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CS100

 Control System

Operation & Maintenance Instructions

  

CAUTION - SAFETY FIRST!

•  REVIEW AND UNDERSTAND ALL SAFETY PROCEDURES IN THE “HANDLE WITH CARE” 

BOOKLET (P/N 367334) BEFORE ATTEMPTING TO INSTALL, OPERATE OR PERFORM 
MAINTENANCE ON THIS LN

2

 CONTROLLER. 

•  DO NOT ATTEMPT TO USE OR MAINTAIN ANY LIQUID NITROGEN FREEZER UNTIL YOU 

READ AND UNDERSTAND THESE INSTRUCTIONS.

•  DO NOT PERMIT UNTRAINED PERSONS TO USE OR MAINTAIN THIS UNIT. 
•  IF YOU DO NOT FULLY UNDERSTAND THESE INSTRUCTIONS, CONTACT YOUR 

SUPPLIER FOR FURTHER INFORMATION.

•  BEFORE ATTEMPTING TO OPERATE THIS CONTROLLER WITH ANY WORTHINGTON 

INDUSTRIES K SERIES UNITS, YOU MUST READ THE SEPARATE OPERATING AND 
SAFETY MANUAL PROVIDED WITH THAT WORTHINGTON INDUSTRIES UNIT.

K Series Cryostorage Systems

This manual covers the use and maintenance for the 

CS100

 installed on the 

K SERIES Cryogenic 

Storage System.

 Please read all documentation before using this equipment and all personnel 

who use this equipment should be trained. In addition, all service and maintenance on this equipment 

should be performed by an authorized distributor, service company or technician. 
Failure to follow instructions in this manual may result in damage to equipment, poor or unexpected 

performance or injury to personnel operating the equipment. 
Material in this manual is for information purposes only. The contents and the product it describes are 

subject to change without notice. Worthington Industries makes no representations or warranties with 

respect to this manual. In no event shall Worthington Industries be held liable for any damages, direct 

or incidental arising out of or related to the use of this manual. 

Summary of Contents for CS100

Page 1: ...ries Cryostorage Systems This manual covers the use and maintenance for the CS100 installed on the K SERIES Cryogenic Storage System Please read all documentation before using this equipment and all personnel who use this equipment should be trained In addition all service and maintenance on this equipment should be performed by an authorized distributor service company or technician Failure to fo...

Page 2: ......

Page 3: ...l Fill 9 Operating Environment 10 CS100 Components 10 General Equipment Description 10 Features 11 LN2 Level Measurement and Control 11 Temperature Monitoring 12 Harness Assembly 12 Alarm Conditions 12 Solenoid Valve 13 Thermocouples 13 Power Supply 14 Remote Alarm 14 Operating Parameters 14 Temperature Monitoring 14 Liquid Phase Storage 14 Introduction 15 Normal Fill Cycle 15 Control Setting Adju...

Page 4: ...m 26 REPLACEMENT PARTS 27 Controller Assembly Parts 27 Plumbing Controller Assembly Parts 28 TROUBLESHOOTING 29 FREEZER SERVICE AND MAINTENANCE HISTORY LOG 29 Appendix 30 Certifications Listings 30 EN Compliance Tables 30 EC Declaration of Conformity 34 Warranty 35 Labels 35 TABLE of Contents ...

Page 5: ... death Liquid Nitrogen System The liquid nitrogen supply pressure at the inlet to the freezer should be in the range of 10 psig 0 7 bar 69 kPa to 20 psig 1 4 bar 138 kPa for optimum performance Higher operating pressures will increase transfer losses and create excessive turbulence of the liquid in the freezer which can generate false signals to the liquid level controller causing the freezer to u...

Page 6: ... SERIES Control System can monitor and control the liquid nitrogen level range in the cryostorage unit you have selected CS100 SERIES Control Systems are designed to work with Worthington Industries Cryostorage Systems The features are designed to provide a safe environment for samples while at the same time tracking all relevant information associated with the freezer This control provides a comp...

Page 7: ...amage to the system during transit be sure to file proper claims promptly Please advise Worthington Industries of such filings In case of parts or accessory shortages advise Worthington Industries immediately Worthington Industries cannot be responsible for any missing parts unless notified within 10 days of shipment Freight Damage Procedures Any freight damage claims are your responsibility Cryos...

Page 8: ...ain life for those working with or maintaining this equipment Electrical The liquid level controllers used with these freezers operate at 12 VDC The external power supply has a 120 VAC 50 60 Hz primary Disconnect the electrical power cord from the wall outlet before attempting any service Electromagnetic Compatibility EMC Although this equipment conforms to the intent of the 2004 108 EC EMC Direct...

Page 9: ...n plug the power supply into a surge protected wall outlet Validation Some organizations require that equipment be validated periodically If information is needed on the proper techniques to validate this equipment please contact your supplier These instructions are for operators experienced with cryogenic equipment Before operating the system become familiar with the safety precautions in this ma...

Page 10: ... the wall socket CS100 Components The CS100 for the K SERIES Cryostorage system consists of the following components Main Control and Display Harness Assembly Power Supply Thermocouple Assembly Sensor Assembly Cryogenic Solenoid Valve Remote Alarm Plug The CS100 is assembled onto the freezer at the factory and completely tested Start operation of the control system by plugging the power cord into ...

Page 11: ... detect this resistance change and determine the level of the LN2 within the freezer The CS100 uses 4 thermistors to maintain the level These thermistors correspond to Low Low Alarm Normal Start Fill Normal Stop Fill and High High Alarm When the LN2 level drops below the Start Fill thermistor the control opens a solenoid valve allowing LN2 to enter the vessel This continues until the Stop Fill the...

Page 12: ...riggered Harness Assembly Please see Appendix B for instructions on calibrating the temperature Alarm Conditions The CS100 monitors a number of conditions and provides an alarm if a problem is detected The alarms are listed below Low Level Alarm LN2 level is too low Thermistor 1 on the sensor assembly is not submerged in LN2 High Level Alarm LN2 level is too high Thermistor 4 on the sensor assembl...

Page 13: ... Retrigger The audible alarm is retriggered if the error condition that caused it is not corrected The retrigger time can be adjusted by the user Remote Alarm Delay The control provides a relay to provide an external signal that an alarm condition has occurred The user can set the remote alarm timer that determines the amount of time an error must be active before the relay is triggered All alarms...

Page 14: ...duct stored in the freezer the type size and material of the inventory control system and the liquid level in the unit The liquid level in the freezer is determined by the position of the Thermistor Assembly in the sensor tube These sensors are set at installation to maintain a specific liquid level A filling cycle is initiated when the level falls below the Start Fill sensor and is completed when...

Page 15: ...wable liquid level and stop automatically You may choose to manually stop the fill by pressing the STOP button at anytime during the fill Operation Data The CS100 stores data related to the operation of the Cryostorage freezer This data includes date time LN2 level temperature system events and error conditions This data can be useful for audit purposes operation analysis and preventive maintenanc...

Page 16: ...ent decrement a value one step at a time Pressing and holding a button will allow for rapid change of a setting The control will continue to monitor all sensors and conditions while the user accesses the menu system If no activity is detected for 30 seconds the control will automatically revert back to the main operational screen Thermocouple Enable The temperature sensor thermocouple can be turne...

Page 17: ...ermines the length of time after the control detects a warm temperature before it goes into alarm This is accessed through the menu system and values can range from 0 to 60 minutes Audible Alarm Retrigger The Audible Alarm Retrigger setting determines the length of time before the audible alarm reoccurs after it has been muted This only occurs if the error condition has not been corrected This is ...

Page 18: ...amples or product stored in the freezer Validation Some organizations require that equipment be validated periodically If information is needed on the proper techniques to validate this equipment please contact your supplier Menu System MENU 1 Thermocouple Enable On Off 2 Set Date Time Hr Min Mon Day Yr 3 Low Supply Alarm 30 120 4 High Temp Alarm 0 to 196 5 Temp Alarm Delay 0 60 6 Audible Alarm Re...

Page 19: ...he following components Main Control Display Power Supply Harness Assembly Thermocouple Assembly Sensor Assembly Cryogenic Solenoid Valve Remote Alarm Plug Connect the wiring harness assembly to the main control display The connector is keyed and can only be plugged in one way ...

Page 20: ...n one way Finally connect the barrel plug of the power supply into the receptacle on the back of the controller panel Alarms and Error Conditions The CS100 SERIES Control System control monitors many different conditions in the freezer and has a full complement of alarms associated with these different conditions As alarms occur they trigger an audible tone A remote alarm relay is also triggered f...

Page 21: ...s alarm is activated if either thermocouple experiences an open circuit Your choices are ENABLE or DISABLE Logging On board memory logging is one of the most powerful and useful features of the CS100 SERIES Control System It provides a historical record for the freezer and a complete record of the environment in which specimens are stored 1 System Log System logs are events that occur in the syste...

Page 22: ...even if this falls outside of the normal maintenance schedule Removing Installing the Controller on 10K 24K Units Remove the cabinet top follow the steps illustrated on page 23 Remove two 2 screws from the controller and lift it from the refrigerator far enough to detach its electrical connection wiring Remove four 4 screws from the top of the refrigerator and lift the cabinet top to gain access t...

Page 23: ...ctory If adjustments need to be made the following procedure will simplify the process This can be done as follows Push the sensor down the sensor tube until it touches the bottom of the refrigerator Mark the sensor wire where it emerges from the top of the sensor tube Using the marked wire as a reference pull the sensor up the same distance as the offset setting The sensor assembly is now in the ...

Page 24: ...ance The CS100 has incorporated state of the art diagnostic tools to assist in the identification and correction of any issues that may arise Product Information Specifications Control Type LN2 Level Control Level Measurement Sensor Type 4 Thermistor Fixed Range Low Normal High Redundancy Multiple discrete points Temperature Measurement Sensor Type Type T Thermocouple Accuracy 1o or 1 5 of reading...

Page 25: ...h Temperature Alarm Programmable Thermocouple Open Alarm Always enabled Remote Alarm Always enabled Power Failure Remote only Always enabled Low Supply Alarm Programmable Audible Alarm Always enabled Audible Alarm Re trigger Programmable Visual Alarm Indicator Always enabled Buttons Fill up arrow Open Valve Menu up Stop Fill down arrow Close Valve Menu down Menu Enter Access Menu Save setting Mute...

Page 26: ...tion Block Diagram CAN Communications Power Supply 12 Volt DC Level Sensor Assembly Thermocouple Assembly Temperature Solenoid Valve Remote Alarm Dry contact realy Lid Switch Control Display Harness Assembly 40 pin connector Thermocouple connector ...

Page 27: ... No Description 1 R10K 8C69 PLUMBING ASSEMBLY CS100 CONTROLLER 2 367909 HARNESS VLV FRZGUARD 36 LG 3 367823 TRANSFORMER 12 VDC NO PLUG 4 367824 TRANSFORMER COVER LABS CS 5 376044 JUNCTION BOX CS200 6 367911 HARNESS ASSY 10K CS 74 CABLE 7 375892 4 THERMISTOR SENSOR ASSY 8 366891 THERMOCOUPLE ASSY 9 367859 PLUG FOR SENSOR TUBE 10 372606 CONTROLLER CS100 11 367795 LID SWITCH ASSY CS200 CTRL 12 367796...

Page 28: ...ET BRS 4 367174 CONN MALE 3 8 ODTX1 4 NPTM 5 366889 TUBE U SHAPED FILL CONN 6 367170 UNION 3 8 ODT X 3 8 ODT SS 7 367246 LOCKWASHER 10 18 8 SS 8 367723 SCREW HEX HEAD 10 32 X 50 LG 9 367265 TEE STREET 1 4 NPT BRS 10 367259 ELL 1 4 MNPTX 3 8 FNPT RED ST 11 367264 ELL 3 8 ODT X 1 4 NPT EXT 12 367176 CONN FEM 3 8 ODTX 1 4 FPT 13 367276 VALVE RELIEF 100PSIG 1 4 MNPT 1 3 6 4 8 7 10 9 11 5 12 13 ...

Page 29: ... Lid______ Open______ Closed Lid______Open______ Closed Filling______ Yes______ No Filling______ Yes_____ No Temperature___________________________________ Temperature______________________________________ LN2 Supply_______________ ltr______________ psi Supply Alarm_______On________ Off Note Ice Build up______a little______a lot Remote Alarm_______ On________Off Note Gasket condition______ Seals__...

Page 30: ...Radiated Conducted Group 1 The CE CONTROL SYSTEM uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF Emissions CISPR 11 Radiated Conducted Class A The CE CONTROL SYSTEM is suitable for use in all commercial establishments other than domestic and many be used in domestic establishments a...

Page 31: ...ode line line 2kV common mode line earth 1kV differential mode line line 2kV common mode line earth Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines EN IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT ...

Page 32: ...n meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site surveyA should be less than the compliance level in each frequency rangeB Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80MHz and 800MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation ...

Page 33: ...utput power of transmitter in watts W Separation distance according to frequency of transmitter in meters m 150kHz to 80MHz d 1 2 P 80MHz to 800MHz d 1 2 P 800MHz to 2 5GHz d 2 3 P 0 01 12 12 23 0 1 38 38 73 1 0 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equat...

Page 34: ...dical Device Directive 2004 108 EC EMC Directive 2006 95 EC Low Voltage Directive and that the Standards and or technical specifications referenced below have been applied IEC 61010 1 2001 Second Edition Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements IEC 60601 1 2 2007 Edition 3 Medical Electrical Equipment General Requirements f...

Page 35: ...se or misuse of this product corrosion fire or the effects of normal wear The remedies set forth herein are exclusive Worthington Industries shall not be liable for any indirect or consequential damages including without limitation damages relating to lost profits or loss of products resulting from the delivery use or failure of the product or for any other cause By accepting delivery of the produ...

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