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Sierra 221 Automobile Parts User Manual

1. lt Measure gt 4 20mA Output 1 r None b lt 4MA xxxx gt lt 20mA Xxxx gt p lt TimeConst SEC More gt Volume XXXX XXXX XXXX Mass Example for Setting an Output The following shows how to set Output 1 to measure volumetric flow with 4 mA 0 gal min and 20 mA 100 gal min with a time constant of 5 seconds All outputs are disabled while using the Setup Menus First set the desired units of measurement 1 Use amp keys to move to the Units Menu see page 3 8 2 Press 2 key until Volume Flow Unit appears Press ENTER 3 Press amp key until gal appears in the numerator Press gt key to move the underline cursor to the denominator Press the key until min appears in the denominator Press ENTER to select 4 Press tt key until Units Menu appears Second set the analog output 1 Use gt keys to move to the Output Menu 2 Press the key until 4 20mA Output 1 appears 3 Press gt key to access Measure selections Press ENTER and press the amp key to select Volume Press ENTER 4 Press gt key to set the 4 mA point in the units you have selected for volume of gal min Press ENTER and use 2 gt keys to set 0 or 0 0 Press ENTER Press gt key to set the 20 mA point Press ENTER and use ft lt gt keys to set 100 or 100 0 Press ENTER Press gt key to select the Time Constant Press ENTER and use 4 gt keys to select 5 Press ENTER
2. 7 Press the EXIT key and answer YES to permanently save your changes Nin 3 4 IM 22 C Series 220 221 Instruction Manual Chapter 3 Operation Display Menu ENTER ENTER Display Menu a ya If Cycle Time is set to zero manual advance is required y Number of Digits Used to set the number of digits displayed after 2 decimal point y ae he TC Display Time Constant used to smooth display y Display VFlow YES or NO y Display MFlow For each parameter TEA NO i Select Yes to view parameter in Run Mode ae Select No to hide parameter in Run Mode Display Total YES or NO y Use DLE keys to access menus Use the Display Menu to set the cycle time for automatic screen sequencing used in the Run Mode change the precision of displayed values smooth the values or enable or disable each item displayed in the Run Mode screens Example for Changing a Run Mode Display Item The following shows how to remove the mass flow screen from the Run Mode screens Note all outputs are disabled while using the Setup Menus Use lt gt keys to move to the Display Menu Press U key until Display MFlow appears Press ENTER to select Press amp key until N appears Press ENTER to select Press EXIT and then ENTER to save changes and return to the Run Mode Mee iS IM 22 C 3 5 Chapter 3 Operation Series 220 221 Instruction Manual 3 6 Totalizer
3. before disassembling any part of the flow meter IM 22 C Chapter 4 Troubleshooting and Repair y y f fi p 4 20 Zero G XXXX Vper 4 20 FScale Veyc P XXXX V Vor Freq Re Direct Tot Disable wt it Recorct Ke It 3 Kb b Gain Control v Filter Control Not Present on 220 models Pre Filt Water Total in EEprom Config Code Factory Defaults Test Pulse Out Vv Hidden Diagnostics Menus The menus shown above can be accessed using the password 16363 then moving to the display that reads Diagnostics Menu and pressing ENTER rather than one of the arrow keys Use the right arrow key to move to the second column Press EXIT to move from the second column back to the first press EXIT while in the first column to return to the setup menus Caution password 16363 will allow full access to the configuration and should be used carefully to avoid changes that can adversely alter the function of the me ter Each of the menus above will first be defined followed by specific troubleshoot ing steps 4 1 Chapter 4 Troubleshooting amp Repair 4 2 Series 220 221 Instruction Manual Column One Hidden Diagnostics Values f vortex shedding frequency Hz fi adaptive filter should be approximately 25 higher than the vortex shedding frequency this is a low pass filter G gain
4. 15 2 9 Chapter 2 Installation 2 10 Series 220 221 Instruction Manual Installing Flow Meters with a Compression Connection Use the following formula to determine insertion length for flow meters NPT and flanged with a compression process connection The installation procedure is given on the next page Insertion Length Formula I S F R t Where Insertion length Stem length the distance from the center of the sensor head to the base of the enclosure adapter S 29 47 inches for standard probes S 13 1 inches for compact S 41 47 inches for 12 inch extended F Distance from the raised face of the flange or top of NPT stem housing to the outside of the pipe wall R Pipe inside diameter 2 for pipes ten inches and smaller R Five inches for pipe diameters larger than ten inches t Thickness of the pipe wall Measure the disk cut out from the tapping proce dure or check a piping handbook for thickness Figure 2 6 Insertion Calculation Compression Type Example To install a Series 221 meter with a standard probe S 29 47 inches into a 14 inch schedule 40 pipe the following measurements are taken F 3 inches R 5inches t 0 438 inches II The insertion length for this example is 21 03 inches Insert the stem through the fit ting until an insertion length of 21 03 inches is measured with a ruler All dimensions are in inches IM 22 C Series 220 221 Instruction Manual
5. Instruction Manual Start Up To begin flow meter operation 1 Verify the flow meter is installed and wired as described in Chapter Note 2 Starting the flow meter or pressing EXIT will 2 Apply power to the meter At start up the unit runs a series of self always display the Run tests that check the program configuration and all flow sensing com Mode screens ponents After completing the self test sequence the Run Mode screens appear 3 The Run Mode displays flow information as determined by settings en tered in the Display Menu page 3 5 Press the tt arrow keys to view the Run Mode screens Press the ENTER key from any Run Mode screen to access the Setup Menus Use the Setup Menus to configure the meter s multi parameter features to fit your application Run Mode Screens ENTER Volume Flow Rate P Password Mass Flow ENTER Rate Setup Press EXIT to return Menus to Run Mode Total Vv Use D vb keys to access each item To operate the six push buttons through the display enclosure use the hand held magnet as shown at right 3 2 IM 22 C Series 220 221 Instruction Manual Using the Setup Menus Chapter 3 Operation Run Mode Screens Volume ENTER F
6. and the velocity sensor measures the frequency of vortices cre ated by the shedder bar The velocity sensor head is located downstream of the shedder bar within the flow body Velocity Measurement IM 22 C The Innova Flo vortex velocity sensor is a patented mechanical design that minimizes the effects of pipeline vibration and pump noise both of which are common error sources in flow measurement with vortex flow meters The velocity measurement is based on the well known Von Kar man vortex shedding phenomenon Vortices are shed from a shedder bar and the vortex velocity sensor located downstream of the shedder bar senses the passage of these vortices This method of velocity measurement has many advantages including inherent linearity high turndown reliabil ity and simplicity 1 3 Chapter 1 Introduction Series 220 221 Instruction Manual Vortex Shedding Frequency Von Karman vortices form downstream of a shedder bar into two distinct wakes The vortices of one wake rotate clockwise while those of the other wake rotate counterclockwise Vortices generate one at a time al ternating from the left side to the right side of the shedder bar Vortices interact with their surrounding space by over powering every other nearby swirl on the verge of development Close to the shedder bar the distance or wave length between vortices is always constant and meas urable Therefore the volume encompassed by each vortex remains con stan
7. applied to vortex signal amplitude Gain changes from 333 3 at a weak signal to 100 0 then 33 3 then 10 0 then 3 3 then 1 0 as the flow rate increases A A to D counts vortex signal amplitude This value ranges from about 200 to 4000 It also increases as the flow rate increases but will shift when the gain steps to a different level Vper vortex period for factory use only Vcyc vortex cycle for factory use only V calculated average pipe velocity ft sec Re calculated Reynolds number Tot totalizer value in the same units as the display wt totalizer fraction in lb Counts up until the next round number is reached in terms of the displayed units then the to talizer increments and the wt value starts again at zero it totalizer iteration Counts the total in lb and rolls over to zero at 1000 lb Ke profile equation factory use only Series 221 only It profile equation factory use only Series 221 only Kb profile equation factory use only Series 221 only b profile equation factory use only Series 221 only Column Two Hidden Diagnostics Values 4 20 Zero Analog counts to calibrate zero on analog output 4 20 FScale Analog counts to calibrate full scale on analog out put Vor Freq Direct Frequency output setting used by factory dur ing calibration Set to NO if totalizer is used Disable ReCorct Disable Reynolds number correction Set to YES for series 220 i
8. be operated through the sealed enclosure using a hand held magnet thereby not compromising the integrity of the hazardous location certification The electronics include nonvolatile memory that stores all configuration information The memory allows the flow meter to function immediately upon power up or after an interruption in power IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation Chapter 2 Installation Installation Overview Innova Flo meter installations are simple and straightforward Both the Se ries 220 In Line and Series 221 Insertion type flow meter installations are covered in this chapter After reviewing the installation requirements given below see page 2 3 for Series 220 installation instructions See page 2 6 for Series 221 installation instructions Wiring instructions begin on page 2 19 Flow Meter Installation Requirements Before installing the flow meter verify the installation site allows for these A considerations Warning Gansuittie lowneler name 1 Line pressure and temperature will not exceed the flow meter plate for specific flow meter rating approvals before any hazard ous location installation 2 The location meets the required minimum number of pipe di ameters upstream and downstream of the sensor head as illus trated Figure 2 1 3 Safe and convenient access with adequate overhead clearance for maintenance purposes 4 Verify that the cable entry into the instru
9. pressure greater than 50 psig To avoid serious injury DO NOT loosen a compression fitting under pressure All wiring procedures must be performed with the power Off Before attempting any flow meter repair verify that the line is de pressurized Always remove main power before disassembling any part of the mass flow meter A Caution Calibration must be performed by qualified personnel Sierra Instruments Inc strongly rec ommends that you return your flow meter to the factory for calibration In order to achieve accurate and repeatable performance the flow meter must be in stalled with the specified minimum length of straight pipe upstream and downstream of the flow meter s sensor head When using toxic or corrosive gases purge the line with inert gas for a minimum of four hours at full gas flow before installing the flow meter Wafer style flow meter gaskets must be carefully aligned to ensure accurate flow meas urement For Series 221 insertion flow meter installations the sensor alignment pointer must point downstream in the direction of flow IM 22 C 0 5 Table of Contents Series 220 221 Instruction Manual 0 6 IM 22 C Series 220 221 Instruction Manual Chapter 1 Introduction Chapter 1 Introduction Innova Flo Vortex Flow Meters The Sierra Instruments Series 220 In Line and the Series 221 Insertion Innova Flo Vortex Flow Meters provide a reliable solution for process flow measurement From a sing
10. that the flow meter s sensor head will not in terfere with the operation of the isolation valve 2 6 IM 22 C Series 220 221 Instruction Manual Caution When using toxic or corrosive gases purge the line with inert gas for a minimum of four hours at full gas flow before installing the flow meter A Warning All flow meter connec tions isolation valves and fittings for cold tapping must have the same or higher pressure rating as the main pipeline IM 22 C Chapter 2 Installation Cold Tap Guidelines Refer to a standard code for all pipe tapping operations The following tap ping instructions are general in nature and intended for guideline purposes only 1 Turn off the flow of process gas liquid or steam Verify that the line is not pressurized 2 Confirm that the installation site meets the minimum upstream and downstream pipe diameter requirements See Figure 2 1 3 Use a cutting torch or sharp cutting tool to tap into the pipe The pipe opening must be at least 1 875 inches in diameter Do not attempt to in sert the sensor probe through a smaller hole 4 Remove all burrs from the tap Rough edges may cause flow profile dis tortions that could affect flow meter accuracy Also obstructions could damage the sensor assembly when inserting into the pipe 5 After cutting measure the thickness of the cut out and record this num ber for calculating the insertion depth 6 Weld the flow meter p
11. the denominator Press ENTER to select 4 Press tf key until Units Menu appears Second set the pulse output 1 Use keys to move to the Totalizer Menu 2 Press the key until Totaling appears 3 Press ENTER and press the amp key to select Volume Press ENTER 4 Press amp key to set the gallons per pulse Press ENTER and use ft lt gt keys to set the pulse value equal to the maximum flow in the same units per second This will limit the frequency to 1 Hz Press ENTER 5 To reset the totalizer press key until Reset Total appears Press ENTER and the J key to reset the totalizer if desired Press ENTER 6 Press the EXIT key and answer YES to permanently save your changes IM 22 C Series 220 221 Instruction Manual Chapter 3 Operation Units Menu ENTER Run Mode gt Password Use TLEER keys to access menus Volume Flow Unit gal sec bbl f A min cm 3 hr bbl barrels 42 US gallon lit m3 day ft 3 y Mass Flow Unit Ib ton ton 2000 Ib gram Bee mton Metric Ton 1000 kg kg pee mn sm 3 standard cubic meters mton hr scf standard cubic feet sm 3 day nm 3 normal cubic meters scf nm 3 y Use the Units Menu to configure the flow meter with the desired units of measurement These are global settings and determine what appears on all screens IM 22 C 3 7 Chapter 3 Operation Series 220 221 Instruction Manua
12. 0 Ib Process Fluid Standard temperature sensor 40 to 400 F 40 to 205 C Medium temperature sensor 250 to 500 F 120 to 260 C High temperature sensor 250 to 750 F 120 to 400 C Ambient Operating 5 to 140 F 20 to 60 Storage 40 to 150 F 40 to 65 C 0 98 relative humidity non condensing conditions IM 22 C Series 220 221 Instruction Manual IM 22 C Power Requirements Output Signals Display Totalizer Wetted Materials Enclosure Electrical Ports Mounting Connections Mounting Position Certifications Appendix A Specifications Loop powered 12 to 36 VDC Analog field rangeable linear 4 20 mA output signal 1000 ohms maximum loop resistance selected by user for volumetric flow rate or mass flow rate Pulse field rangeable volume pulse output for totalization is a 50 millisecond duration pulse operating a solid state relay capable of switching 40 VDC 40 mA maximum Alphanumeric 2 x 16 LCD digital display Six push buttons up down right left enter exit operable either di rectly on the display panel or with a hand held magnet through the display glass of the explosion proof enclosure Viewing at 90 mounting intervals Based on user determined flow units six significant figures in scien tific notation Total stored in non volatile memory Series 220 In Line Flow Meter 316L stainless steel standard C276 h
13. 221 Instruction Manual Wafer Style Flow Meter Installation Install the wafer style meter between two conventional pipe flanges of the same nominal size as the flow meter If the process fluid is a liquid make sure the meter is located where the pipe is always full This may require lo cating the meter at a low point in the piping system Note Vortex flow me ters are not suitable for two phase flows i e liquid and gas mixtures For horizontal pipelines having a process temperature above 300 F mount the meter at a 45 or 90 degree angle to avoid overheating the electronics enclo sure To adjust the viewing angle of the enclosure or display keypad see page 2 17 Enclosure and display keypad are adjustable to suit most viewing angles Shedder bar bluff body is positioned upstream of the sensor Incorrect gasket position Do not allow any gasket material to extend into the flow profile CL WLLL Doo Figure 2 3 Wafer Style Flow Meter Installation When installing the meter make sure the section marked inlet is positioned up stream of the outlet facing the flow This ensures that the sensor head is posi tioned downstream of the vortex shedder bar and is correctly aligned to the flow Installing the meter opposite this direction will result in completely inaccurate flow measurement To install the meter 1 Turn off the flow of process gas liquid or steam Verify that th
14. 7 5 1178 27 66 110 247 2535 6246 10410 23308 500 psig 19 5 1464 29 72 120 270 3147 7752 12920 22592 Note 1 Standard conditions are 70 F and 1 atmosphere Steam Minimum and Maximum Flow Rates lb hr Pressure inch 1 inch 1 5 inch 2 inch 3 inch 4 inch 6 inch 8 inch 5 psig 12 122 20 49 82 183 319 722 1265 265 652 1087 2434 4237 9598 16815 100 psig 27 4 639 46 112 187 419 729 1651 2893 1385 3413 5688 12735 22168 50219 87980 200 psig 37 1164 61 151 252 565 984 2229 3905 2524 6217 10362 23200 40385 91485 160275 300 psig 44 5 1689 74 182 304 681 1185 2685 4707 3662 9021 15035 33664 58601 132750 232570 400 psig 51 2220 85 209 349 781 1359 3078 5393 4814 11859 19764 44253 77033 174505 305721 500 psig 57 2761 95 233 389 870 1515 3433 6014 5986 14745 24575 55025 95784 216983 331080 A 1 Appendix A Specifications A 2 Series 220 221 Instruction Manual Water Minimum and Maximum Flow Rates Y inch inch 1 inch 1 5 inch 2 inch 3 inch 1 22 1 3 40 2 2 67 5 5 9 2 21 166 276 618 23 5 3 9 1 Linear Range 0 5 15 Process Fluid Pressure 1 3 2 1 4 7 38 63 140 Smart electronics corrects for lower flow down to a Reynolds num ber of 5 000 The Reynolds number is calculated using the fluid density and
15. Adjustment Series 220 Only Loosen three setscrews and rotate enclosure maximum 180 degrees from original position Figure 2 13 Enclosure Viewing Adjustment To avoid damage to the sensor wires do not rotate the enclosure beyond 180 degrees from the original position To adjust the enclosure 1 2 Remove power to the flow meter Loosen the three set screws shown above Rotate the display to the de sired position maximum 180 degrees Tighten the three set screws Restore power to the meter IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation Warning To avoid potential electric shock follow National Electric Code safety practices or your local code when wiring this unit to a power source and to peripheral devices Failure to do so could result in injury or death All wiring procedures must be performed with the power off IM 22 C Wiring Connections The NEMA 4X enclosure contains an integral wiring compartment with one dual strip terminal block located in the smaller end of the enclosure Two 3 4 inch female NPT conduit entries are available for separate power and signal wiring For all hazardous area installations make sure to use an agency approved fitting at each conduit entry If conduit seals are used they must be installed within 18 inches 457 mm of the enclosure Pulse and Power Terminals Input Power Connections To access the wiring terminal blocks lo
16. Caution The sensor alignment pointer must point downstream in the direction of flow A Warning To avoid serious injury DO NOT loosen the compression fitting under pressure IM 22 C Chapter 2 Installation Insertion Procedure for Meters with a Compression Connection Sensor alignment pointer Enclosure adapter Compression nut Compression nut Stem housing Sensor head 2 inch NPT Flange connection connection Figure 2 7 Flow Meter with Compression Type Fitting 1 Calculate the required sensor probe insertion length 2 Fully retract the stem until the sensor head is touching the bottom of the stem housing Slightly tighten the compression nut to prevent slippage 3 Bolt or screw the flow meter assembly into the process connection Use Teflon tape or pipe sealant to improve the seal and prevent seizing on NPT styles 4 Hold the meter securely while loosening the compression fitting Insert the sensor into the pipe until the calculated insertion length I is meas ured between the base of the enclosure adapter and the top of the stem housing or to the raised face of the flanged version Do not force the stem into the pipe 5 Align the sensor head using the sensor alignment pointer Adjust the alignment pointer parallel to the pipe and pointing downstream 6 Tighten the compression fitting to lock the stem in position When the compression fitting is tightened the positi
17. Chapter 4 Troubleshooting amp Repair A Warning Before attempting any flow meter repair verify that the line is not pressurized Always remove main power before disassembling any part of the mass flow meter IM 22 C analog board The meter should read electrical noise 60 Hz for ex ample If all readings are correct re install vortex sensor wires 4 Verify all meter configuration and troubleshooting steps previously described There are many possible causes of this problem consult factory if necessary Electronics Assembly Replacement All Meters The electronics boards are electrostatically sensitive Wear a grounding wrist strap and make sure to observe proper handling precautions re quired for static sensitive components 1 Turn off power to the unit 2 Locate and loosen the small set screw which locks the larger enclo sure cover in place Unscrew the cover to expose the electronics stack 3 Locate the sensor connector that comes up from the neck of the flow meter and attaches to the circuit board Use small pliers to pull the connector off of the circuit board 4 Locate and loosen the small set screw which locks the smaller enclo sure cover in place Unscrew the cover to expose the field wiring strip Tag and remove the field wires 5 Remove the screws that hold the black wiring label in place remove the label 6 Locate the 4 Phillips head screws which are spaced at 90 degrees around the terminal
18. Menu ENTER Run Mode gt Password ENTER Totalizer Menu Use ove keys to access menus Totaling m Inactive Example Volume Mass Maximum flowrate 600 gallons per minute A 600 gallons per minute 10 gallons per second unit Pulse TOA If unit per pulse is set to 600 gallons per pulse v the totalizer will pulse once every minute Reset Total YES or NO If unit per pulse is set to 10 gallons per pulse the totalizer will pulse once every second Use the Totalizer Menu to configure and monitor the totalizer The totalizer output is a 50 millisecond 05 second positive pulse relay closed for 50 milliseconds The totalizer cannot operate faster than one pulse every 100 millisecond 1 second A good rule to follow is to set the unit per pulse value equal to the maximum flow in the same units per second This will limit the pulse to no faster than one pulse every second Example for Setting the Totalizer The following shows how to set the totalizer to track volumetric total gallons All outputs are disabled while using the Setup Menus First set the desired units of measurement 1 Use gt keys to move to the Units Menu see to page 3 8 2 Press Q key until Volume Flow Unit appears Press ENTER 3 Press amp key until gal appears in the numerator Press gt key to move the underline cursor to the denominator Press the key until min appears in
19. Sierra Instruments The information contained in this manual is subject to change without notice TRADEMARKS Innova Flo is a trademark of Sierra Instruments Inc Other product and company names listed in this manual are trademarks or trade names of their respective manufacturers Revision B Added CE required wiring information Improved insertion graphics Added in formation on wafer style installation adjusting meter orientation remote sensor wiring and component field replacement procedures Revision C Changed to new style 220 body and adapter Removed 4 20 A D counts from calibration menu Various minor updates Series 220 221 Instruction Manual Table of Contents Table of Contents Chapter 1 Introduction Innova Flo Vortex Flow Meters c ccccscscsssssessesessssesssssssessesseseeesees 1 1 Using this Manual 000 0 cccccccessecsseceteceseceeeeeeeceeeeeeseesseeeeeeeeesaees 1 1 Note and Safety Information ccccccescceseceseceeeceseeeseeeseeeseensees 1 2 Receipt of System Components ccccccceesseesseesseetseeteenteeeeeeens 1 2 Technical Assistance vic scent sseccesarescvevssteaceves saci e i 1 2 How the Innova Flo Vortex Flow Meter Operates csceeseeeees 1 3 Velocity Measurement Pressure Drop cccesccessceeeeeseeteetteetnees 1 3 Flow Meter Configurations cccccccecscesccessseeceeesseeseeeseeesseenecneenseeees 1 7 Chapter 2 Installation Installation OVervieW ccceescee
20. Sierra Series 220 and 221 Innova Flo Vortex Flow Meters Instruction Manual Part Number IM 22 05 03 Revision C IMPORTANT This manual is for use with 220 221 Vortex Products purchased during 1997 through January 2006 INSTRUMENTS THE MASS FLOW COMPANY CORPORATE HEADQUARTERS 5 Harris Court Building L Monterey CA 93940 Phone 831 373 0200 800 866 0200 Fax 831 373 4402 www sierrainstruments com EUROPE HEADQUARTERS Bijlmansweid 2 1934RE Egmond a d Hoef The Netherlands Phone 31 72 5071400 Fax 31 72 5071401 ASIA HEADQUARTERS Tomson Centre Rm A618 188 Zhang Yang Road Pu Dong New District Shanghai P R China Phone 8621 5879 8521 Fax 8621 5879 8586 Customer Notice Unless you have specifically ordered Sierra s optional O cleaning this flow meter may not be fit for oxygen service Sierra Instruments Inc is not liable for any damage or personal injury whatsoever resulting from the use of Sierra Instru ments standard mass flow meters for oxygen gas You are responsible for clean ing the mass flow meter to the degree required for your oxygen flow application COPYRIGHT SIERRA INSTRUMENTS 1997 No part of this publication may be copied or distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical manual or otherwise or disclosed to third parties without the express written permission of
21. act that amount from 1 18 inches This gives you the thread engagement length If this cannot be measured use 55 inch for this amount F 12 inches R 5inches t 0 438 inches The example insertion length is 15 54 inches All dimensions are in inches 2 12 IM 22 C Series 220 221 Instruction Manual JN Caution The sensor alignment pointer must point downstream in the direction of flow AN Note If line pressure is above 500 psig it could require up to 25 ft Ib of torque to insert the flow meter Do not confuse this with possible interference in the pipe IM 22 C Chapter 2 Installation Insertion Procedure for Flow Meters with Permanent Insertion Tool Upper retractor bracket Depth marker arrow gt ATEN Scribe mark Da Stem lock bolt center Sensor alignment pointer Stem Packing gland nuts Stem housing Permanent insertion tool Sensor head Figure 2 9 Flow Meter with Permanent Insertion Tool 1 Calculate the required sensor probe insertion length see previous page Measure from the depth marker arrow down the stanchion and scribe a mark at the calculated insertion depth Fully retract the flow meter until the sensor head is touching the bottom of the stem housing Attach the meter assembly to the two inch full port isolation valve if used Use Teflon tape or pipe sealant to improve seal and prevent seizing on NPT style Loose
22. and sys tem settings unique to your operation see the following pages for in structions on using the setup menus Flow Meter Display Keypad The flow meter s digital electronics allow you to set adjust and monitor system parameters and performance A full range of commands are avail able through the display keypad The LCD display gives 2 x 16 characters for flow monitoring and programming The six push buttons are operable either directly on the display panel or with a hand held magnet through the explosion proof enclosure Display Keypad From the Run Mode theENTER key allows Commands access to the Setup Menus through a password screen Within the Setup Menus pressing ENTER activates the current field To set new parameters press the ENTER key O tt O until an underline cursor appears Use the EXIT ENTER ULE keys to select new parameters INNOVA FLO Press ENTER to continue If change is not alllowed ENTER has no effect All outputs are disabled when using the Setup Menus H ais The EXIT key is active within the Setup Menus 4 When using a Setup Menu EXIT returns you to the Run Mode If you are changing a parameter and make a mistake EXIT allows you to start over The lt keys advance through each screen of the current menu When changing a system parameter all 4 amp 5 keys are available to enter new parameters Figure 3 1 Flow Meter Display Keypad IM 22 C 3 1 Chapter 3 Operation Series 220 221
23. applicable to pipes 2 inch and larger For pipe sizes ten inches and smaller the centerline of the meter s sensing head is located at the pipe s centerline For pipe sizes larger than ten inches the centerline of the sensing head is located in the pipe s cross section five inches from the inner wall of the pipe i e its wetted depth from the wall to the centerline of the sensing head is five inches Insertion flow meters are available in three probe lengths Standard Probe configuration is used with most flow meter process connec tions The length S of the stem is 29 47 inches Compact Probe configuration is used with compression fitting process con nections The length S of the stem is 13 1 inches 12 Inch Extended Probe configuration is used with exceptionally lengthy flow meter process connections The length S of the stem is 41 47 inches Use the Correct Insertion Formula Depending on your flow meter s process connection use the applicable in sertion length formula and installation procedure as follows e Flow meters with a compression type connection NPT or flanged fol low the instructions beginning on page 2 10 e Flow meters with a packing gland type connection NPT or flanged con figured with an insertion tool follow the instructions beginning on page 2 12 e Flow meters with a packing gland type connection NPT or flanged without an insertion tool follow the instructions beginning on page 2
24. astelloy or A105 carbon steel optional Series 221 Insertion Flow Meter 316L stainless steel standard Teflon packing gland below 500 F 205 C Graphite packing gland above 500 F 205 C NEMA 4X cast enclosure Two 3 4 inch female NPT ports Series 220 Wafer or 150 300 600 Ib ANSI flange Series 221 Permanent installation 2 inch MNPT 150 300 600 Ib ANSI flange with compression fitting probe seal Series 221 Hot Tap Installation 2 inch MNPT 150 300 600 Ib ANSI flange and optional retractor with packing gland probe seal Note 1 Removable under line pressure Series 220 In Line Flow Meter No effect Series 221 Insertion Flow Meter Meter must be perpendicular within 5 of the pipe centerline Note 1 For liquid applications pipeline must remain full at all times Construction Inspection ANSI ASME B31 3 Materials NACE MR 01 75 90 CE and FM approved CSA CENELEC approval pending FM approvals Class I Division 1 Groups B C amp D T6 at Tamb 60 C Class II III Division 1 Groups E F amp G IP66 NEMA 4X A 3 Appendix A Specifications Series 220 221 Instruction Manual A 4 IM 22 C Series 220 221 Instruction Manual IM 22 C A acfm ASME Bluff Body BTU Cenelec Compressibility Factor CSA d FGH f Flow Channel Flow Profile FM Ft Ft 2 Ft 3 gpm Hz Appendix B Glossary Appendix B Glossary ABCD Cross sectional area Actual cubic
25. board These screws hold the electronics stack in the enclosure Loosen these screws Note that these are captive screws they will stay inside the enclosure 7 Carefully remove the electronics stack from the opposite side of the enclosure If the electronics stack will not come out gently tap the terminal strip with the screw driver handle This will loosen the rub ber sealing gasket on the other side of the enclosure wall Be careful that the stack does not hang up on the loose sensor harnesses 8 Repeat steps 1 through 6 in reverse order to install the new electron ics stack 4 5 4 6 Chapter 4 Troubleshooting amp Repair Series 220 221 Instruction Manual Returning Equipment to the Factory Before returning any Innova Flo meter to the factory you must re quest a Return Material Authorization RMA number To obtain an RMA number and the correct shipping address contact Customer Ser vice at 800 866 0200 or 831 373 0200 in the USA or 31 0 20 6145810 in Europe When contacting Customer Service be sure to have the meter serial number and model code When requesting further troubleshooting guidance record the following values first f fi G and A at no flow and during flow if possible Pressure temperature and flow rate IM 22 C Series 220 221 Instruction Manual IM 22 C Appendix A Specifications Appendix A Product Specifications Accuracy Repeatability Response Time Material Compatibi
26. cate and loosen the small set screw which locks the small enclosure cover in place Unscrew the cover to expose the terminal block DC Power Wiring Connect 4 20 mA loop power 12 to 36 VDC to the Pwr and Pwr termi nals on the terminal block Torque all connections to 4 43 to 5 31 in lbs 0 5 to 0 6 Nm The DC power wire size must be 20 to 10 AWG with the wire stripped 1 2 inch 14 mm The nominal voltage required to operate the 4 20 mA loop is 12 volts at the meter The 4 20 mA loop is optically isolated from the flow meter electronics 12 to 36 VDC Figure 2 14 DC Power Connections 2 19 Chapter 2 Installation Series 220 221 Instruction Manual 4 20 mA Output Connections The Innova Flo meter has a single 4 20 mA loop The 4 20 mA loop current is controlled by the meter electronics The electronics must be wired in series with the sense resistor or current meter The current control electronics re quire 12 volts at the input terminals to operate correctly The maximum loop resistance load for the current loop output is depend ent upon the supply voltage and is given in Figure 2 16 The 4 20 mA loop is optically isolated from the flow meter electronics Rjoaa is the total resistance in the loop including the wiring resistance Road Rwire Reense To calculate Rmax the maximum Rjoaq for the loop use the maximum loop current 20 mA The voltage drop in the loop due to resis tance is 20 mA times Rjoaq and this dro
27. cceceeseeeecesecseeseeeecesecaeeeceeaeceaeeaeeeeceaeeatens 2 1 Flow Meter Installation Requirements cccccccssesseeeteeeteeeteees 2 1 Unobstructed Flow Requirements ccccescesceeteeteeteeseetsees 2 2 Series 220 In Line Flow Meter Installation 0 ccceescescesseerteetteentees 2 3 Wafer Style Flow Meter Installation ccccceeceesseseeeeeteeeteeesees 2 4 Flange Style Flow Meter Installation ec ceeeceseeseeneeereeeeeeee 2 5 Series 221 Insertion Flow Meter Installation cecscessesseesteentees 2 6 Cold Tap Guideliness sinisen a a E ER O E 2 7 Hot Tap Guidelines 00 0 ccccccccsscesseceseceseceseeeeeceeeeeeeeeeseeeeeeneeeaees 2 8 Flow Meter Insertion seee a e e i TE E 2 9 Installing Meters with a Compression Connection cee 2 10 Installing Meters with a Packing Gland Connection 2 12 Installing Meters Packing Gland No Insertion Tool 2 15 Adjusting Meter Orientation cccccccecssecsteceteceteceseceeeeeseeeseeeneeeeaes 2 17 Display Keypad Adjustment cccccccesesseceteceseceeeeeeeeeseeeeneeenes 2 17 Enclosure Adjustment cccccccccsseestecsteeseceeeceeeeeeaeeeseeeseeeeeesaes 2 18 Wiring Connections cccccccesccesscessceeeceeeceeeeseeeceseeeseeeseecseeeeseeeeeesaes 2 19 Input Power Connections cccccccecssecsseceseceneceeceeeceneeeeeeeeeeennes 2 19 Pulse Output Connections cccccccccesecsseeeteceseceeeceeeceeeeeee
28. cceeseeseeeteesteensees 2 18 2 14 DC Power Connections ccccesccessceesceeseeeeeeeseeeseeeeeeneeesaes 2 19 2 15 Load Resistance Versus Input Voltage ceeeesesseetceenees 2 20 2 16 Pulse Output with External Power Supply ccceeeeees 2 21 2 17 Junction Box Sensor Connections cccccceesseeseeteeeeeeeees 2 22 3 1 Flow Meter Display Keypad c ccccccccsseesteesteesteceteeeteenseens 3 1 List of Tables 2 1 Minimum Stud Bolt Lengths for Wafer Style Meters 2 3 0 4 IM 22 C Series 220 221 Instruction Manual Table of Contents Warnings and Cautions Warning Agency approval for hazardous location installations varies between flow meter models Consult the factory for specific flow meter approvals before any hazardous location instal lation For explosion proof installations you must use solid metal conduit and follow NFPA or your local code approved wiring methods Hot tapping must be performed by a trained professional U S regulations often require a hot tap permit The manufacturer of the hot tap equipment and or the contractor perform ing the hot tap is responsible for providing proof of such a permit All flow meter connections isolation valves and fittings for cold hot tapping must have the same or higher pressure rating as the main pipeline For Series 221 insertion flow meter installations an insertion tool must be used for any installation where a flow meter is inserted under
29. cs enclosure should be mounted in a convenient easy to reach location For hazardous location installations make sure to observe agency requirements for installation Allow some slack in the interface cable between the junction box and the remote electronics enclosure To prevent damage to the wiring connections do not put stress on the terminations at any time The meter is shipped with temporary strain relief glands at each end of the cable Disconnect the cable from the meter s terminal block inside the junc tion box not at the remote electronics enclosure Remove both glands and in stall appropriate conduit entry glands and conduit When installation is com plete re connect each labeled wire to the corresponding terminal position on the junction box terminal block Make sure to connect each wire pair s shield Note incorrect connection will cause the meter to malfunction RED 1 v1 e BLK 1 V2 RED 2 V3 BLK 2 V2 Figure 2 17 Junction Box Sensor Connections Note Numeric code in junction box label matches wire labels IM 22 C Series 220 221 Instruction Manual Chapter 3 Operation Chapter 3 Operating Instructions After installing the Innova Flo Vortex Meter you are ready to begin op eration The sections in this chapter explain the display keypad com mands meter start up and programming The meter is ready to operate at start up without any special programming To enter parameters
30. csceceececeeeeeeceeceeaeeceeeeeesaeeseeeeneeees 4 4 Electronics Assembly Replacement cccccccesseesceesteesteeseeneeeseens 4 5 Returning Equipment to the Factory cccccccsseesseeseesseesteesteeeeeneens 4 6 Appendix A Product Specifications Appendix B Glossary List of Figures 1 1 Series 220 In Line Vortex Flow Meter ccceeeeesesseeeteees 1 3 1 2 Measurement Principle of Vortex Flow Meters 0 00 1 4 1 3 Reynolds Number Range for the Innova Flo eeeeeeeee 1 6 2 1 Recommended Pipe Length Requirements ceseeeees 2 2 2 2 Flange Bolt Torquing Sequence cecceecseesseesteesteenteeeeees 2 3 2 3 Wafer Style Flow Meter Installation 0 0 0 eee eeeeseeeeeneeeeees 2 4 2 4 Flange Style Flow Meter Installation 0 ec eeeeseeeeeeeeeeees 2 5 2 5 Hot Tap Sequence e ececcecsscceesceceeeceeseceeseeceeeeeesaeensaeeneneeess 2 8 2 6 Insertion Calculation Compression Type c ccseeseee 2 10 2 7 Flow Meter with Compression Type Fitting eee 2 11 2 8 Insertion Calculation Meters with Insertion Tool 2 12 2 9 Flow Meter with Permanent Insertion Tool cceeeeeeee 2 13 2 10 Flow Meter with Removable Insertion Tool cceee 2 14 2 11 Insertion Calculation Meters without Insertion Tool 2 15 2 12 Display Keypad Viewing Adjustment cee eeseeeeeeeee 2 17 2 13 Enclosure Viewing Adjustment cccccee
31. di ameter The sensing head of an insertion vortex flow meter directly monitors the velocity at a point in the cross sectional area of a pipe duct or stack re ferred to as channels The velocity at a point in the pipe varies as a func tion of the Reynolds number The insertion vortex flow meter computes the Reynolds number based on constant values of the fluid s density and vis cosity stored in its memory and then computes the total flow rate in the channel The output signal of insertion meters is the total flow rate in the channel The accuracy of the total flow rate computation depends on ad herence to the piping installation requirements given in Chapter 2 If ad herence to those guidelines cannot be met contact the factory for specific installation advice Flow Meter Electronics Innova Flo electronics are available mounted directly to the flow body or remotely mounted The electronics housing may be used indoors or outdoors including wet environments The instrument requires 4 20 mA loop power 12 to 36 VDC One analog output signal is available for your choice of volumetric flow rate or mass flow rate A pulse output is available for totalization Chapter 1 Introduction Series 220 221 Instruction Manual The meter includes a local 2 x 16 character LCD display housed within the enclosure Local operation and reconfiguration is accomplished using six push buttons For hazardous locations the six push buttons can
32. diameter inches Meter calibration constant Series 220 pulses ft Series 221 pulses ft Used to correct Meter Factor for thermal expansion of meter body for Series 220 Units are Ib ft Units are Ib ft Used for calculation of standard cubic meters standard cubic feet and normal cubic meters Units are centipoise Cp Adaptive filter setting Low signal threshold for vortex signal dimensionless A to D counts gain The Calibration Menu contains the calibration coefficients for the flow meter These values should by changed only by properly trained personnel The Vortex Coef Ck and Low Flow Cutoff are set at the factory Consult the factory for help with these settings if the meter is showing erratic flow rate The units of measurement used in the Calibration Menu are preset and are as follows Density lbm ft Reference Density lbm ft Viscosity centipoise 3 9 Chapter 3 Operation 3 10 Password Menu Run Mode ENTER o Password Password Menu ENTER Set Password 1234 vy Series 220 221 Instruction Manual Use TL E keys to access menus Use the Password Menu to set or change the system password The factory set password is 1234 IM 22 C Series 220 221 Instruction Manual Chapter 4 Troubleshooting amp Repair Warning Before attempting any flow meter repair verify that the line is not pressurized Always remove main power
33. e S 29 47 into a 14 inch schedule 40 pipe the following measurements are taken F 3 inches R 5inches t 0 438 inches The example insertion length is 21 03 inches All dimensions are in inches IM 22 C 2 15 Chapter 2 Installation Series 220 221 Instruction Manual Insertion Procedure for Flow Meters with No Insertion Tool Packing Gland Connection 1 Calculate the required sensor probe insertion length Warning 2 Fully retract the stem until the sensor head is touching the bottom of the The line must be stem housing Remove the two top stem clamp nuts and loosen two stem less than 50 psig clamp bolts Slide the stem clamp away to expose the packing gland nuts for installation Loosen the two packing gland nuts 3 Align the sensor head using the sensor alignment pointer Adjust the alignment pointer parallel to the pipe and pointing downstream Caution The sensor alignment 4 Insert the sensor head into the pipe until insertion length I is achieved Pa e E Do not force the stem into the pipe direction of flow 5 Tighten the packing gland nuts to stop leakage around the stem Do not torque over 20 ft lbs 6 Slide the stem clamp back into position Torque stem clamp bolts to 15 ft lbs Replace the stem clamp nuts and torque to 10 15 ft lbs 2 16 IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation IM 22 C Adjusting Meter Orientation Depending on installation requirements you
34. e line is not pressurized Confirm that the installation site meets the required minimum upstream and downstream pipe diameters 2 Insert the studs for the bottom side of the meter body between the pipe flanges Place the wafer style meter body between the flanges with the end stamped inlet facing flow Center the meter body inside the diameter with respect to the inside diameter of the adjoining piping 3 Position the gasket material between the mating surfaces Make sure both gaskets are smooth and even with no gasket material extending into the flow profile Obstructions in the pipeline will disturb the flow and cause inaccurate measurements 4 Place the remaining studs between the pipe flanges Tighten the nuts in the sequence shown in Figure 2 2 Check for leaks after tightening the flange bolts IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation A Caution When using toxic or cor rosive gases purge the line with inert gas for a minimum of four hours at full gas flow before installing the flow meter IM 22 C Flange Style Flow Meter Installation Install the flange style meter between two conventional pipe flanges of the same nominal size as the flow meter If the process fluid is a liquid make sure the meter is located where the pipe is always full This may require lo cating the meter at a low point in the piping system Note Vortex flow me ters are not suitable for two phase flows i e liq
35. eeeaeenaes 2 21 Remote Electronics Wiring cccccceeseeseeseesteeseceeceeeeeeeeeeneenaes 2 22 Chapter 3 Operating Instructions Flow Meter Display Keypad cccccccsccssccsssceseeeseeeseeesseesseeneeneenaeenes 3 1 CARE WD taea A S Ea A T TR EOR a 3 2 Using the Setup Menus er reeter e AE EERE 3 3 Programming the Flow Meter cccccescceseceesceeeeeseeeeeeseeeseeeeees 3 3 Output Men as nes ni ai niin E A rant 3 4 Display Meh eaan na ont Gost T E ads ould detest Senses oedeeactinns 3 5 Totalize Menmi oeece chun ts dans E recat de E ETE 3 6 Units Men er aea a a A E a A aa 3 7 Diagnostics Meias iein a a e a E EEA 3 8 Calibration Men s Sienie tnat inane aa aria 3 9 Password Mentiroso neoa e a dete conteenses 3 10 IM 22 C 0 3 Table of Contents Series 220 221 Instruction Manual Chapter 4 Troubleshooting and Repair Hidden Diagnostics Menus cccesccescessceeseeeceeeeeeseeeeeceecsseenseenaeens 4 1 Column One Hidden Diagnostics Values cccccssessesteeeteeeteees 4 2 Column Two Hidden Diagnostics Values cccccccesseeteeeteeeteees 4 2 Analog Output Calibration 0 0 cccecccecseesceeseeeseeesseeseeessecseecseenseeeaeens 4 3 Troubleshooting the Flow Meter cecccecscecsceeseerseeteeseeeseeneenaeens 4 3 Symptom Output at NO FIOW 0 cccccceesseeeteceteceneceseeseeeeteeeeeeeses 4 3 Symptom Erratic Output 0 cccccecsceesseesceeseceteceeeeeeseeesseesneeeaes 4 3 Symptom No Output 2 cc ce ccccce
36. eter has an ID of 1 939 2 schedule 80 Do not install the meter in a pipe with an inside diameter smaller than the inside diameter of the meter For schedule 160 and higher pipe a spe cial meter is required Consult the factory before purchasing the meter Series 220 Meters require customer supplied gaskets When selecting gasket material make sure that it is compatible with the process fluid and pressure ratings of the specific installation Verify that the inside diameter of the gas ket is larger than the inside diameter of the flow meter and adjacent piping If the gasket material extends into the flow stream it will disturb the flow and cause inaccurate measurements Flange Bolt Specifications Stud Bolt Lengths for Each Flange Rating inches Line Size Class 150 Class 300 Class 600 1 inch 1 5 inch 2 inch 3 inch 4 inch Table 2 1 Minimum Recommended Stud Bolt Lengths for Wafer Meters The required bolt load for sealing the gasket joint is affected by several ap plication dependent factors therefore the required torque for each application may be different Refer to the ASME Pressure Vessel Code guidelines for bolt tightening standards Figure 2 2 Flange Bolt Torquing Sequence 2 3 Chapter 2 Installation Caution When using toxic or cor rosive gases purge the line with inert gas for a minimum of four hours at full gas flow before installing the flow meter 2 4 Series 220
37. feet per minute volumetric flow rate American Society of Mechanical Engineers A non streamlined body placed into a flow stream to create vortices Also called a Shedder Bar British Thermal Unit an energy measurement European Electrical Code A factor used to correct for the non ideal changes in a fluid s density due to changes in temperature and or pressure Canadian Standards Association Width of a bluff body or shedder bar Diameter of a flow channel Frequency of vortices generated in a vortex flow meter usually in Hz A pipe duct stack or channel containing flowing fluid A map of the fluid velocity vector usually non uniform in a cross sectional plane of a flow channel usually along a diameter Factory Mutual Foot 12 inches a measure of length Square feet measure of area Cubic feet measure of volume Gallons per minute Hertz cycles per second B 1 Appendix B Glossary Series 220 221 Instruction Manual B 2 IJ KL In Line Flow Meter Insertion Flow Meter Joule LCD NOP m mA u AP P P act P std Permanent Pressure Loss Piezoelectric Crystal PRTD psia psig Py A flow meter which includes a short section of piping which is put in line with the user s piping A flow meter which is inserted into a hole in the user s pipeline A unit of energy equal to one watt for one second Also equal to a Newton meter Liquid crystal display Mass flow ra
38. he Ck setting in the Calibration Menu then the fi value will increase The fi is a low pass filter so by increasing it or lowering it you can alter the range of frequencies that the meter will accept If the vortex signal is strong the fi value will increase to a large number this is correct Note at high frequencies the dis play may not be able to display all the digits of the fi value for ex ample 114 may be displayed and the actual value is 1140 Symptom No Output 1 For remote mounted electronics carefully check all the wiring con nections in the remote mount junction box There are 6 connections that must be correct verify each color black and red shield and wire number Check the density value in the Calibration Menu to see if it is correct for the current operating conditions Using ESD precautions and hazardous area precautions remove the electronics enclosure window cover Disconnect the vortex sensor from the analog board the analog board is the first board below the microprocessor display board Measure the resistance from each outside pin to the meter ground each should be open Measure the resistance from the center pin to the meter ground this should be grounded to the meter With the sensor still disconnected go the first column of the hidden diagnostics and display the vortex shed ding frequency f Hold a finger on the three exposed pins on the IM 22 C Series 220 221 Instruction Manual
39. ically correct down to a Reynolds number of 5 000 Corrected range 0 3 Ye Linear range Strouhal Number St 10 10 10 gt 10 107 10 5000 Reynolds Number Re Figure 1 3 Reynolds Number Range for the Innova Flo Meter 1 6 IM 22 C Series 220 221 Instruction Manual Chapter 1 Introduction Flow Meter Configurations IM 22 C Innova Flo Vortex Flow Meters are available in two configurations e Series 220 in line flow meter replaces a section of the pipeline e Series 221 insertion flow meter requires a cold tap or a hot tap into an existing pipeline Both the in line and insertion configurations are similar in that they both use identical electronics and have similar sensor heads Besides installa tion differences the main difference between an in line flow meter and an insertion flow meter is their method of measurement For an in line vortex flow meter the shedder bar is located across the en tire diameter of the flow body Thus the entire pipeline flow is included in the vortex formation and measurement The sensing head which di rectly measures velocity is located just downstream of the shedder bar An insertion vortex flow meter has its sensing head at the end of a 0 750 inch diameter tubular stem The stem is inserted into the pipe until the sensing head is properly located in the pipe s cross section The sensing head fits through any entry port with an 1 875 inch minimum internal
40. if three 90 bends present double recommended length Minimum Required Upstream Diameters Flow meter iN Flow conditioner if used Example 4 Reduction before meter Flow meter Example 5 Flow conditioner Expansion before meter if used A B Flow meter Flow conditioner if used Example 6 Regulator or valve partially closed before meter If valve is always wide open base length requirements on fitting directly preceding it Minimum Required Downstream Diameters No Flow Conditioner No Flow With Flow Conditioner Conditioner Example A A With Flow Conditioner C C B B 10D N A N A N A 5D 5D 15D 10D 5D 5D 5D 5D 25D 10D 5D 5D 10D 5D 10D 10D 5D 5D 5D 5D 20 D 10D 5D 5D 5D 5D 25D 10D 5D 5D 10D 5D D Internal diameter of channel N A Not applicable Figure 2 1 Recommended Pipe Length Requirements for Installation Series 220 and 221 IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation IM 22 C Series 220 In Line Flow Meter Installation Install the Series 220 In Line Flow Meter between two conventional pipe flanges as shown in Figures 2 3 and 2 4 Table 2 1 provides the recom mended minimum stud bolt lengths for wafer style meter body size and dif ferent flange ratings The meter inside diameter is equal to the same size nominal pipe ID in schedule 80 For example a 2 m
41. ipe connec tion on the pipe Make sure this connection is within 5 perpen dicular to the pipe centerline 7 Install the isolation valve if Correct Alignment Incorrect Alignment used 8 When welding is complete and all fittings are installed close the isola tion valve or cap the line Run a static pressure check on the welds If pressure loss or leaks are detected repair the joint and re test 9 Connect the meter to the pipe process connection 10 Calculate the sensor probe insertion depth as described on the following pages Insert the sensor probe into the pipe Chapter 2 Installation Series 220 221 Instruction Manual Hot Tap Guidelines A Refer to a standard code for all pipe tapping operations The following tap ping instructions are general in nature and intended for guideline purposes Warning l Hot tapping must be ODY performed by a trained ae professional US regula 1 Confirm that the installation site meets the minimum upstream and tions often require a hot tap permit The manufac turer of the hot tap downstream pipe diameter requirements shulpniehtiandiorine 2 Weld a two inch mounting adapter on the pipe Make sure the mounting contractor performing the adapter is within a 5 perpendicular to the pipe centerline see previous hot tap is responsible for page The pipe opening must be at least 1 875 inches in diameter providing proof of such a permit 3 Connect a two inch process connec
42. ket Stem housing Sensor head F Figure 2 10 Flow Meter with Removable Insertion Tool 1 Calculate the required sensor probe insertion length Measure from the depth marker arrow down the stanchion and scribe a mark at the calcu lated insertion depth 2 Fully retract the flow meter until the sensor head is touching the bottom of the stem housing Attach the meter assembly to the two inch full port isolation valve if used Use Teflon tape or pipe sealant to improve seal and prevent seizing on NPT style 3 Remove the two top stem clamp nuts and loosen two stem clamp bolts Slide the stem clamp away to expose the packing gland nuts 4 Loosen the two packing gland nuts Loosen the stem lock bolt adjacent to the sensor alignment pointer Align the sensor head using the sensor alignment pointer Adjust the alignment pointer parallel to the pipe and pointing downstream Tighten the stem lock bolt to secure the sensor po sition 5 Slowly open the isolation valve to the full open position If necessary slightly tighten the two packing gland nuts to reduce the leakage around the stem 6 Turn the insertion tool handle clockwise to insert the stem into the pipe Continue until the top of the upper retractor bracket lines up with the in sertion length mark scribed on the stanchion Do not force the stem into the pipe IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation 7 Tighten the packing gland nuts to
43. l Diagnostics Menu ENTER Run Mode Password ENTER Diagnositcs Menu Sim Vor Freq XXX y Highest Velocity XXX y Use TLEER keys to access menus Simulate Vortex Frequency Hz Highest Recorded Velocity ft sec Use the Diagnostics Menu to simulate flow and review the highest recorded veloc ity in ft sec The simulated vortex frequency is used for testing the meter to verify that the programming is correct Enter any value for the sensor input in Hz The meter will calculate a flow rate based on the corresponding value and update the analog output the totalizer display and output is not affected by a simulated fre quency Note when your diagnostic work is complete make sure to return the simulated frequency to zero to allow the electronics to use the actual value 3 8 IM 22 C Series 220 221 Instruction Manual IM 22 C Calibration Menu ENTER gt Run Mode Password ENTER Calibration Menu Meter Size or Pipe ID y Meter Factor XXXX v Process Temp F XXX y Density XXX y Ref Density XXX y Viscosity XXX y Vortex Coef Ck XX y Low Flow Cutoff XX y Serial Number XXXXXXXXX oy Chapter 3 Operation Use 4h Yb Go keys to access menus Series 220 meter size Series 221 pipe internal
44. le entry point in the pipeline Innova Flo meters offer precise measurements of mass or volumetric flow The ve locity sensor reduces the effects of pipeline vibration by incorporating a unique piezoelectric element that senses the vortex frequency To extend rangeability at the low end of flow the meter s smart electronics calcu lates the Reynolds number Re based on constant values of fluid density and viscosity stored in memory and automatically corrects for any non linearity down to Re 5 000 Innova Flo digital electronics allows reconfiguration for most gases liq uids and steam The instrument is loop powered 12 to 36 VDC with two output signals The pulse output signal is proportional to volumetric flow rate the analog linear 4 20 mA signal offers your choice of volu metric flow rate or mass flow rate The mass flow rate is based on a con stant value for fluid density stored in the instrument s memory The local keypad display provides instantaneous flow rate in engineering units or totalized flow The Sierra Series 220 and 221 Innova Flo Meters simple installation combines with an easy to use interface that provides quick set up long term reliability and accurate flow measurement over a wide range of flows and conditions Using This Manual This manual provides the information needed to install and operate the Series 220 In Line and Series 221 Insertion Innova Flo Vortex Flow Me ters The four chapters of this manual cove
45. lity Flow rates Process 220 Series In Line Meters 221 Series Insertion Meters Variables Liquids Gas amp Steam Liquids Gas amp Steam Volumetric 0 7 of rate 1 of rate 1 2 of 1 5 of rate Flow Rate overa over a rate over a over a 30 1 range 30 1 range 30 1 range 30 1 range Notes 1 Accuracies stated are for the total volumetric flow through the pipe 2 Nominal rangeability is stated Precise rangeability depends on fluid and pipe size 0 1 of rate Adjustable from 1 to 100 seconds Series 220 In Line Flow Meter Any gas liquid or steam compatible with 316L stainless steel C276 hastelloy or A105 carbon steel Not recommended for multi phase flu ids Series 221 Insertion Flow Meter Any gas liquid or steam compatible with 316L stainless steel Not recommended for multi phase fluids Typical volumetric flow ranges are given in the following tables Precise flow range depends on the fluid and pipe size 221 insertion meters are applicable to pipe sizes from 2 inch and above Consult factory for siz ing program Air Minimum and Maximum Flow Rates scfm 1 Pressure inch 1 inch 1 5 inch 2 inch 3 inch 0 psig 3 3 41 4 5 13 22 50 90 221 369 826 100 psig 9 2 324 15 37 62 138 701 1728 2879 6447 200 psig 12 6 608 20 50 83 185 1313 3234 5389 12067 300 psig 15 3 893 24 59 98 220 1924 4740 7900 17687 400 psig 1
46. low Rate p Password Setup Menus Mass Flow ENTER Rate gt Output Display Totalizer Units Diagnostics Calibration Password Menu Menu Menu Menu Menu Menu Menu Total v y y y y y y 4 20 mA Cycle Time Totali Volume Sim Vor Meter Size Set Output 1 sec oing Flow Unit Freq or Pipe ID Password Number of Unit per Mass Flow Highest Meter Fact Digits Pulse Unit Velocity PRR ao Display TC Process sec Reset Total Temp F Display x VFlow Density Display A MFlow Ref Density Display aola Total Viscosity Vortek Coef Ck Low Flow Cutoff Programming the Flow Meter Serial Number 1 Enter the Setup Menu by pressing the ENTER key until prompted for a password All outputs are disabled while using the Setup Menus 2 Use the UE keys to select the password characters 1234 is the factory set password When the password is correctly displayed press ENTER to continue 3 Use the Setup Menus described on the following pages to customize the multi parameter features of your Innova Flo Vortex Meter The entire lower display line is available for entering parameters 4 To activate a parameter press ENTER Use the 2 keys to make selections Press ENTER to continue Press EXIT to save or discard changes and return to Run Mode IM 22 C Chapter 3 Operation Series 220 221 Instruction Manual Output Menu ENTER Run Mode gt Password Use eben keys to access menus
47. may need to adjust the meter orientation There are two adjustments available The first rotates the position of the LCD display keypad and is available on both in line and insertion me ters The second is to rotate the enclosure position This adjustment is only allowed on Series 220 In Line meters Display Keypad Adjustment All Meters Rotate display keypad in 90 degree increments maximum 180 degrees from original position Figure 2 12 Display Keypad Viewing Adjustment The electronics boards are electrostatically sensitive Wear a grounding wrist strap and make sure to observe proper handling precautions required for static sensitive components To adjust the display 1 2 Disconnect power to the flow meter Loosen the small set screw which secures the electronics enclosure Un screw and remove the cover Loosen the 4 captive screws Carefully pull the display microprocessor board away from the meter standoffs Make sure not to damage the connected ribbon cable Rotate the display microprocessor board to the desired position Maxi mum turn two positions left or two positions right 180 degrees Align the board with the captive screws Check that the ribbon cable is folded neatly behind the board with no twists or crimps Tighten the screws Replace the cover and set screw Restore power to the meter 2 17 Chapter 2 Installation 2 18 Series 220 221 Instruction Manual Enclosure
48. ment meets the specific standard required for hazardous area installations 5 For remote installations verify the supplied cable length is suf ficient to connect the flow meter sensor to the remote electron ics Also before installation check your flow system for anomalies such as e leaks e valves or restrictions in the flow path that could create disturbances in the flow profile that might cause unexpected flow rate indications IM 22 C 2 1 Chapter 2 Installation Unobstructed Flow Requirements Series 220 221 Instruction Manual Select an installation site that will minimize possible distortion in the flow profile Valves elbows control valves and other piping components may cause flow disturbances Check your specific piping condition against the ex amples shown below In order to achieve accurate and repeatable perform ance install the flow meter using the recommended number of straight run pipe diameters upstream and downstream of the sensor Note For liquid applications in vertical pipes avoid installing with flow in the downward direction because the pipe may not be full at all points Choose to install the meter with flow in the upward direction if possible Flow meter Example 1 One 90 elbow before meter Flow meter Flow conditione if used Example 2 Two 90 elbows before meter in one plane Flow meter Flow conditione if used Example 3 Two 90 elbows before meter out of plane
49. n line and set to NO for series 221 insertion Gain Control Manual gain control factory use only Leave set at 255 to activate automatic gain control Filter control Manual filter control This value can be changed to any number to force the fi value to a constant A value of zero acti vates the automatic filter control which sets fi at a level that floats above the f value IM 22 C Series 220 221 Instruction Manual IM 22 C Chapter 4 Troubleshooting amp Repair Pre Filt Water Pre filter for liquid applications YES for all liq uid applications and NO for all gas or steam applications Always set to NO for 2 and 3 4 meters due to the high vortex shedding fre quency Total in EEprom totalizer value in the same units as the dis play Config Code Configuration Code unused Factory Defaults Reset to factory defaults If you change this to YES and press ENTER all factory configuration is lost and you must reconfigure the entire program Consult the factory before per forming this process it is required only in very rare cases Test Pulse Out Force totalizer pulse Set to YES and press ENTER to send one pulse Very useful to test totalizer counting equipment Analog Output Calibration To check the 4 20 mA circuit connect a DVM in series with the output loop Select zero or full scale from the second column of the hidden di agnostics and then actuate the enter key twice This action will cause
50. n the two packing gland nuts on the stem housing of the meter Loosen the stem lock bolt adjacent to the sensor alignment pointer Align the sensor head using the sensor alignment pointer Adjust the alignment pointer parallel to the pipe and pointing downstream Tighten the stem lock bolt to secure the sensor position Slowly open the isolation valve to the full open position If necessary slightly tighten the two packing gland nuts to reduce the leakage around the stem Turn the insertion tool handle clockwise to insert the sensor head into the pipe Continue until the top of the upper retractor bracket aligns with the insertion length position scribed on the stanchion Do not force the stem into the pipe Tighten the packing gland nuts to stop leakage around the stem Do not torque over 20 ft lb 2 13 Chapter 2 Installation A Caution The sensor alignment pointer must point downstream in the direction of flow AN Note If line pressure is above 500 psig it could require up to 25 ft lb of torque to insert the flow meter Do not confuse this with possible interference in the pipe 2 14 Series 220 221 Instruction Manual Insertion Procedure for Flow Meters with Removable Insertion Tool arrow Upper retractor bracket Stem lock bolt center Scribe mark Sensor alignment pointer Stem Stem clamp nuts Stem clamp bolts Packing gland nuts covered by stem clamp Lower retractor brac
51. on tacting Sierra Customer Service Technical Assistance If you encounter a problem with your flow meter review the configura tion information for each step of the installation operation and set up pro cedures Verify that your settings and adjustments are consistent with fac tory recommendations Refer to Chapter 4 Troubleshooting for specific information and recommendations If the problem persists after following the troubleshooting procedures outlined in Chapter 4 contact Sierra Instruments Technical Support at 800 866 0200 or 831 373 0200 between 8 00 a m and 5 00 p m PST When calling Technical Support have the following information on hand e the flow range serial number and Sierra order number all marked on the meter nameplate e the problem you are encountering and any corrective action taken e application information gas pressure temperature and pip ing configuration 1 2 IM 22 C Series 220 221 Instruction Manual Chapter 1 Introduction How the Innova Flo Vortex Flow Meter Operates Figure 1 1 Series 220 In Line Vortex Flow Meter Sierra Series 220 and 221 Innova Flo Vortex Flow Meters use a unique velocity sensor head to monitor volumetric flow rate The built in flow computer calculates mass flow rate based on a constant value of fluid density stored in the instrument s memory To measure fluid velocity the flow meter incorporates a bluff body shedder bar in the flow stream
52. on is permanent 2 11 Chapter 2 Installation Series 220 221 Instruction Manual Installing Flow Meters with a Packing Gland Connection Use the formula below to determine the insertion depth for flow meters NPT and flanged equipped with an insertion tool To install see the next page for instructions for meters with a permanent insertion tool For meters with a re movable insertion tool see page 2 14 Insertion Length Formula I F R t 1 35 Where I Insertion length F Distance from the raised face of the flange or top of the process connection for NPT style meters to the top out side of the process pipe R Pipe inside diameter 2 for pipes ten inches amp smaller R Five inches for pipe diameters larger than ten inches t Thickness of the pipe wall Measure the disk cut out from the tapping procedure or check a piping handbook for thickness Figure 2 8 Insertion Calculation Meters with Insertion Tool Example 1 Flange Style Meters To install a Series 221 Flow Meter into a 14 inch schedule 40 pipe the fol lowing measurements are taken F 12 inches R 5 inches t 0 438 inches The example insertion length is 16 09 inches Example 2 NPT Style Meters The length of thread engagement on the NPT style meters is also subtracted in the equation The length of the threaded portion of the NPT meter is 1 18 inches Measure the thread portion still showing after the installation and subtr
53. p for series 220 in line meters is defined as AP 00024 p V English units AP in psi p in lb ft V in ft sec AP 000011 p V Metric units AP in bar p in kg m V in m sec The linear range is defined by the Reynolds number The Reynolds num ber is the ratio of the inertial forces to the viscous forces in a flowing fluid and is defined as p VD Re Where u Re Reynolds Number p mass density ofthe fluid being measured V velocity of the fluid being measured D internal diameter of the flow channel u viscosity of the fluid being measured The Strouhal number is the other dimensionless number that quantifies the vortex phenomenon The Strouhal number is defined as fd St Where V St Strouhal Number f frequency of vortex shedding d shedder bar width V fluid velocity 1 5 Chapter 1 Introduction Series 220 221 Instruction Manual As shown below Innova Flo Vortex Flow Meters exhibit a constant Strouhal number across a large range of Reynolds numbers indicating a consistent linear output over a wide range of flows and fluid types Be low this linear range the intelligent electronics in Innova Flo automati cally corrects for the variation in the Strouhal number Innova Flo s smart electronics correct for this non linearity by calculating the Rey nolds number based on constant values of the fluid s density and viscos ity stored in the instrument s memory Innova Flo Vortex Flow Meters automat
54. p is subtracted from the input voltage Thus The maximum resistance Road Rmax 50 Veupply 12V ae Vsupply Rmax gt 900 volts ohms E a 12 0 O se 800 18 300 8 300 24 600 eo 30 900 36 1200 12 18 24 30 36 Vsupply volts Figure 2 15 Load Resistance Versus Input Voltage 2 20 IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation IM 22 C Pulse Output Connections The pulse output is used for a remote counter When the preset volume or mass defined in the totalizer settings see page 3 6 has passed the meter the output provides a 50 millisecond square pulse The pulse output requires a separate 5 to 36 VDC power supply The pulse output optical relay is a normally open single pole relay The relay has a nominal 200 volt 160 ohm rating This means that it has a nominal on resistance of 160 ohms and the largest voltage that it can withstand across the output terminals is 200 volts However there are current and power specifications that must be observed The relay can conduct a current up to 40 mA and can dissipate up to 320 mW The relay output is isolated from the meter electronics and power supply R current limit 10K Pulse Select resistor so that current M through pulse lt 40mA Figure 2 16 Isolated Pulse Output with External Power Supply 2 21 Chapter 2 Installation Series 220 221 Instruction Manual 2 22 Remote Electronics Wiring The remote electroni
55. r these areas e Chapter 1 includes the introduction and product description Chapter 2 provides information needed for installation Chapter 3 describes system operation and programming Chapter 4 covers troubleshooting and repair The product specifications are found in Appendix A Appendix B con tains a glossary of terms IM 22 C 1 1 Chapter 1 Introduction Series 220 221 Instruction Manual Note and Safety Information We use note caution and warning statements throughout this book to draw your attention to important information AN ZN Warning Caution Note This statement appears with This statement appears with This statement appears with a information that is important to information that is important short message to alert you to protect people and equipment for protecting your equipment an important detail from damage Pay very close and performance Read and attention to all warnings that follow all cautions that apply apply to your application to your application Receipt of System Components When receiving a Sierra flow meter carefully check the outside packing carton for damage incurred in shipment If the carton is damaged notify the local carrier and submit a report to the factory or distributor Remove the packing slip and check that all ordered components are present Make sure any spare parts or accessories are not discarded with the packing material Do not return any equipment to the factory without first c
56. se inaccurate measurements 3 Install bolts in both process connections Tighten the nuts in the sequence shown in Figure 2 2 Check for leaks after tightening the flange bolts Chapter 2 Installation Series 220 221 Instruction Manual Series 221 Insertion Flow Meter Installation Prepare the pipeline for installation using either a cold tap or hot tap method described on the following pages Refer to a standard code for all pipe tap ping operations The following tapping instructions are general in nature and intended for guideline purposes only Before installing the meter review the mounting position and isolation value requirements given below Mounting Position Allow clearance between the electronics enclosure top and any other obstruc tion when the meter is fully retracted Isolation Valve Selection An isolation valve is available as an option with Series 221 meters If you supply the isolation valve it must meet the following requirements 1 A minimum valve bore diameter of 1 875 inches is required and the valve s body size should be two inches Normally gate valves are used 1 875 inch min valve bore 2 Verify that the valve s body and flange rating are within the flow meter s maximum operating pressure and temperature valve size Isolation Valve Requirements 3 Choose an isolation valve with at least two inches existing between the flange face and the gate portion of the valve This ensures
57. stop leakage around the stem Do not torque over 20 ft lbs 8 Slide the stem clamp back into position Torque stem clamp bolts to 15 ft lbs Replace the stem clamp nuts and torque to 10 15 ft lbs 9 Attach the safety chain from the stem clamp to the hook on the enclosure adapter at the nearest link To separate the insertion tool from the flow meter remove four socket head cap bolts securing the upper and lower re tractor brackets Remove the insertion tool Installation of Meters with Packing Gland Connection No Insertion Tool Use the following formula to determine insertion depth for meters with a packing gland connection NPT and flanged without an insertion tool Insertion Length Formula I S F R t Where I Insertion length S Stem length the distance from the center of the sensor head to the base of the enclo sure adapter S 29 47 inches for standard probes S 41 47 inches for 12 inch ex tended probes F Distance from the raised face of the flange or top of NPT stem housing to the outside of the pipe wall R Pipe inside diameter 2 for pipes ten inches amp smaller R Five inches for pipe diameters larger than ten inches t Thickness of the pipe wall Measure the disk cut out from the tapping procedure or check a piping handbook for thickness Figure 2 11 Insertion Calculation Meters without Insertion Tool Example To install a Series 221 Flow Meter with a standard prob
58. t as shown below By sensing the number of vortices passing by the velocity sensor the Innova Flo Vortex Flow Meter computes the total fluid volume Velocity sensor Vortex shedder bar wave length Figure 1 2 Measurement Principle of Vortex Flow Meters Vortex Frequency Sensing The velocity sensor incorporates a piezoelectric element that senses the vortex frequency This element detects the alternating lift forces pro duced by the Von Karman vortices flowing downstream of the vortex shedder bar The alternating electric charge generated by the piezoelec tric element is processed by the transmitter s electronic circuit to obtain the vortex shedding frequency The piezoelectric element is highly sensi tive and operates over a wide range of flows pressures and temperatures IM 22 C Series 220 221 Instruction Manual IM 22 C Chapter 1 Introduction Flow Velocity Range To ensure trouble free operation vortex flow meters must be correctly sized so that the flow velocity range through the meter lies within the measurable velocity range with acceptable pressure drop and the linear range The measurable range is defined by the minimum and maximum velocity using the following table Gas Liquid E ft s Vmin p 1 ft s English p lb ft Vmax 300 ft s 30 ft s E m s Vmin p 0 3 m s Metric p kg m Vmax 91 m s 9 1 m s The pressure drop for series 221 insertion meters is negligible The pres sure dro
59. t at no flow condi tion previously described 4 3 Chapter 4 Troubleshooting amp Repair 4 4 Series 220 221 Instruction Manual 2 Mechanical installation may be incorrect Verify the straight run is adequate as described in Chapter 2 For in line meters make sure the meter is not installed backwards and there are no gaskets protrud ing into the flow stream For insertion meters verify the insertion depth and flow direction The meter may be reacting to actual changes in the flow stream The output can be smoothed using a time constant The displayed values can be smoothed using the time constant in the Display Menu The analog outputs can be smoothed using the time constant in the Out put Menu A time constant of will result in the change in value reaching 63 of its final value in one second A time constant of 4 is 22 10 is 9 5 and 50 is 1 9 of the final value in one second The time constant equation is shown below TC Time Constant change to final value ee in one second 100 1 The vortex coefficient Ck may be incorrectly set The Ck is a value in the equation used to determine if a frequency represents a valid vortex signal given the fluid density and signal amplitude In prac tice the Ck value controls the adaptive filter fi setting During flow view the f and fi values in the first column of the hidden diag nostics The fi value should be approximately 10 20 higher than the f value If you raise t
60. te Milli amp one thousandth of an ampere of current Viscosity a measure of a fluid s resistance to shear stress Honey has high viscosity alcohol has low viscosity Permanent pressure loss Line pressure psia or bar absolute The density of a fluid at the actual temperature and pressure operating conditions The density of a fluid at standard conditions usually 14 7 psia and 20 C Unrecoverable drop in pressure A material which generates an electrical charge when the material is put under stress An resistance temperature detector RTD with plati num as its element Used because of high stability Pounds per square inch absolute equals psig atmospheric pressure Atmospheric pressure is typically 14 696 psi at sea level Pounds per square inch gauge Liquid vapor pressure at flowing conditions psia or bar absolute IM 22 C Series 220 221 Instruction Manual IM 22 C QRST Q Rangeability Reynolds Number or Re RTD scfm Shedder Bar Strouhal Number or St Totalizer Traverse VWXYZ Uncertainty V VAC VDC VORTEX Appendix B Glossary Flow rate usually volumetric Highest measurable flow rate divided by the lowest measurable flow rate A dimensionless number equal to the density of a fluid times the velocity of the fluid times the diameter of the fluid channel divided by the fluid viscosity i e Re pVD u The Reynolds number is an important num ber for vor
61. tex flow meters because it is used to deter mine the minimum measurable flow rate Itis the ratio of the inertial forces to the viscous forces in a flowing fluid Resistance temperature detector a sensor whose resistance increases as the temperature rises Standard cubic feet per minute flow rate converted to standard conditions usually 14 7 psia and 20 C A non streamlined body placed into a flow stream to create vortices Also called a Bluff Body A dimensionless number equal to the frequency of vortices created by a bluff body times the width of the bluff body divided by the velocity of the flowing fluid i e St fd V This is an important number for vortex flow meters because it relates the vortex fre quency to the fluid velocity An electronic counter which records the total accu mulated flow over a certain range of time The act of moving a measuring point across the width of a flow channel The closeness of agreement between the result of a measurement and the true value of the measurement Velocity or voltage Volts alternating current Volts direct current An eddy of fluid B 3 Appendix B Glossary Series 220 221 Instruction Manual B 4 IM 22 C
62. the meter to output its 4 mA or 20 mA condition If the DVM indicates a current greater than 0 006 mA from 4 or 20 adjust the setting up or down until the output is calibrated Note these settings are not for adjust ing the output zero and span to match a flow range that function is lo cated in the Output Menu Troubleshooting the Flow Meter Symptom Output at no Flow 1 The low flow cutoff is set too low At no flow go to the first column of the hidden diagnostics menu and record the G and A values Calculate the value of A G The low flow cutoff must be set above this value Example at no flow G 100 and A 2500 A G 25 Set the low flow cutoff in the Calibration Menu to approximately 28 and the me ter will no longer read a flow rate at no flow Symptom Erratic Output 1 The flow rate may be too low just at the cutoff of the meter range and the flow cycles above and below the cutoff making an erratic output The meter range is stamped on the label on the outside of the electronics enclosure cover based on application conditions when the meter was ordered Consult the factory if necessary to confirm the meter range based on current operating conditions It may be possible to lower the low flow cutoff to increase the meter range See the example above for output at no flow only this time the low flow cutoff is set too high You can lower this value to increase the meter range as long as you do not create the outpu
63. tion on the mounting adapter 4 Connect an isolation valve on the process connection The valve s full open bore must be at least 1 875 inches in diameter Warning All flow meter connec 5 Hot tap the pipe tions isolation valves and fittings for hot tapping Musthavethesare or 6 Close the isolation valve Run a static pressure check on the welds If higher pressure rating as pressure loss or leaks are detected repair the joint and re test the main pipeline 7 Connect the flow meter to the isolation valve 8 Calculate the sensor probe insertion depth as described on the following pages Insert the sensor probe assembly into the pipe Check upstream and downstream piping requirements Weld mounting adapter Connect process connection flange or NPT Connec isolation valve pipe Test for leaks purge pipe Connect meter to valve calculate insertion depth install flow meter Figure 2 5 Hot Tap Sequence IM 22 C Series 220 221 Instruction Manual Chapter 2 Installation Warning An insertion tool must be used for any installation where a flow meter is inserted under pressure greater than 50 psig IM 22 C Flow Meter Insertion The sensor head must be properly positioned in the pipe For this reason it is important that insertion length calculations are carefully followed A sensor probe inserted at the wrong depth in the pipe will result in inaccurate readings Insertion flow meters are
64. uid and gas mixtures For horizontal pipelines having a process temperature above 300 F mount the meter at a 45 or 90 degree angle to avoid overheating the electronics enclo sure To adjust the viewing angle of the enclosure or display keypad see page 2 17 Enclosure and display keypad are adjustable to suit most viewing angles Shedder bar bluff body is positioned upstream of the sensor Incorrect gasket position Do not allow any gasket material to extend into the flow profile Figure 2 4 Flange Style Flow Meter Installation When installing the meter make sure the flange marked inlet is positioned up stream of the outlet flange facing the flow This ensures that the sensor head is positioned downstream of the vortex shedder bar and is correctly aligned to the flow Installing the meter opposite this direction will result in completely inaccu rate flow measurement To install the meter 1 Turn off the flow of process gas liquid or steam Verify that the line is not pressurized Confirm that the installation site meets the required minimum upstream and downstream pipe diameters 2 Seat the meter level and square on the mating connections with the flange marked inlet facing the flow Position a gasket in place for each side Make sure both gaskets are smooth and even with no gasket material extending into the flow profile Obstructions in the pipeline will disturb the flow and cau
65. viscosity entered into the memory Rangeability de pends on the fluid process conditions and pipe size Consult factory for your application Velocity rangeability under ideal conditions is as follows Liquids 30 1 1 foot per second velocity minimum 30 feet per second velocity maximum Gases 30 1 10 feet per second velocity minimum 300 feet per second velocity maximum 220 Pressure Ratings Process Connection Material Rating Flanged 316L SS A105 Carbon Steel C276 Hastelloy 150 300 600 Ib Wafer 316L SS A105 Carbon Steel C276 Hastelloy 600 Ib 221 Pressure Ratings Probe Seal Process Material Rating Ordering Connection Code Compression Fitting 2 inch MNPT 316L SS ANSI 600 Ib CM 2 inch 150 Ib flange 316L SS ANSI 150 Ib CF 2 inch 300 Ib flange 316L SS ANSI 300 Ib CG 2 inch 600 Ib flange 316L SS ANSI 600 Ib CH Packing Gland 2 inch MNPT 316L SS 50 psig PM 2 inch 150 Ib flange 316L SS 50 psig PF 2 inch 300 Ib flange 316L SS 50 psig PG Packing Gland with Removable Retractor 2 inch MNPT 316L SS ANSI 300 Ib 2 inch 150 Ib flange 316L SS ANSI 150 Ib 2 inch 300 Ib flange 316L SS ANSI 300 Ib Packing Gland with Permanent Retractor 2 inch MNPT 316L SS ANSI 600 Ib 2 inch 150 Ib flange 316L SS ANSI 150 Ib 2 inch 300 Ib flange 316L SS ANSI 300 Ib Process Fluid and Ambient Temperature 2 inch 600 Ib flange 316L SS ANSI 60

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