SP Scientific ULTRA-COOL Operator's Manual
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SP Scientific ULTRA-COOL Operator's Manual

Recirculating chiller with mpc control
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ECIRCULATING
HILLER
PERATOR
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ANUAL
U
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LTRA
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MPC C
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ONTROL

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Summary of Contents for SP Scientific ULTRA-COOL

  • Page 1 ’ ECIRCULATING HILLER PERATOR ANUAL LTRA MPC C ONTROL...
  • Page 3 The information in this document is subject to change without prior notice. Always confirm with SP Scientific that you are using the most current version of this document. SP Scientific is free to modify any of its products and services, in any manner and at any time, notwithstanding the information contained in this document.

  • Page 4: Important Symbols

    Never operate equipment with damaged line cords.  Never operate the unit without cooling fluid in the reservoir / bath chamber.  Never remove warning labels.  Never operate damaged or leaking equipment. Rev 008, 01/12 © SP Scientific 2012...

  • Page 5: Warranty Information

    Please take this opportunity to locate the serial tag on your new Ultra-Cool and record the information below for future reference. SP Scientific also recommends that you complete and return your unit’s warranty registration card.
  • Page 6 Rev 008, 01/12 © SP Scientific 2012...

  • Page 7: Table Of Contents

    System Shut Down ............................12 System Control ......................13     Overview ................................13   Manual Control ..............................13   Front Panel Switches ............................ 13   Indicators ............................... 15   Hour Meter ..............................17 Rev 008, 01/12 © SP Scientific 2012...
  • Page 8 Commands and Codes ............................38   Command Set ............................... 38   Alarm Codes ..............................45   RS-232 Error Codes ............................46   Sample Program ..............................49   Program ................................. 49 Appendix A: Troubleshooting ..................51   Rev 008, 01/12 © SP Scientific 2012...

  • Page 9: Introduction

    Introduction Overview The Ultra-Cool is a recirculating chiller: a device that controls the temperature of a process by removing heat using a recirculating fluid. This fluid flows from the cooler to the process and back in a closed loop with the fluid acting as a heat transfer medium.
  • Page 10 Introduction Ultra-Cool Rev 008, 01/12 © SP Scientific 2012...

  • Page 11: Installation And Startup

    Should damage or loss be discovered, you may make a written request for inspection by the carrier's agent within 15 days of the delivery date. You may then file a claim with the freight carrier or SP Scientific, depending on the terms of your shipment.

  • Page 12: Setup And Installation

    75°F to 80°F (24°C to 27°C). unit should be expected. 80°F to 85°F (27°C to 29.5°C) Expect reduced reliability. Warranty may be voided Not Acceptable, warranty will be Voided. Over 85°F (Over 29.5°C) Rev 008, 01/12 © SP Scientific 2012...

  • Page 13: Selecting A Process Fluid

    This cartridge helps inhibit scaling and corrosion within the fluid loop. The cartridge kit can be purchased from SP Scientific at 800-431-8232. To protect your process, SP Scientific strongly recommends use of these cartridges if you are using a SP Scientific Deionized Water Compatible system and deionized water.

  • Page 14: General Properties Of A Process Fluid

    100°C). Low surface tension and high vapor pressure This means that the fluid evaporates very easily and that any improperly sealed joints will leak. Rev 008, 01/12 © SP Scientific 2012...

  • Page 15: External Connections

    Ensure the assembled Remote EMO override CPC connector, labeled RC-1462-A-1, is inserted into the “Remote EMO” receptacle on the rear of the machine. If you do not have the EMO Override CPC connector installed your machine WILL NOT START. Rev 008, 01/12 © SP Scientific 2012...

  • Page 16: Plumbing Connections

    Installation and Startup Ultra-Cool Plumbing Connections SP Scientific provides input and output lines for the Process Fluid. To tie these lines into your process, you will need:  1” Fittings (for 1” OD male pipe thread).  1” ID tubing (minimum).

  • Page 17: Adding The Process Fluid

    Installation and Startup Adding the Process Fluid At this point the Ultra-Cool should be hooked up to the proper electrical service and all plumbing necessary for operation should be in place and sealed. Make sure the drains are closed. These are two black hoses at the rear of the unit.
  • Page 18 Restart the pump by pressing the green START button. Continue this process until the entire fluid loop is primed and the reservoir is full. Replace the reservoir cap. Your unit is now fully installed. Rev 008, 01/12 © SP Scientific 2012...

  • Page 19: Operation

    Chapter Operation Overview The Ultra-Cool Recirculating Chiller has evolved from a line of state of the art, industry proven chillers manufactured by SP Scientific for a quarter century. The MPC (Deluxe Digital Control) proffers multiple capabilities for interfacing with your process.

  • Page 20: Power Up

    Please check with your operations staff prior to using this feature.) On the back of the unit, move the MAINS circuit breaker to the OFF position. Rev 008, 01/12 © SP Scientific 2012...

  • Page 21: System Control

    Reference at the back of this manual. Manual Control The primary method of controlling the Ultra-Cool is through the use of controls and indicators present on the front panel of the chiller. Detailed information on the front panel switches, indicators, and operation is provided below.
  • Page 22 The four-second timeout on SP recall/program executes an automatic ENTER. If in menu selection, the ENTER button means "this menu", and will then automatically index into the first parameter entry within that menu. Use the UP/DOWN to change menu selection. Rev 008, 01/12 © SP Scientific 2012...

  • Page 23: Indicators

    ALMCLR, and will not recur provided that the problem has been corrected by altering the value. Indicators The Ultra-Cool Chiller has four primary methods of reporting status information to the user: three high-visibility incandescent lamps; an audible alarm signal; a number of status LED’s; and a 4 digit, 7 segment display.
  • Page 24 This LED will light or extinguish to indicate the cooling action of the control system.  HEAT (Red) This indicates if heat is being applied to the process fluid (if your Ultra-Cool is equipped with a heater).  LOW FLOW (Red) An alarm condition indicating insufficient fluid flow within the external fluid loop.

  • Page 25: Hour Meter

    The valve can be adjusted to suit your application. For example, if pumping to a glass jacketed vessel rated for no more than 30 PSI, then the bypass valve could be set so the process fluid pressure never exceeds 30 PSI. Rev 008, 01/12 © SP Scientific 2012...
  • Page 26 System Control Ultra-Cool Rev 008, 01/12 © SP Scientific 2012...

  • Page 27: Setting System Parameters

    If you’ve already pressed the START button, pressing ESC will bring up the process temperature reading. If you have not previously pressed START, pressing ESC will take you back to the last menu heading you were navigating. Rev 008, 01/12 © SP Scientific 2012...

  • Page 28: Menu Description

    Baud rate for the RS232 control communications port my be set to any of the four following settings: Display Baud Rate 1200 2400 9600 Stop Bits (Sbit = 1.0) The number of stop bits (1,1.5,2) may be selected. Rev 008, 01/12 © SP Scientific 2012...

  • Page 29: Miscellaneous Menu (Etc)

    "fast" processes which have slewed across a wide span will yield a Ready in a time longer than the constant due to early windup. This is, however, consistent with the probability that the process will overshoot the band. Rev 008, 01/12 © SP Scientific 2012...
  • Page 30 “PF” which will indicate that there was a power failure at some time. The “PF” will be displayed until any switch on the controller is pressed. Temperature Scale (dEg = 0) All temperature entries and readouts may be adjusted according to the following: Display Scale Celsius Fahrenheit Kelvin Rev 008, 01/12 © SP Scientific 2012...

  • Page 31: System Span And Alarms Definitions (Span)

    The user may further protect his/her process against accidental SP entry outside bounds established by SH/SL. SH defines the maximum allowable SP. Span Low / Minimum SP (SL = -40) Same as SH, defining minimum SP. Rev 008, 01/12 © SP Scientific 2012...

  • Page 32: Control Parameters (Pid)

    (and derivative, if any) are always determined only by the internal sensor. Only the external sensor adjusts the reset (integral) function. The remote sensor itself is 2 wire. Within the (telephone) connector SP Scientific provides, however, a connection is made to 4 wire. Therefore, it can be extended without affecting its accuracy.
  • Page 33 "rrtd" to "1" (remote). The system will take a few minutes to stabilize at the new temperature. If the process oscillates set "rIT" equal to one fourth (0.25) times the period of oscillation. The process should stabilize. Rev 008, 01/12 © SP Scientific 2012...
  • Page 34 System Control Ultra-Cool Rev 008, 01/12 © SP Scientific 2012...

  • Page 35: Maintenance

    Critically Low Fluid Level (machine will not run) This will display the fluid level on the LED display for 5 minutes. Note: To clear fluid level display and return to process temperature, press ESC. Rev 008, 01/12 © SP Scientific 2012...

  • Page 36: Adding Fluid

    CAUTION: NEVER DRAIN FLUID FROM THE CHILLER WHEN IT IS AT AN EXTREME TEMPERATURE, AS IT COULD CAUSE INJURY UPON ACCIDENTAL CONTACT. Ultra-Cool chillers come equipped with two drain lines. Under normal operation the plug should be in place with the hose clamp tightened around the tubing and plug. In order to drain the fluid from the chiller’s internal heat exchanger, loosen the hose...

  • Page 37: Fuses

    6 months. Cleaning For ease of cleaning, all SP Scientific chillers are manufactured with external cabinet surfaces consisting primarily of painted steel, with some rubber and plastic parts. Small amounts of appropriate cleaning agents (e.g., Formula 409®, fantastik® or mild soap and water) may be used with a dry rag in order to clean the cabinet surfaces.
  • Page 38 Maintenance Ultra-Cool Rev 008, 01/12 © SP Scientific 2012...

  • Page 39: Rs-232 Programmer's Reference

    The connections used within the interface will be limited to:  Signal Ground  Transmit Data  Receive Data  Request to Send  Clear to Send  Data Terminal Ready  Data Set Ready Rev 008, 01/12 © SP Scientific 2012...
  • Page 40 However, the null modem adapter is inserted between the female jack on the Multi- Cool and a standard connecting RS-232 cable. Null Modem Adapter Standard Connector Cable Female RS-232 Male RS-232 Port Port on Multi-Cool on Computer Rev 008, 01/12 © SP Scientific 2012...

  • Page 41: Communications

    Upper and lower case alphabetic characters will be accepted interchangeably. Data descriptions are identified by direction from the perspective of the system controller:  Received data: from the host system to the MPC/EDC.  Transmitted data: from the MPC/EDC to the host. Rev 008, 01/12 © SP Scientific 2012...

  • Page 42: Received Data

    Absolute Command Basic system functions/commands will consist of a fixed character string. Examples  Wake up system START  Shut down system STOP  Force a response from the system POLL Rev 008, 01/12 © SP Scientific 2012...
  • Page 43 ("?"). The format of the reply is defined below (under "Transmitted Data"). With few exceptions, the query command replicates the mnemonic for the corresponding parametric command, merely substituting the "?" for the "=" in the string. Rev 008, 01/12 © SP Scientific 2012...

  • Page 44: Transmitted Data

    User software should be configured to transmit a message (received data), receive the reply (transmitted data), and verify the integrity of the exchange before proceeding to the next transmission. Rev 008, 01/12 © SP Scientific 2012...

  • Page 45: Transmitted Data Format

    Temperature values will be transmitted to the host in the units ( ., °C, °F, or K scale) selected by the DEGREES= command or via the dEG setting in the control panel “Etc” menu. Rev 008, 01/12 © SP Scientific 2012...

  • Page 46: Terminator

    0=300, 1=1200, 2=2400, 3=9600.  CASC? (Service Use) {F004} Report the existence of a two-stage refrigeration system (0=single compressor, 1=cascade). Rev 008, 01/12 © SP Scientific 2012...
  • Page 47 Restore factory default values to the programmable parameter table.  DEGREES= / DEGREES? {F016} Set or query the temperature scale used on the display and in further RS-232 communications. 0 = Celsius, 1 = Fahrenheit, 2 = Kelvin. Rev 008, 01/12 © SP Scientific 2012...
  • Page 48 Set or query the width, in degrees, of the band about setpoint (SP) over which the system will proportion the power applied to the heater (Heat Proportioning Band).  HYSTLI? (Service Use) {F028} Query the hysteresis, in degrees, applied to activation of the liquid injection valve. Rev 008, 01/12 © SP Scientific 2012...
  • Page 49 Set or query the calibration offset factor applied to the remote [external] temperature sensor.  OSRTD= / OSRTD? {F038} Set or query the calibration offset factor applied to the system [internal] temperature sensor. Rev 008, 01/12 © SP Scientific 2012...
  • Page 50 Query state of refrigeration. Returned 0 = off, 1 = 1st stage on, 2 = 2nd stage on (if cascade system).  REFRHRS? {F078} Query running hours of system refrigeration.  REFRSW= / REFRSW? {F051} Set or query state of refrigeration switch. 0 = off, -1 = on. Rev 008, 01/12 © SP Scientific 2012...
  • Page 51 TIME= / TIME? (Not yet implemented) {F066} Set or query time of day in Real-Time Clock option.  TRIPLI? (Service use) {F067} Query factory-programmed trip temperature of suction line, to determine operation of the liquid injection valve. Rev 008, 01/12 © SP Scientific 2012...
  • Page 52 This value is used to prevent over/undershoot of the setpoint temperature from yielding a premature "ready" result.  ZEROCAL (Not Yet Implemented) Command to restore all calibration constants to the unbiased state (zero offset, unity gain). Rev 008, 01/12 © SP Scientific 2012...

  • Page 53: Alarm Codes

    MPC Code 11 / EDC Code 5: Overtemp. Indicates activation of fail-safe [control-independent] overtemperature safety device.  MPC Code 12: 4-20mA Alarm. Indicates disconnect of 4-20mA current source to remote analog programming input, if such interface is specified. Rev 008, 01/12 © SP Scientific 2012...

  • Page 54: Rs-232 Error Codes

    Requests for information (queries) result in information being buffered faster than it can be transmitted to the host (Baud-Rate dependent). 1KB buffer exceeded.  E011 Parse Buffer Overflow. Too many commands (>32) on a single line. Rev 008, 01/12 © SP Scientific 2012...
  • Page 55 "local" operation.  E031 Not a User Function. Certain program statements are reserved for factory access. Error 31 reports an attempt to program values requiring [factory] security-code access. Rev 008, 01/12 © SP Scientific 2012...
  • Page 56  E044 Local Lockout. Unit is locked in local. Removal of this lock may only be accomplished from the system control panel before changes to system state may be made from the RS-232. Rev 008, 01/12 © SP Scientific 2012...

  • Page 57: Sample Program

    50 PRINT A$; 60 OLINE$=OLINE$+A$ 70 IF A$ <> CHR$(13) THEN GOTO 30 80 PRINT #1,OLINE$; 90 OLINE$="" 100 GOTO 20 110 WHILE NOT EOF(1) 120 B$=INPUT$(LOC(1),#1) 130 PRINT B$; 140 WEND 150 GOTO 30 Rev 008, 01/12 © SP Scientific 2012...
  • Page 58 RS-232 Programmer’s Reference Ultra-Cool Rev 008, 01/12 © SP Scientific 2012...

  • Page 59: Appendix A: Troubleshooting

    Pump motor has burned out. This is very unlikely. If all reasons listed above are not the cause and the pump has voltage to it, the pump motor is no good. Contact factory for a new motor. Rev 008, 01/12 © SP Scientific 2012...
  • Page 60 If this confirms a leak, have the system leak checked, repair leak, and recharge system to proper level. Contact the SP Scientific Service Dept. for assistance in leak checking and charging the system if needed. Ball valve is closed.
  • Page 61 Defective solenoid valve. The controller operating properly, but the solenoid valve is not responding because of a defect. Replace coil. If problem persists, contact the SP Scientific service department. Fluid flow is Viscosity of fluid is too high for Change fluid to a fluid with lower viscosity.
  • Page 62 Overtemp sensor open or not Verify that the heater is NOT getting AC. load for the making good contact. addition of heat. Cooling valve sticking open. Adjust the temperature set point to turn the cool indicator on/off. Rev 008, 01/12 © SP Scientific 2012...
  • Page 64 SP Scientific 815 State Route 208 Gardiner, NY 12525 USA 3538 Main Street Stone Ridge, NY 12484 USA www.SPScientific.com (800) 431-8232 (845) 255-5000...

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