Edwards EXS450 User Manual

Dry screw vacuum pump
EXS Series
INS
TRUCTION MANUAL
A41870880_A Original instrucons
edwardsvacuum.com

Edwards EXS450 Specifications

General

Brand	Edwards
Model	EXS450
Category	Water Pump
Language	English

Summary

1. Safety and compliance

3. Technical data

5. Installation

5.2 Locate the dry pumping system

Instructions for positioning the pump.

5.4 Electrical connections

Detailed wiring instructions and diagrams.

5.5 Connect the dry pumping system to the vacuum/exhaust system

Steps for connecting the pump to the system.

5.6 Connect the purge gas supply

5.7 Leak test the dry pumping system

5.8 Electrical supply

Guidelines for connecting the main electrical supply.

5.9 Connect to the emergency stop circuit

5.10 Connect and set up the cooling water

5.12 Commission the dry pumping system

Steps for initial startup and verification of the system.

6. Operation

6.1 Start up

6.2 Manual shut down

6.3 Automatic shut down

6.4 Unplanned shut down and alarms

6.5 Emergency stop

6.6 Restart the pump after an emergency stop or automatic shut down

7. Maintenance

7.1 Safety

Critical safety precautions for performing maintenance tasks.

7.2 Preventive maintenance schedule

8. Fault finding

Pump does not start up

Troubleshooting steps for when the pump fails to start.

Pump gets too hot

Troubleshooting steps for pump overheating issues.

Motor power consumption is too high

Troubleshooting steps for excessive motor power usage.

Pump is too loud

Troubleshooting steps for abnormal pump noise.

Pump is losing lubricant

Troubleshooting steps for lubricant loss.

Oil gets too dark

Troubleshooting steps for discolored lubricant.

Lubricant in the pump chamber

Troubleshooting steps for lubricant issues within the pump.

Pump does not attain its pumping speed

Troubleshooting steps for failure to reach desired pumping speed.

8.1 Inverter warnings and alarms

Explains inverter codes and troubleshooting for warnings/alarms.

11. Service