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EBARA Multi-Stage Dry Vacuum Pumps
This is the initial operation running motor current. Compare this with the following chart to
ensure that the pump is performing to specification. If the pump fails to reach the
spec., contact your Ebara Service Center. (See "Service Centers".)
CAUTION
!
Always set the overload to the rated motor current. The overload circuits allow for a
25% overcurrent.
Motor Current Specifications Chart (Amps)
Volts:
190
1.5kW
8.8
2.2kW
12.2
50Hz
19.4
3.7kW
Volts:
190 200
1.5kW
8.2
2.2kW
11.2 11.2 11.0
60Hz
18.4 17.9 17.7
3.7kW
9. Turn the pump off.
10. Open the inlet valve.
11. Set the Auto/Manual switch to Auto (when applicable).
The pump is ready for regular operation.
4.4
Auto Mode
The pump operates in Auto Mode when the Auto/Manual switch is set to Auto. This
gives control to an external source.
4.5
Manual Operation
The pump operates in Manual Mode when the Auto/Manual switch is set to Manual.
This allows the operator to operate the pump form the control panel.
930601-P
200
208
210
8.8
8.8
8.8
12.2
12.2
12.4 12.4
19.4
19.6
19.6 20.0
208
210
215
8.2
8.1
8.0
8.0
11.0
11.0 10.8 11.0 5.6
17.6
17.4 17.4 17.4 9.2
215
380
400
415
9.0
4.4
4.4
4.4
6.1
6.1
6.1
9.7
9.7
9.8
220
230
380
400 415
8.0
8.0
4.1
4.1
5.6
9.0
Operation
420
4.4
6.2
9.8
420
440
460
4.2
4.0
4.0
4.0
5.5
5.5
5.4
5.5
8.9
8.8
8.7
8.7
480
4.0
5.5
8.7
19
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