Table of Contents
iv
Valve Override ...........................................................................................................27
Adjusting the Speed to Set Point ................................................................................27
NUPRO BN Shutoff Valve.........................................................................................27
Chapter Five: Theory of Operation.........................................................................................29
Flow Path...................................................................................................................29
Measurement Technique.............................................................................................29
Control Circuitry ........................................................................................................29
Gas Correction Factor.................................................................................................31
How To Determine the Flow Controller Range...........................................................32
How To Read the Flow Output Directly .....................................................................33
Chapter Six: Maintenance ......................................................................................................35
Valve Adjustment.......................................................................................................35
Repair ........................................................................................................................36
Chapter Seven: Troubleshooting ............................................................................................37
Appendix A: Product Specifications.......................................................................................39
General Specifications................................................................................................39
Electrical Specifications .............................................................................................40
Mechanical Specifications ..........................................................................................40
Appendix B: Gas Correction Factors......................................................................................41
Index ......................................................................................................................................45
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