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660

665

670

675

680

685

690

695

700

705

710

715

720

725

730

735

740

745

750

755

760

765

770

775

780

785

790

795

800

805

810

820

830

840

850

FLUID COMPONENTS INTL 

CHAPTER  3 - OPERATION 

Table 3-7.  Temperature Versus Voltage Output (sheet 5 of 5) 

0.00375 OHMS/OHMS/  C  1000 OHMS PLATINUM

° 

TEMPERATURE VERSUS VOLTAGE OUTPUT, FLT93 

T(°F) 

V OUT 

T(°F) 

V OUT 

T(°F) 

V OUT 

T(°F) 

V OUT 

4.512 

709 

4.696 

758 

4.878 

807 

5.058 

661 

4.516 

4.700 

759 

4.881 

808 

5.062 

662 

4.520 

711 

4.703 

4.885 

809 

5.065 

663 

4.523 

712 

4.707 

761 

4.889 

5.069 

664 

4.527 

713 

4.711 

762 

4.892 

811 

5.072 

4.531 

714 

4.714 

763 

4.896 

812 

5.076 

666 

4.535 

4.718 

764 

4.900 

813 

5.080 

667 

4.538 

716 

4.722 

4.904 

814 

5.083 

668 

4.542 

717 

4.726 

766 

4.907 

815 

5.087 

669 

4.546 

718 

4.729 

767 

4.911 

816 

5.091 

4.550 

719 

4.733 

768 

4.915 

817 

5.094 

671 

4.554 

4.737 

769 

4.918 

818 

5.098 

672 

4.557 

721 

4.741 

4.922 

819 

5.102 

673 

4.561 

722 

4.744 

771 

4.926 

5.105 

674 

4.565 

723 

4.748 

772 

4.929 

821 

5.109 

4.569 

724 

4.752 

773 

4.933 

822 

5.113 

676 

4.572 

4.755 

774 

4.937 

823 

5.116 

677 

4.576 

726 

4.759 

4.940 

824 

5.120 

678 

4.580 

727 

4.763 

776 

4.944 

825 

5.124 

679 

4.584 

728 

4.767 

777 

4.948 

826 

5.127 

4.587 

729 

4.770 

778 

4.951 

827 

5.131 

681 

4.591 

4.774 

779 

4.955 

828 

5.134 

682 

4.595 

731 

4.778 

4.959 

829 

5.138 

683 

4.599 

732 

4.781 

781 

4.962 

5.142 

684 

4.602 

733 

4.785 

782 

4.966 

831 

5.145 

4.606 

734 

4.789 

783 

4.970 

832 

5.149 

686 

4.610 

4.793 

784 

4.974 

833 

5.153 

687 

4.614 

736 

4.796 

4.977 

834 

5.156 

688 

4.617 

737 

4.800 

786 

4.981 

835 

5.160 

689 

4.621 

738 

4.804 

787 

4.985 

836 

5.164 

4.625 

739 

4.807 

788 

4.988 

837 

5.167 

691 

4.629 

4.811 

789 

4.992 

838 

5.171 

692 

4.632 

741 

4.815 

4.996 

839 

5.175 

693 

4.636 

742 

4.819 

791 

4.999 

5.178 

694 

4.640 

743 

4.822 

792 

5.003 

841 

5.182 

4.644 

744 

4.826 

793 

5.007 

842 

5.185 

696 

4.647 

4.830 

794 

5.010 

843 

5.189 

697 

4.651 

746 

4.833 

5.014 

844 

5.193 

698 

4.655 

747 

4.837 

796 

5.018 

845 

5.196 

699 

4.658 

748 

4.841 

797 

5.021 

846 

5.200 

4.662 

749 

4.844 

798 

5.025 

847 

5.204 

701 

4.666 

4.848 

799 

5.029 

848 

5.207 

702 

4.670 

751 

4.852 

5.032 

849 

5.211 

703 

4.673 

752 

4.856 

801 

5.036 

5.214 

704 

4.677 

753 

4.859 

802 

5.040 

851 

5.218 

4.681 

754 

4.863 

803 

5.043 

852 

5.222 

706 

4.685 

4.867 

804 

5.047 

853 

5.225 

707 

4.688 

756 

4.870 

5.051 

854 

5.229 

708 

4.692 

757 

4.874 

806 

5.054 

855 

5.233 

FLT

Ô

 

Series FlexSwitch

Ô

 

3 - 18 

Doc. No. 06EN003246 Rev. B 

Summary of Contents for FLT Series

Page 1: ...information which are the property of Fluid Components Intl 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 do...

Page 2: ...ion to you our customer To support the creation and publication of world class technical material which is technically accurate and practical concise and user friendly attractive and professional in a...

Page 3: ...r are unable to satisfactorily resolve the situation contact the FCI Customer Service Department at 1 800 854 1993 toll free By Fax To describe your problems in a more graphic or pictorial manner send...

Page 4: ...A Figure A 1 A 7 and A 8 Updated drawings Appendix A Figures A 1 A 4 A 5 A 7 and A 9 Changed the figure captions to correctly identify the figures Appendix A Added Figures A 13 A 14 and A 15 Appendix...

Page 5: ...Remote Enclosure 2 6 Locate the Remote Hardware Location 2 6 Wiring Remote Enclosure with Auxiliary Relay 2 7 Wiring a Remote Control Circuit To A Auxiliary Relay Board 2 8 Wiring Output Signal Termi...

Page 6: ...e D 1 Appendix E CE Conformance CE Conformance Information E 1 Figures Figure 1 1 View of the Sensing Element 1 1 Figure 3 2 5294 Control Circuit Component Locations 3 4 Figure A 1 Local Enclosure NEM...

Page 7: ...FLT93 L With U Bolt Bracket Kit A 5 Figure A 16 1 Inch NPT FLT93 L A 6 Figure A 17 1 Inch RF Flanged FLT93 L A 6 Figure A 18 FLT93 C Sanitary Removable Clamp Instrument A 6 Figure A 19 FLT93 C Sanita...

Page 8: ...draw attention to items or procedures that require special notice or care Warning Warns of possible personal danger to those handling the equipment Caution Cautions against possible equipment damage...

Page 9: ...fferential between two Resistance Temperature Detectors RTDs The RTD temperature differential varies as a function of forced convection for flow measurement and as a function of fluid thermal conducti...

Page 10: ...w or level interface The minimum load impedance is 100 K ohms Accuracy Switch point accuracy Up to 2 of the switch point velocity Monitoring accuracy 5 reading or 0 04 fps 0 012 mps which ever is larg...

Page 11: ...erator assumes all responsibility for conformance to safety standards and practices Caution The instrument contains electrostatic discharge ESD sensitive devices Use standard ESD precautions when hand...

Page 12: ...are always completely wet When mounted in a tee or section of pipe larger than the normal process pipe position in a vertical run of pipe with flow upward This will prevent air or gas bubbles from bec...

Page 13: ...tched flow arrow parallel with the flow 1 of level and position the flow arrow so it is pointing in the direction of the flow 3 Proceed to insert the probe into the process media line Use the adjustin...

Page 14: ...ng element is located in an explosive environment isolate the conduit before it leaves the environment A potting Y may be used to provide the isolation Pulling wires can cause damage to the control ci...

Page 15: ...et may cause damage to the instrument 2 Install conduit between the local enclosure and the power source and monitoring circuit Provide watertight hardware and apply thread sealant to all connections...

Page 16: ...cabinet cover at any time Secure the remote enclosure solidly to a vertical surface capable of providing support Use appropriate hardware to secure the enclosure 1 Remove the control circuit from the...

Page 17: ...loads to the control circuit socket Damage will occur to the control circuit if the alarm circuit is energized Be sure the correct relay board has been ordered for the correct output See the followin...

Page 18: ...s together 2 Attach the customer wiring as desired using Figure 2 7 as a wiring guide Wiring for this configuration is the same as the sensing element wiring to the control circuit on a remote instrum...

Page 19: ...thout changes If custom factory setup or calibration was not ordered configure the control circuit using the jumper tables Tables 3 2 to 3 6 and then follow the set point adjustment section that is ap...

Page 20: ...dition The sensing element will not be dammaged if it is left dry with the maximum heater wattage The alarms can be set so one alarm will switch at the interface and one alarm can detect when the elem...

Page 21: ...RATURE ALARM NO 2 J25 RELAY DE ENERGIZED WITH LOW FLOW LOW LEVEL DRY OR HIGH TEMPERATURE J24 RELAY DE ENERGIZED WITH HIGH FLOW HIGH LEVEL WET OR LOW TEMPERATURE J13 is standard for FLT93 S and J14 is...

Page 22: ...voltmeter to the P1 terminal block with the positive lead to position one and the negative lead to position two Note The terminal block can be unplugged from the control circuit to facilitate easy co...

Page 23: ...this value Calculated Set Point ________ volts DC Note The calculated set point must be at least 0 020 volts greater than the normal signal to ensure that the alarm will reset 5 Slide the mode switch...

Page 24: ...alarm setups the status LED should be off For high flow alarm setups the status LED should be on 3 Establish the process alarm condition and monitor the voltmeter display 4 When the output signal pas...

Page 25: ...use FCI part number 015664 01 to order 7 Raise the process fluid level so the sensing element is wet 8 Allow the output signal to stabilize and record the wet condition value Wet Condition Signal ___...

Page 26: ...ange states and the relay contacts should change state 19 Reestablish the normal level condition Both the LED and relay contacts should reset 20 Disconnect the voltmeter from P1 21 Replace the enclosu...

Page 27: ...her the status LED is on or off red for No 1 or green for No 2 If the LED is off turn the set point adjustment potentiometer R26 for alarm No 1 or R25 for alarm No 2 slowly clockwise just until the LE...

Page 28: ...itch is in the RUN position 6 Attach a DC voltmeter to P1 connector with the positive lead to position one and the negative lead to position two Note The terminal block can be unplugged from the contr...

Page 29: ...0 030 volts then the calculated set point would be 0 055 volts 4 Record this value Calculated Set Point ________ volts DC Note The calculated set point must be at least 0 020 volts less than the norma...

Page 30: ...tions 1 Ensure that the instrument has been properly installed in the pipeline Fill the pipeline so the sensing element is surrounded by the process medium 2 Apply power to the instrument and allow fi...

Page 31: ...e the instrument for a dual flow and temperature application in air or gas unless the flow rate is greater than 1 0 SFPS The instrument may be used for a dual flow and temperature application in liqui...

Page 32: ...51 84 1 504 41 1 689 2 1 873 2 055 83 1 508 40 1 693 3 1 877 46 2 059 82 1 512 39 1 698 4 1 881 47 2 063 81 1 517 38 1 702 5 1 885 48 2 068 80 1 521 37 1 706 6 1 890 49 2 072 79 1 525 36 1 710 7 1 894...

Page 33: ...2 852 91 2 248 140 2 453 189 2 656 238 2 856 92 2 253 141 2 457 2 660 239 2 860 93 2 257 142 2 461 191 2 664 2 865 94 2 261 143 2 465 192 2 668 241 2 869 95 2 265 144 2 469 193 2 672 242 2 873 96 2 2...

Page 34: ...3 051 335 3 249 384 3 444 433 3 638 287 3 055 336 3 253 385 3 448 434 3 642 288 3 059 337 3 257 386 3 452 3 646 289 3 063 338 3 261 387 3 456 436 3 650 3 068 339 3 265 388 3 460 437 3 654 291 3 072 3...

Page 35: ...8 629 4 395 483 3 834 532 4 024 581 4 212 630 4 399 484 3 838 533 4 028 582 4 216 631 4 403 3 842 534 4 032 583 4 220 632 4 406 486 3 845 4 035 584 4 224 633 4 410 487 3 849 536 4 039 585 4 228 634 4...

Page 36: ...4 5 120 678 4 580 727 4 763 776 4 944 825 5 124 679 4 584 728 4 767 777 4 948 826 5 127 4 587 729 4 770 778 4 951 827 5 131 681 4 591 4 774 779 4 955 828 5 134 682 4 595 731 4 778 4 959 829 5 138 683...

Page 37: ...rmula can be used in the program Use the following formula to determine what the temperature is in degrees Fahrenheit if the FLT temperature output voltage is known y a bx c x dx2 e x2 fx3 g x3 Where...

Page 38: ...ted for desired low flow alarm velocity or signal Alarm 2 set point is adjusted slightly below minimum signal output over range flow High Flow Alarm Settings For the high flow fail safe setup the foll...

Page 39: ...nt is adjusted to approximately half of the liquid signal A lower setting might be needed if the liquid is moving High Level Alarm Settings Sensing Element Normally Dry For the high level fail safe se...

Page 40: ...able connections on terminal strips and terminal blocks Verify that terminal connections are tight and in good condition with no sign of corrosion Remote Enclosure Verify that the moisture barriers an...

Page 41: ...this point observe the system setup to verify operation No disassembly or testing is required at this time Check Serial Numbers Verify that the serial number of the sensing element and the control cir...

Page 42: ...cket If the instrument is set up in remote configuration flow element enclosure seperate from the control circuit enclosure and the ohm readings are incorrect disconnect the flow element cable at the...

Page 43: ...ormal for the LED to blink if the element goes dry Go to Step 2 2 Mode Switch Make sure the mode switch is in the RUN position OK See Step 3 3 Signal Voltage Observation Remove the Heater Wattage Cont...

Page 44: ...lancing procedure Restart the system for proper operation See Step 9 9 Alarm Switch Point Settings Make sure that the jumpers are set correctly The related settings are the Alarm Duty Alarm Quantity a...

Page 45: ...Drawings Inch mm Figure A 1 Local Enclosure NEMA Type 4X and Hazardous Location Aluminum Enclosure Shown Figure A 2 Local Enclosure NEMA Type 4X Fiberglass Shown Figure A 3 Remote Enclosure NEMA Type...

Page 46: ...CAL Figure A 4 Remote Enclosure Feralloy NEMA Type 4 and Hazardous Location Figure A 5 Remote Enclosure Killark NEMA Type 4 and Hazardous Location Figure A 6 1 4 FLT F Only 3 4 or 1 Inch NPT Process C...

Page 47: ...NGS FLUID COMPONENTS INTL Figure A 7 Flanged Process Connection Figure A 8 Low Pressure Packing Gland Figure A 9 Flanged Low Pressure Packing Gland Process Connection Doc No 06EN003246 Rev B A 3 FLT S...

Page 48: ...DRAWINGS Figure A 10 1 1 4 Inch Medium Pressure Packing Gland Connection Figure A 11 Flanged Medium Pressure Packing Gland Process Connection Figure A 12 1 4 Inch Process Connection FLT Series FlexSw...

Page 49: ...1 1 INCH NPT PROCESS CONNECTION HAS A 3 INCH 76 LONG THREADED LENGTH C00421 1 Figure A 13 Wire Pigtail Process Connection C00423 1 Figure A 14 Injection Tube with Tee Fitting Figure A 15 3 4 Inch Fema...

Page 50: ...ONENTS INTL APPENDIX A DRAWINGS Figure A 16 1 Inch NPT FLT93 L Figure A 17 1 Inch RF Flanged FLT93 L Figure A 18 FLT93 C Sanitary Removable Clamp RC Instrument FLT Series FlexSwitch A 6 Doc No 06EN003...

Page 51: ...APPENDIX A DRAWINGS FLUID COMPONENTS INTL Figure A 19 FLT93 C Sanitary Clean In Place CIP Instrument Figure A 20 FLT93 Auxiliary Relay Doc No 06EN003246 Rev B A 7 FLT Series FlexSwitch...

Page 52: ...FLUID COMPONENTS INTL APPENDIX A DRAWINGS Figure A 21 FLT93 PWB Module FLT Series FlexSwitch A 8 Doc No 06EN003246 Rev B...

Page 53: ...ference RTDs Differential temperature Delta T DT The difference in temperature between the active and reference RTDs Heater HTR The part of the sensing element that heats the active RTD Local enclosur...

Page 54: ...PENDIX B GLOSSARY Thermowell The part of the sensing element that protects the heater and RTDs from the process fluid Turndown The ratio of the upper to lower flow rate values FLT Series FlexSwitch B...

Page 55: ...Instruments weighing greater than 60 pounds or extending more than four feet should be secured in wooden crates by bolting the sensing element assembly in place b Protect the sensing element with a ca...

Page 56: ...r return equipment is received at FCI freight collect without prior factory consent FCI bills the sender for these charges Field Service Procedures Field Service Requests Contact your FCI field repres...

Page 57: ...ducts Consequently our employees must have access to data regarding the hazardous materials which the equipment hasbeenexposedtoinyourprocess es Accordingly priortoreturningyourinstrumentforrepair ple...

Page 58: ...ich 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 particulars in support of his claim and s...

Page 59: ...verted to degrees Fahrenheit before a temperature differential is found These parameters and measurements will be discussed later in this appendix Factory Temperature Compensation Settings A Temp Comp...

Page 60: ...ument power and wait fifteen minutes for the instrument to stabilize During this time make sure that the process media is flowing or the sensing elements are submerged Do not make the following adjust...

Page 61: ...e expected operating range 3 Remove the control circuit Disconnect the wires on terminals 6 through 10 Removal of the socket from the enclosure may be necessary for access to the wires 4 Connect the D...

Page 62: ...lculate the Temp Comp factor with the formula shown below TEMP COMP DR Low Temperature DR High Temperature FACTOR R Reference High Temperature R Reference Low Temperature The Temp Comp factor is not t...

Page 63: ...4 08 0 002 124 75 128 21 0 027 128 38 93 46 0 030 121 25 200 00 0 001 124 88 126 58 0 028 128 50 92 59 0 029 121 38 196 08 0 000 125 00 125 00 0 029 128 63 91 74 0 028 121 50 192 31 0 001 125 13 123 4...

Page 64: ...be approved for CE marking conformity by FCI s Engineering Department Conditionally Approved CE marking FLT Series FlexSwitch Configurations 24 VAC and 24 VDC Field Factory Selectable Options Input po...

Page 65: ...should be static conductive mats on the work table and floor with a 1 megohm resistor connected to ground Connect the instrument to ground Apply antistatic agents to hand tools to be used on the inst...

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