CONTENTS
Section Title Page
1 INTRODUCTION 1-1
1.1 Scope and definitions 1-1
1.2 ATEX directive implications 1-3
1.3 The iH system 1-4
1.3.1 iH-F variants 1-4
1.4 Safety 1-5
1.5 The HCDP dry pump 1-5
1.6 The HCDP gas system 1-5
1.7 The HCMB mechanical booster pump (iH600/iH1000 only) 1-6
1.8 Temperature control system 1-8
1.8.1 HCDP pump temperature control system 1-8
1.8.2 HCMB pump temperature control system (iH600/iH1000 only) 1-10
1.9 Exhaust system 1-10
1.10 Electrical system 1-11
1.10.1 Introduction 1-11
1.10.2 Electrics box 1-11
1.10.3 Electronics module 1-16
1.10.4 Gas module 1-16
1.11 Controls and indicators 1-18
1.12 Control functions 1-20
1.12.1 Priority of control 1-20
1.12.2 Setpoints, warning and alarm conditions 1-21
1.12.3 Safety sensors 1-22
1.13 Pump display terminal 1-22
1.14 Drip tray 1-25
1.15 Seismic brackets 1-25
1.16 Labels 1-25
1.17 Exhaust enclosure 1-25
1.18 iH Disconnect box (accessory) 1-26
1.18.1 Start control 1-30
1.18.2 Emergency off control 1-30
1.18.3 Brownout protection 1-30
1.18.4 Circuit protection 1-30
1.19 iH Photohelic switch/gauge (accessory) 1-30
1.20 Accessories 1-30
2 TECHNICAL DATA 2-1
2.1 General 2-1
2.2 Performance 2-1
2.3 Temperature control system 2-1
2.4 Cooling-water supply 2-7
2.5 Lubrication 2-14
2.5.1 HCDP pump 2-14
2.5.2 HCMB pump (iH600/iH1000 only) 2-14
iH Dry Pumping Systems i
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