Fluid Components International MT86_MT86HT Manual Cover Page User Manual
Page 9
FLUID COMPONENTS INTL
Doc. No. 003162 Rev. F
ix
Models MT86, MT86HT
Check Input Power ..................................................................................................... 5 - 1
Check Instrument Installation .................................................................................. 5 - 2
Check For Moisture .................................................................................................... 5 - 2
Check Application Design Requirements ............................................................... 5 - 2
Check Flow Element Placement ............................................................................... 5 - 2
Check Flow Element Orientation ............................................................................. 5 - 2
Check Proper Flow Element Insertion Depth ........................................................ 5 - 2
Check Flowmeter Switch Positions .......................................................................... 5 - 2
Troubleshooting Process ................................................................................................... 5 - 3
Verify Delta "R" Sheets .............................................................................................. 5 - 3
Verify Resistance Readings ....................................................................................... 5 - 3
Troubleshooting Process - Voltage Measurements ....................................................... 5 - 4
Power Supply Source Voltages ................................................................................ 5 - 4
Flow Element Operating Voltages ........................................................................... 5 - 7
Troubleshooting Process - Flow Element Current ........................................................ 5 - 7
Field Calibration Techniques ........................................................................................... 5 - 7
Calibration Verification Procedure (Using Decade Boxes) ......................................... 5 - 8
Procedure ..................................................................................................................... 5 - 8
Calibration Verification Procedure (Using an FC81 Field Calibrator) ....................... 5 - 9
FC81 Field Calibrator Control Functions ................................................................ 5 - 10
Ohms Adjust ............................................................................................................... 5 - 10
Add Ohms Switch ...................................................................................................... 5 - 10
Connector Receptacle ................................................................................................. 5 - 10
FC81 Field Calibrator Operating Procedure ........................................................... 5 - 10
Analog Output Test Procedure ....................................................................................... 5 - 11
Check Procedure for Totalizer and Rate Display ......................................................... 5 - 11
Check Procedure for Flowmeter Displays with Zero and “
Non-Zero Based Calibration ............................................................................................ 5 - 12
Repair .................................................................................................................................. 5 - 12
EPROM Replacement Procedure ............................................................................. 5 - 13
General Circuit Board Replacement Procedure ..................................................... 5 - 13
Input Board Replacement Procedure ...................................................................... 5 - 14
Spares .................................................................................................................................. 5 - 16
Defective Parts ................................................................................................................... 5 - 16
Customer Service ............................................................................................................... 5 - 16
Appendix A - Drawings
Outline Drawings .............................................................................................................. A - 1
Appendix B - Glossary
Abbreviations and Explanation of Terms ...................................................................... B - 1
Appendix C - Customer Service
Policy and Procedures ...................................................................................................... C - 1
Appendix D - CE Mark
CE Mark Conformance Information ............................................................................... D - 1