Fluid Components International FR73B Manual Cover Page User Manual
Page 8

FLUID COMPONENTS INTL
FR73B Mini Flow Monitor/Transducer
viii
Doc. No. 06EN003282 Rev. -
Contents
1. General Information
Description ........................................................................................................................... 1 - 1
Theory of Operation ............................................................................................................. 1 - 1
Sensing Element ........................................................................................................... 1 - 1
Control Circuit .............................................................................................................. 1 - 1
Technical Specifications ...................................................................................................... 1 - 2
2. Installation
Receiving/Inspection ............................................................................................................ 2 - 1
Packing/Shipping/Returns ................................................................................................... 2 - 1
Factory Calibration Note ...................................................................................................... 2 - 1
Pre-Installation Procedure ................................................................................................... 2 - 1
Use Standard ESD Precautions .................................................................................... 2 - 1
Verify Serial Numbers .................................................................................................. 2 - 2
Verify Installation Location .......................................................................................... 2 - 2
Flow Element Installation .................................................................................................... 2 - 2
Wiring Installation ............................................................................................................... 2 - 2
Conduit Routing ............................................................................................................ 2 - 2
Minimum Wire Size ..................................................................................................... 2 - 2
Cable Connections ........................................................................................................ 2 - 2
3. Operation
Factory Calibrations ............................................................................................................. 3 - 1
Field Calibrations for Flow Applications ............................................................................ 3 - 1
Alarm Set Point Adjustments By Observation or By Measurement ................................... 3 - 1
Alarm A Set Point Procedure ....................................................................................... 3 - 1
Balancing ............................................................................................................................. 3 - 3
Creating a Calibration Curve Using the Millivolt Output Option ...................................... 3 - 3
Creating a Calibration Curve Using an FM71 Calibrator ................................................... 3 - 4
Zero mV Output Adjust ....................................................................................................... 3 - 4
4. Maintenance
Maintenance ......................................................................................................................... 4 - 1
Calibration .................................................................................................................... 4 - 1
Electrical Connections .................................................................................................. 4 - 1
Optional Remote Enclosure .......................................................................................... 4 - 1
Electrical Wiring .......................................................................................................... 4 - 1
Sensing Element Connections ...................................................................................... 4 - 1
5. Troubleshooting
Tools Needed ........................................................................................................................ 5 - 1
Quick Check ......................................................................................................................... 5 - 1
Non-maintenance Observations ........................................................................................... 5 - 1
Check Serial Numbers .................................................................................................. 5 - 1
Check Input Power ........................................................................................................ 5 - 1
Check the Instrument Installation ................................................................................ 5 - 1
Check for Moisture ....................................................................................................... 5 - 1
Check Application Design Requirements .................................................................... 5 - 2
Control Circuit Wiring ................................................................................................. 5 - 2
Verification of Flow Element Resistance ............................................................................ 5 - 2
Verification of Flow Element Voltage ................................................................................. 5 - 3
Spares ................................................................................................................................... 5 - 4
Defective Parts ..................................................................................................................... 5 - 4
Customer Service ................................................................................................................. 5 - 4