BOC E2M28, Instruction Manual

Page: 3 / 52

E2M28 and E2M30 Rotary Vacuum Pumps
PAGE
i
Issue K i Jul 05
CONTENTS
Section Page
1 INTRODUCTION 1
1.1 Scope and definitions 1
1.2 ATEX directive implications 2
1.3 Description 4
1.4 Gas-ballast 4
2 TECHNICAL DATA 5
2.1 Operating and storage conditions 5
2.2 Performance 5
2.3 Mechanical data 6
2.4 Lubrication data 6
2.5 Electrical data 6
3 INSTALLATION 11
3.1 Safety 11
3.2 System design 12
3.3 Unpack and inspect 12
3.4 Locate the pump 13
3.5 Fill the pump with oil 13
3.6 Electrical installation: single-phase motors 14
3.6.1 Introduction 14
3.6.2 Standard single-phase motors 15
3.6.3 Amphenol version single-phase motors 15
3.6.4 110/200-240 V 50 Hz or 115-120/200-230 V 60 Hz single-phase motors 15
3.7 Electrical installation: three-phase motors 19
3.7.1 Connect the electrical supply to the motor 19
3.7.2 Check the direction of rotation 20
3.8 Connect the pump inlet 20
3.9 Connect the pump outlet 22
3.10 Gas-ballast inlet connection 22
3.11 Leak test the system 22
4 OPERATION 23
4.1 ATEX directive implications 23
4.1.1 Introduction 23
4.1.2 Flammable/pyrophoric materials 23
4.1.3 Gas purges 24
4.2 Gas-ballast control 24
4.3 Start-up 25
4.4 To achieve ultimate vacuum 25
4.5 To pump condensable vapours 26
4.6 To decontaminate the oil 26
4.7 Unattended operation 26
4.8 Shut-down 27
Ip
sit
e
ch 8207(D
)–05