Table of Contents
Section I - General Information
Safety Alert Symbols ...........................................................................................................1
Safety P recautions ...............................................................................................................2
Spare Parts Ordering Information .......................................................................................3
Serial/Model Identification Plate .........................................................................................3
Section II - Description
General Description ............................................................................................................4
The Compression Cycle ......................................................................................................4
Air Flow ...............................................................................................................................5
Cooling System ...................................................................................................................5
Air-cooled Fluid Coolers ......................................................................................................5
Aftercoolers .........................................................................................................................5
Moisture Separ ator ..............................................................................................................5
Capacity Control System .....................................................................................................6
Controller Opt ions ...............................................................................................................6
Standard Control Lights, Indicators & Gauges ....................................................................7
Operating Mo des ................................................................................................................8
Electrical Syst em ..................................................................................................................9
Section III - Installation
Receiving ...........................................................................................................................10
Moving the Unit to the Installation Site .............................................................................10
Location .............................................................................................................................11
Shipping Suppo rts .............................................................................................................12
Piping Connections ...........................................................................................................12
Piping Fi t-up ......................................................................................................................12
Pressure V essels .................................................................................................................12
Relief V alves .......................................................................................................................13
Electrical ............................................................................................................................13
Pneumatic Circuit Breakers or Velocity Fuses ....................................................................14
Guards ...............................................................................................................................14
Manual Vent and Shutoff Valve ..........................................................................................14
Compressor R otation .........................................................................................................15
Fan R otation ......................................................................................................................15
Section IV - Operating Procedures
Prior to Starting .................................................................................................................16
Starting the Compressor ...................................................................................................17
Stopping the Compressor .................................................................................................17
Emergency .........................................................................................................................17
QSI Standard Controls .......................................................................................................18
Summary of Contents for QGV-20
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Page 70: ...Appendix A Dimensional Drawings QSI 90 120 140 micro 66...
Page 71: ...Appendix A Dimensional Drawings QSI 90 120 140 micro dry 67...
Page 72: ...Appendix A Dimensional Drawings QSI 90 120 140 micro tank mounted 68...
Page 73: ...Appendix A Dimensional Drawings QSI 90 120 140 micro dry tank mounted 69...
Page 74: ...Appendix A Dimensional Drawings QSI 90 120 140 guage 70...
Page 75: ...Appendix A Dimensional Drawings QSI 90 120 140 guage dry 71...
Page 76: ...Appendix A Dimensional Drawings QSI 90 120 140 guage tank mounted 72...
Page 77: ...Appendix A Dimensional Drawings QSI 90 120 140 guage dry tank mounted 73...
Page 78: ...Appendix A Dimensional Drawings QGV 20 25 30 460V 74...
Page 79: ...Appendix A Dimensional Drawings QGV 20 25 30 460V dry 75...
Page 80: ...Appendix A Dimensional Drawings QGV 20 25 30 460V tank mounted 76...
Page 81: ...Appendix A Dimensional Drawings QGV 20 25 30 460V dry tank mounted 77...
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