SP Scientific ULTRA-COOL, Operator'S Manual

Page 1: ...RECIRCULATING CHILLER OPERATOR S MANUAL ULTRA COOL WITH MPC CONTROL...

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Page 3: ...or s Manual by any means and in any form or manner is expressly prohibited except with the prior written permission of SP Scientific Permitted copies of this document must retain all proprietary notic...

Page 4: ...ENDATIONS STREAMLINE UNIT OPERATION AND PREVENT COMMON OPERATOR ERRORS WEAR SAFETY GLASSES EXPLOSIVE MATERIALS HAZARD KEEP OBJECTS AWAY FROM HEAT Safety Warnings Always transport the unit with care Su...

Page 5: ...t or repair of parts pursuant to this warranty shall not in any way extend the original warranty period The Company shall not be responsible for any unauthorized repairs replacements or product modifi...

Page 6: ...iv Rev 008 01 12 SP Scientific 2012...

Page 7: ...Selecting a Process Fluid 5 Deionized Water Compatible Systems 5 General Properties of a Process Fluid 6 External Connections 7 RS 232 Remote 7 37 pin Remote I O 7 Remote Temperature Sensor 7 Remote...

Page 8: ...ntenance 27 Fluid System 27 Checking Fluid Level 27 Adding Fluid 28 Draining Fluid 28 Fuses 29 Preventative Maintenance 29 Air Cooled Refrigeration Condenser 29 Cleaning 29 RS 232 Programmer s Referen...

Page 9: ...basis with minimal interruption for maintenance and service The unit cabinet contains the refrigeration system a pump to recirculate the cooling fluid low voltage system control circuit boards and hig...

Page 10: ...Introduction Ultra Cool 2 Rev 008 01 12 SP Scientific 2012...

Page 11: ...is discovered contact the freight carrier immediately 1 Keep all contents packing material and related paperwork intact until a written report is obtained Note SP Scientific will cooperate in the mat...

Page 12: ...modate the expected displacement of the equipment and surrounding structure in the event of incidents such as earthquakes The chiller is equipped with four lockable casters For additional stability br...

Page 13: ...u select a different one be sure that it has a viscosity of less than 20 centistokes over the full temperature range of the unit Note All of the above mentioned fluids have viscosity of less than 20 c...

Page 14: ...ed from the fluid This release of gas should not be mistaken for boiling of the fluid Water Solubility Process fluids are water soluble After long periods of operation at low temperatures water will m...

Page 15: ...S 232 cable should be shielded with ferrites 37 pin Remote I O To comply with Semi S2 requirements the 37 pin cable must be shielded Remote Temperature Sensor An external 100 ohm RTD sensor is provide...

Page 16: ...in frequency 3Hz and voltage 5 10 are allowed Verify that the facilities voltage matches the requirement for the machine The electric service wiring must be of a large enough wire gauge that the volta...

Page 17: ...e back of the machine 3 The white MAINS light should illuminate 4 Pull out the red PUSH TO STOP button 5 One bar will be displayed on the LED indicating the reservoir is empty 6 LED Fluid Level Alarm...

Page 18: ...ED indicates _ _ press the square STOP button 11 Add fluid until is full 12 Restart the pump by pressing the green START button 13 Continue this process until the entire fluid loop is primed and the r...

Page 19: ...r this level of control are factory preset based on average user requirements Depending on your application it may be necessary to fine tune these parameters Information on how to do this is provided...

Page 20: ...REFR button to start the compressor 15 Note If the LED s indicate that the pump and refrigeration switches are ON the microprocessor will sequence the pump and compressor The green indicator light to...

Page 21: ...ops EMO Activates deactivates a 24VAC control relay that is used to apply line AC to the system DC power supplies When the 24VDC power supply is shut off by removal of line power all slave relays in t...

Page 22: ...delay observable on the pump operation also applies to the refrigeration toggle This prevents the compressor from cycling too rapidly and also ensures that the pump is actually running and the fluid...

Page 23: ...g the system For instance if the HA high alarm parameter is set to 15 C and the process temperature is ambient 25 C the unit will persist in a high alarm Should the user desire to change the programme...

Page 24: ...to an electrical failure in the pump circuit the LED will flash and the toggle will automatically be cleared REFR next to the REFR switch Green This twin LED will light if the compressor is engaged S...

Page 25: ...t integer format i e no decimal places displayed by the DP function see Etc menu If the system is IDLE the display will show the Reservoir Level Fluid Level Indication Symbols _ _ _ _ Reservoir is Ful...

Page 26: ...System Control Ultra Cool 18 Rev 008 01 12 SP Scientific 2012...

Page 27: ...menu Control Parameters Menu System Parameters PLOC LrLO BAud SbIt PAr DAtA rEFL Ptd rdY rdYt dP noIS dEg PF ASP HA LA FLu SH SL dIO rrtd rr db HPb CPb It dt CCt rIT Overview of Modifying Parameters...

Page 28: ...alculated only if the SP has changed Thus if any of HPB CPB or db is reprogrammed the change will not take effect until the SP is changed Ramp Rate action is calculated upon entry of a new SP and will...

Page 29: ...This forces a display of the chiller temperature regardless of the control point This can be useful if the temperature differential is high if an alarm is activated and so forth Ready Temperature Band...

Page 30: ...rm nOIS 1 The audible alarm is a piezoelectric device and has three modes of operation Display Alarm Applications 0 1 2 Off 5 second chirp Alarm Continuous Sounding Hospital Normal Operation Industria...

Page 31: ...ect level Low Alarm LA 45 Same as HA except the system will unconditionally release the cool valve and display LA Operating Fluid FLUI 10 To protect the system against potential freeze up or fluid boi...

Page 32: ...ration Deadband db 0 0 Temperature separation between Cool operation proportioning band and Heat operation proportioning band in degrees Negative value indicates overlap in the heat and cool bands Hea...

Page 33: ...is the only control parameter whose function is altered by selection of the remote RTD Power proportioning levels and derivative actions are still determined by the internal sensor therefore there ar...

Page 34: ...System Control Ultra Cool 26 Rev 008 01 12 SP Scientific 2012...

Page 35: ...ton 1 Press the UP or DOWN arrow until the EtC menu is displayed 2 Press ENTER until rEFL is displayed 3 Press the UP arrow until 1 is displayed 4 Press ENTER then ESC 5 Fluid Level Indication Symbols...

Page 36: ...NTER until rEFL is displayed 3 Press the UP arrow until 2 is displayed 4 Press ENTER then ESC 5 An audible signal will sound when the fluid level reaches the full level This function resets itself and...

Page 37: ...red the performance becomes limited This dust must be vacuumed off The condensers in this unit are located on the front three sides of the system Remove the side grills first then remove the front gri...

Page 38: ...Maintenance Ultra Cool 30 Rev 008 01 12 SP Scientific 2012...

Page 39: ...al attempts to communicate be unsuccessful that this program be tried It is as unencumbered as a program may be and will aid in locating the source of difficulty if this program runs successfully then...

Page 40: ...er cable The custom wired cable will be a direct connection between your computer terminal and the Multi Cool However the null modem adapter is inserted between the female jack on the Multi Cool and a...

Page 41: ...arity and stop bits are made to the microcontroller via the control panel of the target application system Communication Data All programmable selectable or switchable functions of the target system a...

Page 42: ...28 characters A listing and description of the available CMD statements appears in a later section Data commands that are grouped on a line must be separated by a single Space ASCII 032 decimal 20 hex...

Page 43: ...ield may not exceed eight an error will result accordingly Leading zeroes or trailing zeroes behind a decimal point may be added without effect up to the character limit Examples SP 20 Adjust Setpoint...

Page 44: ...meter and its value will 3 be returned to the host If multiple value status queries are transmitted in a single statement the multiple replies will be transmitted on multiple lines i e separated by ca...

Page 45: ...or is due to a general error e g LINE TOO LONG the character trace code is 128 Example A Received string START Transmitted string E030 0000128 CR Error 30 Unit Not in Remote Example B Received string...

Page 46: ...able to the parser will result in the error code Not Yet Implemented nyi these have been defined for future expansion or options The command opcode function F number which will be returned by a query...

Page 47: ...l system will proportion the cooling valves Cool Proportioning Band CTLREM CTLREM F011 Set or query the use of the remote sensor for temperature control of the system Value 0 off means control from th...

Page 48: ...obsolete F020 Describes the format of transmitted data Task offloaded to the host processor FSPANH F021 Query the high temperature limit degrees established by the FLUID definition FSPANL F022 Query...

Page 49: ...0 the LOCREM command may be asserted If set to 1 the LOCREM command will result in an error message LOCREM LOCREM F033 Set or query the local remote control status of the system If set to 0 the system...

Page 50: ...ative command that may be used to test or synchronize the communications interface PT F043 Query the current process temperature as defined by the control point CTLREM PTLOC F044 Query the current loc...

Page 51: ...nd to turn the system on subject to positions of PUMPSW and REFRSW and to initiate the system temperature control software Query to determine whether the system is running 0 off 1 on STATUS Not implem...

Page 52: ...Implemented F071 Set or query the elapsed time to automatic wakeup WAKETIME WAKETIME Not Yet Implemented F072 Set or query the automatic wakeup time set via Real Time Clock option WINDOW WINDOW F073...

Page 53: ...re can be due to internal overtemp cutouts trip of a circuit breaker etc MPC Code 5 Stage 2 Refrigeration is not powered See Code 4 MPC Code 6 Pump is not powered May be not powered fuse may be blown...

Page 54: ...ART detects loss of RS 232 line with host This error is only reported if such a break occurs after the receipt of valid data and before receipt of a CR carriage return Line break is otherwise ignored...

Page 55: ...characters E025 Illegal Sign Placement or Excess Decimal Points Polarity indication must be first character Only one decimal point permitted per number E026 Too Many Decimal Places Too many digits su...

Page 56: ...eady stopped has received a STOP command E042 Start Error System already started has received a START command E043 Not a User Function Certain operational commands are defined to the system and reserv...

Page 57: ...send e g SP CR The character string returned by the MPC will be displayed on the user s terminal Users will note that the transmit receive strings appear to be out of synch on the terminal display th...

Page 58: ...RS 232 Programmer s Reference Ultra Cool 50 Rev 008 01 12 SP Scientific 2012...

Page 59: ...ections Breaker at the wall is in the off position Turn breaker on Pump is not primed Prime pump Impeller jammed Verify that motor is getting voltage and that the voltage is correct If the fluid freez...

Page 60: ...system to be cooled and that LIQUID IN is connected to outlet of system to be cooled Heat load is above unit rating Check to see that all lines have adequate insulation and that there are no local sou...

Page 61: ...temperature range Change fluid to a fluid with lower viscosity Ball valve is closed Open ball valve Plumbing lines have become restricted or broken Check plumbing lines and repair as necessary Restri...

Page 62: ...xcessive dirt dust Condenser blocked The finned condenser requires adequate airflow to provide cooling Make sure that the finned surface is 6 away from the wall and not clogged with dust Pump is makin...

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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...