Edwards EDS 300

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Figure 10 Schemac for purge gas and switches - EDS pump with air cooling

PG-1

PR-1

BoV-2

TS-4

CS/4043/A

TS-1 TS-2

Purge gas

Needle valve

Process IN

Exhaust

Fan

motor

High-vacuum shaft seal

Balance line

Low vacuum shaft seal

Motor

Mechanical

water pump

Heat

exchanger

Gas ballast

PG-1 Pressure gauge purge gas

PR-1 Pressure regulator purge gas

BoV-1 Blow o valve

TS-1 Pump body thermal snap switch, warning

TS-2 Pump body thermal snap switch, trip

TS-4 Motor thermistor

Flow restrictor

Non-return valve

Page 30

A41802880_C - Installaon

Main Page

Table of Contents3
Safety and Compliance6
Definition of Warnings and Cautions6
Safety Symbols6
Important Safety Information8
Mechanical Hazards8
Electrical Hazards9
Thermal Hazards10
Danger through Materials and Substances10
Explosion Hazard10
Noise Hazard11
ATEX Certification12
Classification and Marking of the Pump12
Conditions of Safe Use13
Description13
Figure 1 EDS Pump Models13
Design14
Supplied Equipment15
Ordering Information15
Pumps15
Accessories16
Technical Data17
Figure 2 Pumping Speed Curves EDS 200 and EDS 30019
Transport and Storage20
Storage20
Figure 3 Lifting the EDS Pump20
Installation22
Figure 4 Connections and Controls23
Placement24
Normal Operation24
Abnormal Operation24
Figure 5 Oil Level at Pump Standstill24
Connecting the Inlet and Exhaust Lines25
Inlet Lines25
Exhaust Lines26
Figure 6 Inlet Flage Dimensions (in MM)26
Connecting Cooling-Water27
Figure 7 Maximum Permissible Flange Loads27
Water Quality28
Figure 8 Connections and Direction of Motor Rotation28
Figure 9 Cooling Water Level28
Connecting Purge Gas29
Figure 10 Schematic for Purge Gas and Switches - EDS Pump with Air Cooling30
Electrical Connections31
Figure 11 Schematic for Purge Gas and Switches - EDS Pump with Water Cooling31
Wiring the Motor32
Figure 12 Wiring Schematic-132
Figure 13 Wiring Schematic-233
Motor Thermistors34
Pump Body Thermal Snap Switch34
Grounding34
Figure 14 Pump Body Thermal Snap Switch Connection34
Figure 15 Grounding34
Check the Direction of Rotation of the Motor35
Connecting the Heat Exchanger Fan35
Leak Check after Installation35
Figure 16 Heat Exchanger Fan Connection35
Operation36
Media Compatibility37
Start-Up37
Manual Shut-Down37
Unplanned Shut-Down and Alarms37
Maintenance38
Return the Equipment or Components for Service38
Maintenance Intervals39
Checking the Oil39
Inspect the Closed Cooling-Water Circuit40
Figure 17 Oil Level Check40
Figure 18 Oil Level at Pump Standstill40
Inspect Pipelines and Connectors41
Figure 19 Cooling Water Level41
Spares42
Diagnose a Fault43
Pump Does Not Start up43
Pump Gets too Hot43
Pump Is Extremely Loud44
Motor Power Consumption Is too High44
Pump Is too Loud44
Pump Is Losing Lubricant45
Oil Gets too Dark45
Lubricant in the Pump Chamber45
Pump Does Not Attain Its Pumping Speed46
Dimension Drawings47
Figure 20 EDS 200/300 with Air Cooling (Dimensions in MM)47
Figure 21 EDS 200/300 with Water Cooling (Dimensions in MM)48
Wearing Parts49
Waste Disposal50

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