
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
l
Connect the intake lines
l
Connect the discharge lines
l
Make sure that all caps, safeguards and similar covers are mounted
l
Make sure that the inlet and outlet for the cooling air are not cove-
red or closed and that the flow of cooling air is not impaired in any
way
Oil filling
The COBRA DS 0080-2000 G vacuum pumps are generally
dispatched with oil already in the vacuum pump. Before vacuum
pump first startup, control the oil level. In the event of absence of one
or the other of these lubricants, please carry out the filling (see the
chapter “Oil types” for information on the recommended oils).
l
Prepare the quantity of oil specified in the table “Oil quantity”
DS 0080-2000 G
Installation and start-up
0870772712 (En)
Page 15
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Phase
L1
Phase
L3
Phase
L2
Earth
Phase
L3
Phase
L2
Phase
L1
Earth
DDK
Yeonhap
3
9
1
8
2
4
5
6
7
1 General supply
2 LCD serial wiring (RJ45), LCD1
3 LCD serial wiring (RJ45), LCD2
4 PC serial wiring (9 poles) (option)
5 USB connection
6 Customer Network, Communication modbus RTU RS 232
7 Ethernet network connection (Busch Monitoring System) (option)
8 Interface connection (50 poles) (option)
9 PID Interface (9 poles) (option)
