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FCI MT86, Installation, Operation & Maintenance Manual

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MT86/MT86HT Flow Meter 

003162 Rev. G 

Fluid Components International LLC 

iii 

Table of Contents 

1

 

GENERAL ......................................................................................................................................................................................... 

1

 

Description ........................................................................................................................................................................................ 

1

 

Specifications .................................................................................................................................................................................... 

2

 

2

 

INSTALLATION ................................................................................................................................................................................. 

3

 

Receiving/Inspection ......................................................................................................................................................................... 

3

 

Packing/Shipping/Returns ................................................................................................................................................................. 

3

 

Factory Calibration Note ................................................................................................................................................................... 

3

 

Pre-Installation Procedure ................................................................................................................................................................. 

3

 

Install Flow Element .......................................................................................................................................................................... 

4

 

Install Flow Transmitter ..................................................................................................................................................................... 

5

 

Power Connection Information .......................................................................................................................................................... 

5

 

Installation Quick-Check List ............................................................................................................................................................. 

8

 

3

 

OPERATION ..................................................................................................................................................................................... 

9

 

Introduction ....................................................................................................................................................................................... 

9

 

Enable Optional Totalizer Back-up Battery ....................................................................................................................................... 

9

 

Apply Power .................................................................................................................................................................................... 

10

 

Operator Interaction ........................................................................................................................................................................ 

10

 

Non-Zero Based Calibration ............................................................................................................................................................ 

10

 

Zero Based Calibration ................................................................................................................................................................... 

10

 

Delta "R" Table ................................................................................................................................................................................ 

11

 

Generating New Delta "R" Tables ................................................................................................................................................... 

11

 

New Calibration Procedure (in field) ............................................................................................................................................... 

12

 

4

 

MAINTENANCE .............................................................................................................................................................................. 

17

 

Introduction ..................................................................................................................................................................................... 

17

 

Maintenance .................................................................................................................................................................................... 

17

 

5

 

TROUBLESHOOTING .................................................................................................................................................................... 

19

 

Quick-Check Troubleshooting ......................................................................................................................................................... 

19

 

Troubleshooting Equipment ............................................................................................................................................................ 

19

 

Non-Maintenance Observations ...................................................................................................................................................... 

19

 

Troubleshooting Process ................................................................................................................................................................ 

20

 

Troubleshooting Process - Voltage Measurements ........................................................................................................................ 

22

 

Troubleshooting Process - Flow Element Current .......................................................................................................................... 

25

 

Field Calibration Techniques ........................................................................................................................................................... 

25

 

Calibration Verification Procedure (Using Decade Boxes) .............................................................................................................. 

26

 

Calibration Verification Procedure (Using an FC81 Field Calibrator) .............................................................................................. 

27

 

Switch Point Calibration Procedure ................................................................................................................................................. 

28

 

Switch Point Verification Procedure ................................................................................................................................................ 

29

 

Analog Output Test Procedure ........................................................................................................................................................ 

29

 

Check Procedure for Totalizer and Rate Display ............................................................................................................................ 

29

 

Summary of Contents for MT86

Page 1: ...Doc No 003162 Rev G...

Page 2: ...onal LLC FCI Disclosure of this data to you is expressly conditioned upon your assent that its use is limited to use within your company only and does not include manufacture or processing uses Any ot...

Page 3: ...Zero Based Calibration 10 Delta R Table 11 Generating New Delta R Tables 11 New Calibration Procedure in field 12 4 MAINTENANCE 17 Introduction 17 Maintenance 17 5 TROUBLESHOOTING 19 Quick Check Troub...

Page 4: ...Output Module 8 Figure 6 Battery Jumper and Reset Locations 9 Figure 7 Zero Based Calibration 11 Figure 8 Zero and Span Adjustment 14 Figure 9 A D Data Sheet 15 Figure 10 Terminal Plug 21 Figure 11 E...

Page 5: ...s of thermowells metal tubes of the same size and shape Each pair of thermowells is welded together One thermowell pair has a heating element placed in one tube and an active Resistance Thermal Detect...

Page 6: ...n 100 feet maximum Longer distances are possible using a heavier gauge wire for the heater circuit See Table 1 page 6 for more information Turn down ratio 2 1 to 100 1 within flow element range custom...

Page 7: ...cations Never weld to process connection or a structural support Damage resulting from moisture penetration of the local or remote enclosure is not covered by product warranty The flow transmitter con...

Page 8: ...losure This flat surface is known as the Reference Flat and includes a flow arrow etched on its surface to indicate flow direction See Figure 2 for details Figure 2 Flow Element Showing Flat Area Flan...

Page 9: ...nds installing an AC or DC power disconnect switch and fuse near the flow transmitter to interrupt power during installation maintenance calibration and troubleshooting procedures Remote Hardware APPE...

Page 10: ...ement wiring to the input boards Run separate excitation and sense wires for the Active Reference and Ground connections The flow meter will not operate properly without these connections If the Activ...

Page 11: ...A C LINE D C D C GND CHASSIS OPTIONA L 24 VDC INPUT TS8 TS7 TS6 TS5 TS4 TS3 TS2 TS1 CONN NO 4 8 7 6 5 HEAD NO 3 2 1 BOARD CONTRO L mA VO LTAGE OUTPUT BD OUTPUT BD mA VO LTAGE IN OUT ISOLATOR 1 OUT IS...

Page 12: ...e has its own set of output terminals which provide an isolated 4 to 20mA output equal to the non isolated instrument output This one to one current isolation is used to prevent instrumentation ground...

Page 13: ...f power There is a jumper on the back of the totalizer and display board that needs to be repositioned to the ON position See Figure 6 for the jumper location The estimated life of the battery is 3 ye...

Page 14: ...mass flow The output signal shows only the flow rates between the upper and lower limits of the calibrated range For zero based instruments the output signal will show zero whenever the flow rate is b...

Page 15: ...he coefficients except in special circumstances as the overall accuracy of the system is tied to these numbers Call Customer Service if there is a problem in this area The Calibration Table is a print...

Page 16: ...or to Read Volts and repeat Steps 10 through 16 Remember to set the head select switch SW2 to the number 2 position for sensing point number 2 20 Repeat this procedure for all the remaining sensing po...

Page 17: ...needed is the true flow rate and the indicating milliamp output of the flow meter Record and have the information available for FCI to review The procedure is basically the same as the span adjustment...

Page 18: ...n the Delta R table one column is categorized as Voltage In Non Linear TP9 to TP10 Use the following equation to calculate the A D number for the Non Temperature Compensated flow meter only Write down...

Page 19: ...MT86 MT86HT Flow Meter OPERATION Fluid Components International LLC 15 Figure 9 A D Data Sheet...

Page 20: ...OPERATION MT86 MT86HT Flow Meter 16 Fluid Components International LLC This Page Intentionally Left Blank...

Page 21: ...verify the calibration of the flow meter and re calibrate if necessary contact the factory Electrical Connections Periodically inspect the cable connections the terminal strips and the terminal block...

Page 22: ...MAINTENANCE MT86 MT86HT Flow Meter 18 Fluid Components International LLC This Page Intentionally Left Blank...

Page 23: ...ng Equipment 2 each digital multimeter DMM capable of measuring ohms milliamps and AC or DC voltage with a 4 1 2 digit resolution 3 each precision decade resistance boxes however they are optional if...

Page 24: ...e null and gain potentiometers have been sealed If they are sealed the flow meter is setup to use temperature compensation If they are not then no temperature compensation is used An open switch is th...

Page 25: ...gher temperatures at the sensing points Resistance values will vary with temperature Figure 10 Terminal Plug Table 4 Terminal Plug Resistances Pin Number Approximate Resistance MT86 MT86HT Approximate...

Page 26: ...power supply terminal block TS1 to be sure the correct power is applied Check the power supply voltages using the test points provided See Table 5 and Figure 11 for the proper operating voltages If th...

Page 27: ...H ASS Y 0011515 XX I N P U T R17 R18 B O A R D H E A D 5 6 D A E H D R A O B R18 R17 T U P N I ASS Y 0011515 XX H E A D 8 7 D A E H ASS Y 0011515 XX I N P U T R17 R18 B O A R D TP16 SIG GND TP15 10V O...

Page 28: ...TROUBLESHOOTING MT86 MT86HT Flow Meter 24 Fluid Components International LLC Figure 12 Control Board Layout...

Page 29: ...are at 80 F 27 C and 14 7 PSIA and at no flow The readings will vary with temperature and flow However the reference voltages should always match and the active voltages should always match The active...

Page 30: ...to the verification with a field calibrator procedure 1 Turn OFF the power to the instrument Disconnect the flow element cable from the input board terminal block TS1 2 Connect two decade boxes or on...

Page 31: ...hen the Delta R Data for the output modules and displays will not match the values recorded on the Delta R data sheet See the jumper listing in Table 2 to determine if the span and zero activation cir...

Page 32: ...bles the head select switch SW2 to select and monitor one sensing point Select the sensing point to be tested with the head select switch SW2 6 With the FC81 field calibrator function switch in the ou...

Page 33: ...Use this test signal to sweep through the full signal range 0 10 VDC and observe operation of the output modules and customer interface circuitry 1 Place switch SW4 in the CAL CALibrate position 2 Con...

Page 34: ...are no field repairable items at the component level other than fuses Note Any unauthorized repairs that are done at the component level will void the warranty Contact the authorized FCI field represe...

Page 35: ...1000 Ohm Flow Meters Control Board Adjust Pot 100 Ohm 1000 Ohm R8 4 99K 1 21 5K 1 Gain 20X 10X Input Board Adjust Pot 100 Ohm 1000 Ohm R1 R7 6 65K Not Used RN3 1K 10K Jumpers Installed Input Board Ad...

Page 36: ...by looking at the Order Information Sheet that was filled out at the time the flow meter was ordered Table 11 Recommended Spare Parts Quantity Description 1 Power supply board P N 011528 XX or 012059...

Page 37: ...t to FCI freight prepaid for disposition Customer Service 1 In the event of problems or inquiries regarding the flow meter please contact the Regional or Country Authorized FCI Field Agent There is an...

Page 38: ...TROUBLESHOOTING MT86 MT86HT Flow Meter 34 Fluid Components International LLC This Page Intentionally Left Blank...

Page 39: ...4X 31 DISPLAY AND TOTALIZER 3RD PORT PROVIDED WITH 6 AND 8 POINT SYSTEMS 6 12 11 00 12 50 17 87 305 454 425 38 1 318 379 92 3 57 2 279 155 C00319 1 1 79 SHOWN WITH OPTIONAL RATE SHOWN WITH OPTIONA L R...

Page 40: ...APPENDIX A DRAWINGS MT86 MT86HT Flow Meter 36 Fluid Components International LLC C01156 1 1...

Page 41: ...CH NPT 1 2 13UNC 2B HORIZON TAL FLOW APPLIC ATIONS VERTICA L FLOW APPLIC ATIONS APPLIC ATIONS HORIZON TAL 1 2X FLOW X APPLIC ATIONS FLOW VERTICA L 25 1 2 13UNC 2B 1 00 1 00 U LENGTH 2 06 MAX 3 35 U LE...

Page 42: ...APPENDIX A DRAWINGS MT86 MT86HT Flow Meter 38 Fluid Components International LLC This Page Intentionally Left Blank...

Page 43: ...ignal Heater HTR The flow element part that heats the active RTD Local Enclosure The enclosure attached to the flow element usually contains the wiring terminal block Reference Flat A flat part on the...

Page 44: ...APPENDIX B GLOSSARY MT86 MT86HT Flow Meter 40 Fluid Components International LLC This Page Intentionally Left Blank...

Page 45: ...upport outside the contiguous United States Alaska or Hawaii contact your country s FCI International Representative or the one nearest to you After Hours Support For product information visit FCI at...

Page 46: ...call the technician completes a formal detailed service report The formal report is mailed to the customer after the technician s return to the factory or office Field Service Rates All field service...

Page 47: ...MT86 MT86HT Flow Meter APPENDIX C CUSTOMER SERVICE Fluid Components International LLC 43...

Page 48: ...APPENDIX C CUSTOMER SERVICE MT86 MT86HT Flow Meter 44 Fluid Components International LLC...

Page 49: ...itability for the purpose for which they are intended or used Should the Buyer receive defective goods as defined by this paragraph the Buyer shall notify the Seller immediately stating full particula...

Page 50: ...APPENDIX C CUSTOMER SERVICE MT86 MT86HT Flow Meter 46 Fluid Components International LLC This Page Intentionally Left Blank...

Page 51: ...lected for input power of 24 VDC Since the manufacturer does not supply the power source or transformer for these connections the responsibility for the conditioning of these sources and associated co...

Page 52: ...t A resides at Fluid Components Intl European Service Center Beatrix De Rijkweg 8 5657 Eg Einhoven Netherlands Phone 31 40 2 571 972 FAX 31 40 2 517 809 Manufacturer Location The technical documentati...

Page 53: ...MT86 MT86HT Flow Meter APPENDIX D CE CONFORMANCE Fluid Components International LLC 49 This Page Intentionally Left Blank...

Page 54: ...MT86 MT86HT Flow Meter Fluid Components International LLC 003162 Rev G...

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