Table of Contents
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Control Circuitry ....................................................................................................... 46
Chapter Six: Maintenance...................................................................................................... 47
General ...................................................................................................................... 47
Zero Adjustment ........................................................................................................ 47
Repair........................................................................................................................ 48
Chapter Seven: Troubleshooting............................................................................................ 49
Troubleshooting Chart ............................................................................................... 49
How To Adjust the Valve Preload (MFC only) .......................................................... 50
Appendix A: Product Specifications ...................................................................................... 57
Performance Specifications ........................................................................................ 57
Environmental Specifications..................................................................................... 58
Electrical Specifications............................................................................................. 58
Physical Specifications .............................................................................................. 59
Appendix B: Model Code Explanation .................................................................................. 61
Model Code ............................................................................................................... 61
Appendix C: Gas Correction Factors ..................................................................................... 65
Common Gases.......................................................................................................... 65
Appendix D: MFC Sizing Guidelines .................................................................................... 69
General Information................................................................................................... 69
How To Determine the Flow Controller Range .......................................................... 70
How To Determine the Valve Configuration .............................................................. 71
Example ........................................................................................................ 73
Appendix E: Positive Shutoff Valve Information................................................................... 75
How To Operate the Positive Shutoff Valve............................................................... 75
Index...................................................................................................................................... 77