Heating Circulators
Contents
1. sss 17 Programming sche seine 17 SETUP 18 Calibration Loop 20 tege 21 DB9 Connector Pinouts 22 RS 232 Serial Communications Protocol 23 High Temperature Low Liquid Safety 24 e M 25 e udin E 25 eed 25 PID Vales 26 Compliance Unpacking Warranty Preface Products tested and found to be in compliance with the requirements defined in the EMC standards defined by 89 336 EEC as well as Low Voltage Directive LVD 73 23 EEC can be identified by the CE Mark on the rear of the unit The testing has demonstrated compliance with the following directives LVD 73 23 EEC Complies with IEC EN61010 1 EMC 89 336 EEC IEC EN61326 1 For any additional information refer to the Declaration of Conformity that shipped with the unit Retain all cartons and packing material until the unit is operated and found to be in good condition If the unit shows external or internal damage contact the transportation company and file a damage claim Under ICC regulations this is your responsibility The Cole Parmer circulators distributed by Cole Parmer Cole Parmer warrants to the direct purchaser that the product will be free from defects in material or workmanship for a period of two years from the date of delivery Cole Parmer2. The following graph displays this program and indicates the lower half of the MAIN DISPLAY 35 30 25 20 PGMAOr 25 0 1 w 20 0C 2 w 30 0C PGM A 0 w 25 0C PGMAOr250C 1 w 20 0C PGM A 2 w 30 0C PGMA2r3000 PGMA 1r 20 0C SETPOINT 35 0C PGMA2r 3000 J PGM A 0 w 25 0C PGMA 1 r 20 0C N e T N to 5 amp 1 7 7 7 5 REPETITION1 REPETITION2 NOTE There is no indication on the display as to which repetition the program is in 21 Additional Features DB9 Connector Pinouts RS232 Connections DB9 Female J3 5 Common 3 Receive RxD Data from computer 2 Transmit TxD Data to Computer External RTD DB9 Male P2 3 RTD2A 4 RTD2A 8 RTD2B 22 RS232 Serial Communications Protocol Baud rate 9600 Stop bits 1 Parity none Flow control Data bits 8 Commands Description Response UPPERCASEonly CR Help Protocol Examples A1 CR Reports OK to indicate that RS232 is enabled CR OK CR CR S CR Reporttemperature setpoint n CR OK CR CR Sn CR Change temperature setpointto n CR OK CR CR F CR Report bath temperature n CR OK CR CR U CR Report bath temperature units x C F or U x CRJOK CR CR C CR Change temperature units to C CR OK CR CR F CR Change temperature units to F CRJOK CR CR U CR Change temperatur
3. will repair or replace the product or provide credit as its sole option upon prompt notification and compliance with its instructions The Distributor warrants to Customer that upon prompt notification and compli ance with Distributor s instructions that the Distributor will repair or replace at Distributor s sole option any Product which is defective in material or work manship Distributor expressly disclaims all other warranties whether expressed implied or statutory including the warranties of merchantability and fitness for a particular purpose Distributor s sole responsibility and the Customer s exclusive remedy for any claim arising out of the purchase of any Product is repair or replacement as described above In no event shall Distributor s liability exceed the purchase price pain therefor nor shall Distributor be liable for any claims losses or damage of any third party or for lost profits or any special indirect incidental consequential or exemplary damages howsoever arising even if Distributor has been advised of the possibility of such damages Warnings gt Safety In addition to the safety warnings listed below warnings are posted throughout the manual These warnings are designated by an exclamation mark inside an equilateral triangle with text highlighted in bold print Read and follow these important instructions Failure to observe these instructions can result in perma nent damage to the unit signi
4. C Never use pure ethylene glycol as a fluid A maximum 80 20 mixture of ethylene glycol and filtered tap water is allowed The circulator work area has a high and low level marker to guide filling The markers are 1 inch horizontal slits located in the center of the stainless steel baffle separating the work area and the pump assembly The correct fluid level falls between these two markers The heating and cooling coils will be exposed and may become damaged if the correct fluid level is not provided When pumping to an external system keep extra fluid on hand to maintain the proper level in both the circulating lines and external system Never run the unit when the work area is empty When using Dow 200 50 ensure the work area contains no water before filling the unit Dow 200 50 fluid will expand when heated Controllers Start Up Operation Three temperature controllers are available with the unit Digital Digital Ad vanced and Programmable This section explains these three controllers Before starting the unit check all electrical and plumbing connections and make sure the work area has been properly filled with fluid To start any unit place the I O switch on the side of the controller to the I power on position The pump will start and the controller display will light The controller will display the fluid temperature If the FAULT light is illuminated see page 24 Main Display Key Button Definition
5. PRESSNOTO CHANGE RESOLUTION 0 01 PRESSNOTO CHANGE UNITS AREC PRESSNOTO CHANGE U K1 C K2 K3 Knzxxx x HIGH T LIMIT xxx xxC LOW T LIMIT xxx xxC i ENTERPID CONSTRAINTS PROPORTIONAL TERM P xx x OF SPAN INTEGRAL TERM l x xx REPEATS MIN DERIVATIVE TERM D x xx MINUTES MAXCOOLINGDISABLED PRESSNOTO CHANGE KE RS232DISABLED PRESSNOTO CHANGE SAVE SETUP PRESSYESORNO gt 2 g To enter the setup loop press and hold NEXT for three sec E pi onds The display will indicate SETUP LOOP gt lt lt 2y 2 S NOTE Pressing NO displays the software version and then the 2 a Main Display Also the display times out 60 seconds after any key is pressed and reverts to the Main Display Press NEXT or YES to display COOLING ENABLEDPRESSNO TO CHANGE Ignore this display Press NEXT to display RESOLUTION 0 01 PRESS CHANGE Press toggle the resolution between 0 1 0 01 Press NEXT to display UNITS ARE C PRESS NO TO CHANGE Press NO to toggle the scale between Fahrenheit F Celsius C or a user U scale NOTE The following is needed only if a user U scale was selected Press NEXT to display U 2 K1 C K2 K3 Knzxxx x Press SET and then use the arrow keys to change the K values Press NEXT to display HIGH T LIMIT xxx xxC LOW T LIMIT xxx
6. enable RS 232 ESC key To enter the setup loop from the main display press and hold SETUP for three seconds The display will indicate SETUP LOOP NOTE A time out will occur 60 seconds after the last key is pressed and the display will revert to the fluid temperature Up Arrow Ke 4 Down Arrow Press YESor NEXT to display REFRIGERATION OFF WHEN SETPOINT gt xxC Ignore this display Press NEXT to display RESOLUTION 0 01 PRESS NO TO CHANGE Press NO to toggle between 0 1 C and 0 01 C display resolution press YES or NEXT to maintain the displayed resolution Press NEXT to display UNITS ARE C PRESS NO TO CHANGE Press NO to toggle between temperature scales Celsius C Fahrenheit F and a user defined U scale Press YES or NEXT to maintain the dis played scale NOTE The following is used only if a user U scale was selected Press NEXT to display U K1 C K2 Kn xxx x Press SET ENTER and use the keypad to change the values Press NEXT to display HIGH T LIMIT xxx xxC LOW T LIMIT xxx xxC Press SET ENTER and enter the high temperature limit Press SET ENTER to accept the new value Press SET ENTER again to be able to change the low temperature limit Press SET ENTER to accept the new value NOTE To bypass changing the high temperature value press SET ENTER twice when HIGH T LIMIT xxx xxC LOW T LIMIT xxx xxC is initially display Press NEXT to display ENTER PID CONSTANTS Press NO to bypass c
7. i i i i i i i i i i i i 1 i ALIBRATEHIGHTEMP v M 4 indicate SAVE CALIBRATION PRESS YES ORNO Press YES to save the changes The unit will return to the main display CAL EXTERNAL RTD CALIBRATE LOW TEMP EXTERNAL LOW TEMP xxx xxC 4 ALIBRATEHIGH TEMP EXTERNAL HIGH TEMP xxx xxC SAVE CALIBRATION _ PRESS YES ORNO eme Temm meme meme mmm mem a 200 Sample Program This sample program A has three steps and two repetitions The final setpoint is 35 0 C Enter these values as described on page 17 Stepn SETxxx xxC TIME hhh mmm 0 25 0 0 2 1 20 0 0 3 2 30 0 0 1 3 NA 0 0 REPETITIONS nnnn FINAL SETPT xxx xC 2 35 0 Any value can be entered Pressing YES to RUN PROG A returns to the MAIN DISPLAY which now has alower line reading PGM A 0 w 25 0C Ais the current program 0 is the current step w indicates a waiting phase described in the next paragraph and 25 0 is the current setpoint A wis displayed when the program is waiting for the bath to heat or cool from the previous setpoint to the current setpoint When the bath temperature gets to within 0 5 of the current setpoint the display changes to PGM A 0 25 0 the r indicating the running phase for that step Actual step time starts when the display turns to r
8. MP xxx xxC Press SET and then use the arrow keys to change the displayed value to the actual fluid temperature as measured with a calibrated reference thermometer Press NEXT and the display will indicate SAVE CALIBRATION PRESS YES ORNO Press YES to save the change The unit will return to the main display 15 Main Display Key Button Definition Programmable Controller The programmable controller consists of a seven segment LCD with contrast control heating cooling status indicators a 12 button keypad and user adjust able 0 1 or 0 01 temperature display resolution external sensor input with automatic switching in the event of external sensor failure It also features audio visual alarm messages automatic fixed temperature limit user selected high low temperature limits programmable temperature profile RS 232 com munication and a user adjustable Proportional Integral and Derivative PID control The LCD normally indicates the fluid temperature as well as the current setpoint temperature or the external temperature and setpoint 1 Cole Parmer Polystat Heating Cooling Programmable SET ENTER is used to change the current value or status of a function within the software and then to accept the new value or function YES is used to confirm a question asked within the software NO is used to reject or change a function within the software NEXT is used as a means to quickly scroll through the s
9. Viewing Setpoint Changing Setpoint Digital Controller The standard controller consists of aseven segment LCD unit temperature status indicators a three button keypad and a user adjustable Proportional Integral and Derivative PID control The LCD Main Display normally indicates the fluid temperature 7 Cole Parmer Polystat SET ENTER Digital SET ENTER is used to change the current value or status of a function within the software and then to accept the new value or function NEXT is used as a means to quickly scroll through the software loops and settings The up and down arrow keys are used to change a numeric value The setpoint is the desired fluid temperature To view the setpoint press SET ENTER The current setpoint will flash Press SET ENTER again to return to the temperature display The setpoint is the desired fluid temperature To change the setpoint press SET ENTER The current setpoint will flash Use the arrow keys to change the setpoint Scrolling includes three speed acceleration Press SET ENTER to accept the new setpoint NOTE If you do not press SET ENTER a time out will occur 30 seconds after the last key is pressed and the old setpoint will be used 10 Setup Loop NEXT key lt MAIN DISPLAY The setup loop is used to adjust the PID control and change the temperature scale Preset PID values are P 1 2 1 0 20 D 0 00 To enter the setup loop from the te
10. ble and to use the largest diameter tubing practical Tubing should be straight and without bends If diameter reductions must be made make them at the inlet and outlet of the external system not at the unit If substantial lengths of cooling lines are required they should be pre filled with bath fluid before connecting them to the unit This will ensure that a adequate amount of fluid will be in the circulator once it is in operation Pumping The pump is designed to deliver a flow of 15 liters minute 4 gallons per minute at 0 feet head To prevent external circulation the INLET and OUTLET lines are capped The caps must be removed when external circulation is required To properly secure the external hose connections to the unit wrap Teflon tape around the pipe line threads before installation Once the hose connections are made the pump must be properly plumbed to an external system t is important the circulator is not in operation until all plumbing is complete If the circulator is not used for external circulation make sure the stainless steel caps are in place prior to operating the circulator 27 Fluids A Filling Requirements gt D D Before using any fluid refer to the manufacturer s MSDS Filtered tap water is the recommended fluid for operation from 7 C to 80 C see Appendix A Above 80 C Dow 200 50 silicon oil is required Due to potential fire hazard do not use any other fluid above 80
11. cific electrical requirements of your unit Checkthe High Temperature Low Liquid Level Safety If the FAULT lightis on make sure the fluid level in the circulator is between the marks in the baffle and the HIGH TEMP LOW LEVEL SAFETY setting is greater than the fluid tem perature Turn the unit s I O switch off then back on to reset the safety No external circulation Make sure the stainless steel plugs on the PUMP INLET and PUMP OUTLET have been removed Check for obstructions kinks or leaks in the circulation tubing Circulation will cease when the pump head has been exceeded The PID values can be verified in the controller s Setup Loop The factory preset PID values are Digital 1 2 0 20 D 0 00 Digital Advance 1 2 0 20 D 0 05 Programmable P 1 2 2 0 20 D 0 05 25 Appendix Fluids Water Quality Standard and Recommendations Permissible PPM Desirable PPM Microbiologicals algae bacteria fungi 0 0 Inorganic Chemicals Calcium 25 0 6 Chloride 25 10 Magnesium 12 0 1 Sulfate 25 1 Total Hardness 17 0 05 Unfavorably high total ionized solids TIS can accelerate the rate of galvanic corrosion These contaminants can function as electrolytes which increase the potential for galvanic cell corrosion and lead to localized corrosion such as pitting which can be observed at the studs and on the outside surface of cooling coils Eventually the pitting will become so extensive tha
12. e changed NOTE Pressing NEXT instead of SET scrolls to the high temperature calibration Use the arrow keys to change the displayed value to the actual fluid temperature Press ENTER to accept and the numbers will stop flashing NOTE The calibration will adjust to the temperature value read at the moment ENTER is pressed Press NEXT to display hi high calibration temperature Press SET and the high calibration temperature will flash indicating it can be changed NOTE Pressing NEXT instead of SET scrolls to Lo the cold temperature calibration Use the arrow keys to change the displayed value to the actual fluid temperature Press ENTER to accept and the numbers will stop flashing NOTE The calibration will adjustto the temperature value read at the moment ENTER is pressed Press NEXT to calibrate The calibration constants are calculated and GOOD or BAD is briefly displayed to indicate whether the calibration was accepted The display will then indicate the fluid temperature ooo Main Display Key Button Definition Viewing Setpoint Changing Setpoint Advanced Digital Controller The Advanced Digital controller consists of a seven segment LCD Display with contrast control heating cooling status indicators a four button keypad and user adjustable 0 1 or 0 01 display resolution It also features audio visual alarm messages user selected high low temperature limits RS232 communication andauser adjustable Proport
13. e units to U user defined units CRJOK CR CR amp LH CR Report high temperature limit n CR OK CR CR amp LL CR Report low temperature limit n CR OK CR CR amp LHn CH Change high temperature limitto n CRJOK CR CR amp LLn CH Change low temperature limit to n CR OK CR CR amp P CR Reporttemperature resolution n CR OK CR CR number of decimal places amp Pn CR Change temperature resolution n 1 or 2 CR OK CR CR CR carriage return n numeric data Error Messages Description INPUT OR RANGE ERROR CR CR Controller received a setpointthat was out of range REQUEST DENIED CR CR Setpoint can be changed only while Displaying temperature A value is not currently being entered Not in program mode 199 High Temperature Low Liquid Level Safety Toprotect your application the adjustable High Temperature Low Liquid Level Safety HIGH TEMP LOW LEVEL ensures the heater will not exceed tempera tures which can cause serious damage to your unit A single temperature sensor located on the heater coils in the circulator monitors both conditions AHigh Temperature Low Liquid Level fault occurs when the temperature ofthe sensor exceeds the set temperature limit In the event of a fault the unit will shut down and a FAULT LED will illuminate The cause of the fault must be identified and corrected before the unit can be restarted To set the safety locate the HIGH TEMP LOW LEVEL SAFETY adjus
14. ervice and repairs to a qualified technician Description Specifications Temperature Range Digital Advanced Digital Programmable Temperature Stability Digital Advanced Digital Programmable Pumping Capacity Heater Watts Circulator Work Area L x W x D Inches Centimeters Reservoir Volume Gallons Liters IP Class Dimensions L x W x H Inches Centimeters Shipping Weight Pounds Kilograms General Information The PolyStat Heating Circulators are designed to provide temperature control for applications requiring a fluid work area or pumping to an external system The units consist of a circulation pump stainless steel reservoir a work area cover and atemperature controller H6L H13L H28L Ambient 15 to 150 Ambient 15 to 150 Ambient 15 to 150 Ambient 15 to 200 Ambient 15 to 150 Ambient 15 to 150 0 05 0 01 15 Ipm at 0 psig 60 Hz 12 Ipm at 0 psig 50 Hz 800 1000 on 50 Hz units 5Y x 8x6 54x9x8 121 5 x 10 x 8 13 3 x 20 3x 15 2 13 8 x 22 9 x 20 3 30 8 x 26 4 x 20 3 1 37 6 7 6 13 28 IP 21 1434 x 9 4 x 14 15 x 107 s x 153 223A x 135 16 x 153 37 4 x 23 0 x 35 5 39 3 x 27 6 x 39 0 57 79 x 33 0 x 39 0 34 45 96 15 4 20 4 43 5 Ranges defined Ambient 15 to 200 mean that the low end limit is the room ambient temperature 15C i e room ambient 20 C low end 20415 35 C Low end tempe
15. ficant property damage personal injury or death The lightning flash with arrow symbol within an equilateral triangle is intended to alert the user to the presence of non insulated dangerous voltage within the unit s enclosure The voltage may be of significant magnitude to constitute a risk of electrical shock This label engraved into the front of the tank lip indicates the presence of hot surfaces Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit If you have any questions concerning the operation of your unit or the information in this manual contact our Sales Department Performance of installation operation or maintenance procedures other than those described in this manual may result in a hazardous situation and may void the manufacturer s warranty Transport the unit with care Sudden jolts or drops can damage the unit s components Observe all warning labels Never remove warning labels Never operate damaged or leaking equipment Never operate the unit without fluid in the circulator Use water unless operating above 80 C Above 80 C use Dow 200 silicon oil Always turn off the unit and disconnect the line cord from the power source before performing any service or maintenance procedures or before moving the unit Always empty the circulator before moving the unit Never operate equipment with damaged line cords Refer s
16. hangingthe constants and display PROBEIS INTERNAL PRESS NO TO CHANGE or press NEXT to display PROPORTIONAL TERMP xx x OF SPAN Press SET ENTER and use the keypad to enter the 18 Press NEXT to display INTEGRAL TERMI x xx REPEATS MIN Press SET ENTER and use the keypad to enter the desired value Press NEXT to display DERIVATIVE TERM D x xx MINUTES Press SET ENTER and use the keypad to enter the desired value Press NEXTto display PROBEISINTERNAL PRESS NO TO CHANGE Press NO to toggle between internal or external probe or press YES or SET ENTER to use the displayed probe Press NEXTto display MAXINTERN EXTERN TEMP DIFFERENCE xxC Press SET ENTER and use the keypad to enter the desired value Press NEXT to display RS2321S DISABLED PRESS NO TO CHANGE Press NO to toggle between disabled and enabled or press YES or SET ENTER to use the displayed mode Press NEXT to display MAX COOLING DISABLED PRESS NO TO CHANGE Ignore this display Press NEXT to display SAVE SETUP PRESS YES OR Press YES to accept the changes Press NO to ignore them The unit will return to the main display 19 Calibration Loop NOTE The calibration loop is not accessible if a program is running or if RS 232 communications is enabled Use the calibration loop to calibrate the internal and external RTD tempera tures NOTE Changing the factory set calibration will affect the accuracy of the controller A time out is not used in this loo
17. ional Integral and Derivative PID control The LCD Main Display indicates the fluid temperature as well as the current setpointtemperature cf Cole Parmer Fault Polystat Heating Cooling Advanced Digital SET ENTER is used to change the current value or status of a function within the software and then to accept the new value or function YES is used to confirm a question asked within the software NO is used to reject or change a function with in the software NEXT is used as a means to quickly scroll through the software loops and settings The up and down arrow keys are used to change a numeric value The setpoint is the desired fluid temperature To view the setpoint press SET ENTER The current setpoint will flash Press SET ENTER again to return to the temperature display The setpoint is the desired fluid temperature To change the setpoint press SET ENTER The current setpoint will flash Use the arrow keys to change the setpoint Scrolling includes three speed acceleration Press SET ENTER to accept the new setpoint NOTE If you do not press SET ENTER a time out will occur 30 seconds after the last key is pressed and the old setpoint will be used 13 Setup Loop MAIN DISPLAY The setup loop is used to change the display resolution change the temperature scale change temperature limits adjust the PID values and enable disable RS232 communications SETUPLOOP COOLING ENABLED
18. ions is enabled Use the calibration loop to calibrate the RTD temperature probe The wider the temperature spread used the more accurate the calibration NOTE Changing the factory set calibration will affect the accuracy of the controller A time out is not used in this loop Run the temperature to a suitable low end value Once stabilized enter the calibration loop From the main display press and hold NEXT while pressing within three seconds ENTER NO ENTER The display will indicate CALIBRATE RTD MAIN DISPLAY y Up Arrow Key Down Arrow NEXT ke 1 lt Press NEXT and the display indicates CALI BRATELOW TEMP To perform alow tempera ture calibration press YES or NEXT and the display will indicate CAL RTD LOW TEMP xxx xxC Press SET and then use the arrow keys to change the displayed value to the actual fluid temperature as measured with a calibrated reference thermometer Press NEXT until the display indicates SAVECALIBRATIONPRESS YESORNO Press YES to save the change The display will momentarily indicate BOTHHIGH ANDLOW CAL MUST BE DONE then returnto the main display HIGH TEMP xxx xxC Run the temperature to a suitable high end SAVE CALIBRATION PRESS YES ORNO value Once stabilized reenter the calibration loop Press YES or NEXT until the display indicates CALIBRATEHIGH TEMP To performa high temperature calibration press NEXT and MAIN DISPLAY the display will indicate CAL RTD HIGH TE
19. mperature display press and hold NEXT for three seconds The display will indicate Pxx x NOTE If a key is not depressed within 60 seconds a time out will occur and the display will revert to the fluid tempera ture Press SET and the number will start flashing Use the arrow keys to change the value Press ENTER to accept the new value Press NEXT to display the parameter Ix xx Press SET and the number will start flashing Use the arrow keys to change the value Press ENTER to accept the new value Press NEXT to display the D parameter Dx xx Press SET and the number will start flashing Use the arrow keys to change the value Press ENTER to accept the new value Press NEXT to display unit Press SET and the currently selected temperature scale lamp flashes Use either arrow key to change the scale Press ENTER to accept the new scale Press NEXT to display the temperature aiff Calibration Loop Use the calibration loop to recalibrate the unit s temperature display The wider the temperature spread used the more accurate the calibration NOTE Changing the factory set calibration will affect the accuracy of the controller A time out is not used in this loop To enter the calibration loop from the main display press and hold the up arrow key while pressing ENTER NEXT ENTER The display will indicate Lo low calibration temperature SET key Press SET and the low calibration temperature will flash indicating it can b
20. oftware loops and settings is used to change the current numeric value from positive to negative or negativeto positive SETUP is used to enter the controller s setup loop PROG is used to enter the controller s program loop ESC is used to backtrack to the previous screen within a software loop The up and down arrow keys are used to change a numeric value 1 9 keys are used to enter a number 16 Changing Setpoint To view or change the setpoint press SET ENTER The current setpoint will flash If the number to be entered is negative press the key Otherwise enter the most significant digit of the number The digit will appear in the least significant decimal position As each digit is entered the previously entered digits will shift up in significance Enter trailing zeros as needed to obtain the desired order of magnitude Press SET ENTER to accept the new setpoint NOTE If you do not press SET ENTER a time out will occur 30 seconds after the last key is pressed and the old setpoint will be used Program Loop NOTE The program loop is not accessible if the RS 232 communications is enabled see Setup Loop The program loop is used to program the controller TEHO uec ires j The controller can store up to two programs each with as many as ten steps Refer to the Setup Loop on the Ww RUN PROGRAM A E 2 next page for other options sample 3i 5 S program is
21. on the rear of the unit to identify the specific electrical requirements of your unit Ensure the voltage of the power source meets the specified voltage 10 Electrical Service Required All units Voltage Frequency Phase BranchCircuit Line Cord Requirements Plug 115VAC 60 Hz 1 15A N5 15P 230 VAC 50 Hz 1 10A CEE7 Plumbing Requirements A Ensure the unit is off before connecting tubing to the unit To prevent damage to the plumbing lines always support the 3 fittings while installing removing the pumping caps and lines Hose Connections The pump connections are located at the rear of the pump box and are labelled pump outlet and m pump inlet The connections are capped with stainless steel serrated plugs The pump lines have 4 inch male pipe threads for mating with standard plumbing fittings For your convenience two stainless steel adapters 14 inch female pipe thread to s inch O D serrated fitting are provided To assure proper fit they should be installed using Teflon tape around the threads Flexible tubing if used should be of heavy wall or reinforced construction Make sure all tubing connections are securely clamped Avoid running tubing near radiators hot water pipes etc If substantial lengths of tubing are necessary insulation may be required to prevent loss of cooling capacity It is important to keep the distance between the unit and the external system as short as possi
22. p CALIBRATE MASTER DISPLAY cauen Run the temperature to a suitable low end value Once stabilized enter the calibration loop From i gt i x the main display press and hold NEXT while CAL INTERNAL RTD E o 0 pressing ESC ENTER ESC The display will M4 lt sv 9 indicatecALIBRATE z Zs gt A Press YES or NEXT and the display indicates CAL INTERNAL RTD Press YES or NEXT and the display indicates CALIBRATE LOW I i oA TEMP Press NEXT and the display indicates INTERNAL LOW TEMP CALIBRATE LOW TEMP gt M 4 i xxx xxC Press SET and use the keypad to change the displayed INTERNAL value to the actual fluid temperature as measured with a calibrated LOW TEMP xxx xxC reference thermometer Press NEXT until the display indicates CAL I i T EXTERNAL RTD Use the same procedure to calibrate the external probe if desired Press NEXT until the display indicates SAVE CALIBRATIONPRESS YES ORNO Press YES to savethe changes The display will momentarily indicate BOTHHIGH AND LOW CAL MUST BE l DONE then return to the main display INTERNAL HIGH TEMP xxx xxC Run the temperature to a suitable high end value Once stabilized reenter the calibration loop Repeat the same procedure for the high temperature calibration Press NEXT and the display will i i i i i i i i i i i i i i i i
23. polystat Heating Circulators User s Manual Manual P N U00973 Rev 02 14 08 PolyStat Heating Circulator Instruction and Operation Manual Preface Compliance 3 Unpacking eiecit ete eet cent tias 3 LUE DUE Tt 3 Safety VEDO A 4 General Information Description nnns 5 Sp 6cIfICatlOns 2 e ness etg aa 5 Installation ct 6 Electrical Requirements 6 Plumbing Requirements 7 tei etit edicta 8 Filling Requirements eeseeeeses 8 Operation Controllers 9 SAM 9 Digital Controller Maim Display ttt eet 10 Key Button Definition 10 Viewing Setpoint 10 Changing Setpoint 10 SetupiEoop 11 Calibration LOOP 12 Advanced Digital Controller Main 13 Key Button Definition 13 Viewing 13 Changing Setpoint asioista 13 Setup bt fecu yer denies 14 Calibration Loop 15 Programmable Controller Additional Features Maintenance amp Troubleshooting Displays ote ici eit eet es 16 Key Button Definition 16 Changing Setpoint
24. ratures are specified using water as a test fluid The low end limits will be valid in an ambient of 20 C at nominal line voltage Stability is measured in the center of the work area with the work area cover installed Stability is measured at circulator fluid temperature of 60 C ambient of 20 C no external heat load all voltages frequencies etc with water as the fluid water as the fluid 5 H28L shipping weight includes 23 pound skid Pumping capacity for units operating at fluid temperature of 20 C ambient of 21 C with Site A Electrical Reguirements A A Installation Never place the unit in a location where excessive heat moisture or corrosive materials are present Locate the unit on a sturdy table or bench top Ambient Temperature Range 50 F to 89 6 F 10 C to 32 C Relative Humidity Range 10 to 80 non condensing Operating Altitiude Sea Level to 2000 meters 6562 feet Overvoltage Category Pollution Degree 2 Line voltage may be easily accessible inside the pump control box Always unplug the unit prior to removing the pump control box cover The unit construction provides protection against the risk of electric shock by grounding appropriate metal parts The protection may not function unless the power cord is connected to a properly grounded outlet It is the user s responsibility to assure a proper ground connec tion is provided Refer to the serial number label
25. shown on page 21 ev z o S ee To enter the program loop press RUN PROGRAM B i M loc e uM A M hold PROG for three seconds The display will indicate RUN PROGRAM A NOTE A time out will occur 60 seconds after the last key is pressed and the program will revert to old siel EDIT PROGRAM A values and the display will revert to the fluid temperature The unit s are not shipped with stored programs Before a program can be run it has to be edited and stored Therefore for initial programming or program editing press NEXT to display RUNPROGRAMB and then press A SET XXX XXC NEXT again to display EDIT PROGRAM A STEPn TIME hhh mmm Press YES or NEXT to display the temperature step number and time duration Steps start at 0 Press SET ENTER and using the keypad enter A REPETITIONS nnn the setpoint temperature Press SET ENTER Press SET ENTER and FINAL SETET eee enter the number of hours Press SET ENTER Press SET ENTER and enter the number of minutes Press SET ENTER The display will increment to step 1 Repeat the procedure for the total gt EDIT PROGRAM B number of desired steps To skip a number press SET ENTER twice To end a program with fewer than ten steps enter 0 hours and 0 minutes i 1 i I Press NEXT
26. t the coil will leak refrigerant into the water reservoir For example tap water in the U S averages 171 ppm of NaCl The recom mended level for use in a water system is between 0 5 to 5 0 ppm of NaCl Recommendation Initially fill the tank with distilled deionized water Do not use untreated tap water as the total ionized solids level may be too high Maintain this water quality at a resistivity of between 1 to 10 MOhmcm com pensated to 25 C by using a purification system Although the initial fill may be as high as 18 MOhmcm compensated to 25 C the desired level for long time usage is 1 to 3 MOhmcm compensated to 25 C The above two recommendations will reduce the electrolytic potential of the water and prevent orreduce the galvanic corrosion observed
27. tment dial in back of the pump box Turn the dial fully clockwise Start the unit Adjust the setpoint for a few degrees higher than the highest desired fluid temperature and allow the circulator to stabilize at the temperature setpoint Turn the HIGH TEMP LOW LEVEL SAFETY dial counterclockwise until you hear a click and the unit shuts down The red FAULT LED on the temperature controller will light to indicate a fault has occurred Cool the circulator and then without moving the adjustment dial turn the unit off then back on Bp s 24 Maintenance amp Troubleshooting Cleaning A A A Algae Checklist PID Values Turn the unit off before cleaning Allow sufficient for the fluid to cool to room temperature before han dling Routine cleaning can be achieved by simply sponging down the seamless stainless steel tank with a mild soapy solution Do not use steel wool its abrasiveness will lead to rusting Dry the circulator using a soft cloth To restrict the growth of algae in the circulator we recommend the circulator cover be kept in place and that all circulation lines be opaque This will elimi nate the entrance of light required for the growth of most common algae We recommend the use of Chloramine T 1 gram per 3 5 liters Unit will not start Make sure the voltage of the power source meets the specified voltage 10 Refer to the serial number label on the rear of the unit to identify the spe
28. to display the number of program repetitions Press SET SET ODE ENTER and enter the number of reps Press SET ENTER Press SET STERA TIME ARN rem tm ENTER and enter the final setpoint for the program Press SET ENTER Press NEXT to display EDIT PROGRAM B Use the same procedures B REPETITIONS nnn Press NEXT to display SAVE PROGRAMS Press YES to save or NO to FINAL SETPT xxx xxC ignore The unit returns to the main display With program s saved whenthe display reads RUN PROGRAM pressing YES will start the program pressing NO will stop it With either choice the unit returns to the main display Setup Loop NOTE The setup loop is not accessible if a program is running If RS 232 commu nications is enabled only the RS 232 portion of the setup loop is active The setup loop is used to change the display resolution change the tempera ture scale change temperature limits adjust the PID control preset PID values are P 1 2 I 0 20 D 0 05 selects SETUPLOOP mM MAIN DISPLAY IH or ESI probe enter the maximum internal and external tempera v i EFRIGERATIONOFF HEN SETPOINT gt xxC MEE v i RESOLUTION 0 01 PRESS TO CHANGE U K1 C K2 K3 Knzxxx x CONSTRAINTS ENTER PID NEXT key MAX COOLING DISABLED PRESS CHANGE A SAVESETUP PRESSYESORNO TRE AINI DISPLAY desired value ture difference and
29. xxC Press SET to be able to use the arrow keys to change the high temperature limit Press ENTER to accept the new value Press SET again to be able to change the low temperature limit Press ENTER to accept the new value NOTE To bypass changing the high temperature value press SET twice when HIGH T LIMIT xxx xxC LOW T LIMIT xxx xxC is initially display Press NEXT to display ENTER PID CONSTANTS Press NO to bypass changing the constants and display SAVE SETUP Press YES or NEXT to display PROPOR TIONAL TERM P xx x OF SPAN Press SET and then use the arrow keys to change the value Press NEXT to display INTEGRAL TERMI REPEATS MIN Press SET and then use the arrow keys to change the value Press NEXT to display DERIVATIVE TERM D x xx MINUTES Press SET andthen use the arrow keys to change the value Press NEXT to display MAX COOLING DISABLED PRESS NOTO CHANGE Ignore this display Press NEXT to display RS2321S DISABLED PRESS NO TO CHANGE Press NO to toggle between disabled and enabled or press ENTER to use the displayed mode Press NEXT to display SAVE SETUP PRESS YES NO Press YES to accept all the changes Press NO to ignore all of them With either choice the unit will return to the Main Display MAIN DISPLAY 14 Calibration Loop CALIBRATE RTD CALIBRATE LOW TEMP CAL RTD LOW TEMP xxx xxC CALIBRATE HIGH TEMP CAL RTD NOTE The Calibration Loop is not accessible if RS232 communicat
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