
EBARA Multi-Stage Dry Vacuum Pumps
Operation
930601-P
19
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
200
208
210
215
380
400
415
420
1.5kW
8.8
8.8
8.8
8.8
9.0
4.4
4.4
4.4
4.4
50Hz
2.2kW
12.2
12.2
12.2
12.4
12.4
6.1
6.1
6.1
6.2
3.7kW
19.4
19.4
19.6
19.6
20.0
9.7
9.7
9.8
9.8
Volts:
190
200
208
210
215
220
230
380
400
415
420
440
460
480
1.5kW
8.2
8.2
8.1
8.0
8.0
8.0
8.0
4.1
4.1
4.2
4.0
4.0
4.0
4.0
60Hz
2.2kW
11.2 11.2 11.0
11.0
11.0
10.8
11.0 5.6
5.6
5.5
5.5
5.4
5.5
5.5
3.7kW
18.4 17.9 17.7
17.6
17.4
17.4
17.4 9.2
9.0
8.9
8.8
8.7
8.7
8.7
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.