Instruction manual

Oct 04 Issue H
GV Dry Vacuum Pumps
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1 INTRODUCTION 1
1.1 Scope and definitions 1
1.2 The GV pumps 1
1.3 Gas system 1
1.4 Cooling system 2
1.5 Interstage relief valve 2
1.6 Drive operation 4
1.7 Liquid pumping capability 4
1.8 Safe area operation 4
1.9 Accessories 4
2TECHNICAL DATA 5
2.1 Operating and storage conditions 5
2.2 Performance 5
2.3 Mechanical data 5
2.4 Electrical data 6
2.5 Cooling system 6
2.6 Lubrication data 7
2.7 Shaft-seals purge system 7
2.8 Connections 7
2.9 Noise data 7
3 INSTALLATION 9
3.1 Safety 9
3.2 System design 9
3.3 Unpack and inspect 10
3.4 Locate the pump 10
3.5 Check the gearbox oil-level 11
3.6 Electrical connections 11
3.6.1 Introduction 11
3.6.2 Connect the electrical supply to the pump:
380/400/415 V, 50 Hz supplies 11
3.6.3 Connect the electrical supply to the pump:
230/460 V, 60 Hz supplies 13
3.6.4 Connect to the thermal snap-switches 15
3.7 Check the direction of rotation 16
3.8 Fit a mechanical booster pump (optional) 16
3.9 Connect the cooling-water supply 16
3.10 Connect the shaft-seals purge and gas-ballast
gas supplies 18
3.10.1 Introduction 18
3.10.2 Connect the shaft-seals purge air or nitrogen supply 18
3.10.3 Connect a nitrogen gas-ballast supply (optional) 19
3.11 Connect the pump-inlet 19
3.12 Connect the pump outlet 20
3.13 Leak test the system 20
3.14 Commission the pump 20
CONTENTS
Section Page
Ipsitech 8173-04