Taylor-Wharton TW-357, Operating And Maintenance Instruction Manual

Page 1: ...FORM TW 10 P N 7950 8052 BEFORE ATTEMPTING TO INSTALL OPERATE OR PERFORM MAINTENANCE ON THIS CRYOSTORAGE SYSTEM DO NOT ATTEMPT TO USE OR MAINTAIN THIS UNIT UNTIL YOU READ AND UNDERSTAND THESE INSTRUC...

Page 2: ...TW 357 REV E 2...

Page 3: ...omponents 12 Operating Parameters 14 Adding an Inventory Control System 15 Control Operation 20 Control On Battery Backup Version 31 Solenoid Valve 31 INTERFACE SOFTWARE 32 MAINTENANCE 33 Strainer Cle...

Page 4: ...lorless odorless and tasteless gas cannot be detected by the human senses and will be inhaled normally as if it were air Without adequate ventilation the expanding nitrogen will displace the normal ai...

Page 5: ...plied with Taylor Wharton approved controllers If other liquid level controllers are used please contact Taylor Wharton before putting the refrigerator into service Freight Damage Precautions Any Frei...

Page 6: ...ndicated in ALL CAPS ITALICS Specific Menu Descriptions under a main category are listed in Italics Taylor Wharton LABS CryoStorage Systems are designed for applications where extremely low temperatur...

Page 7: ...16 5 16 5 16 5 Evaporation Rate1 L day 15 0 9 0 8 Weight Empty lb 1550 920 650 kg 703 417 295 Maximum Gross Weight2 lb 3956 2000 1375 kg 1794 907 624 Inventory Control System Specifications No 5 0 x 5...

Page 8: ...genic solenoid valve Standard Control Type Liquid Level Control or Liquid Level Control with Temperature Control Security User Access via 2 digit password Power On Off Password Menu access Password Al...

Page 9: ...ponsibility of the shipper to assure that the goods are adequately packaged for return to the factory Liquid Nitrogen Supply Connection The package included with the refrigerator includes a strainer T...

Page 10: ...ad screws from the old control located underneath the tabletop 7 Withdraw old controller from underneath table top noting how the controller body has been resting on outer upper head 8 Unplug all conn...

Page 11: ...rogen supply pressure at the inlet to the refrigerator 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 tran...

Page 12: ...per outer head See figure 2 0 below Main Control Figure 2 0 KRYOS Main Control Sensor Assembly A standard 7 1 thermistor assembly includes the Freeze Guard over fill sensor Optional 4 thermistor or 8...

Page 13: ...stem is supplied with a transformer compatible with common household North American 110VAC For other power outlets contact Taylor Wharton Customer Service These wall transformers have UL approval UL a...

Page 14: ...e The thermocouple is normally positioned at the top of the storage rack The factory sensor positions will maintain a liquid level within a distance of 2 in 50 8 mm from the bottom of the operating tr...

Page 15: ...red product Keep ICS inserts drawers or boxes and dividers in good repair Replacement inserts and dividers are available from your Taylor Wharton distributor to keep your system as efficient as possib...

Page 16: ...ACKS ARE NOT SQUARE ORIENTATION IS IMPORTANT LABS 80K LABS 40K 2ml vial storage ask about other Box types Part Number Racks 13 x 2 x 100 R23K 8C35 Racks 13 x 2 x 25 R10K 9C44 BOXES 100 N 374187 92 Cas...

Page 17: ...ge in Cassette LABS 20K LABS 80K LABS 40K Fenwal 4R9951 Blood Bags ask about other Bag types PART NUMBER CAPACITY FRAMES CASSETTES LABS 80K 2100 300 2100 LABS 40K 1204 172 1204 LABS 20K 560 80 560 Fig...

Page 18: ...age in Cassette LABS 20K LABS 80K LABS 40K Fenwal 4R9953 Blood Bags ask about other Bag types PART NUMBER CAPACITY FRAMES CASSETTES LABS 80K 1505 301 1505 LABS 40K 820 164 820 LABS 20K 400 80 400 Figu...

Page 19: ...n Cassette LABS 20K LABS 80K LABS 40K Fenwal 4R5462 9955 Blood Bags ask about other Bag types PART NUMBER CAPACITY FRAMES CASSETTES LABS 80K 1050 210 1050 LABS 40K 590 118 590 LABS 20K 290 58 290 Figu...

Page 20: ...P button at anytime during the fill Normal Fill Cycle When the refrigerator is filled and the controller is operating the LOW LEVEL and LOW ALARM sensors are immersed in liquid nitrogen Their resistan...

Page 21: ...ing the appropriate number of your menu choice If more menu choices are available than will fit on 1 screen more than 4 choices in this menu section the left hand soft key button will give the More ch...

Page 22: ...gh Temperature Alarm Logging 1 4 2 6 High Temperature Alarm Logging 2 4 3 System Logs 4 3 1 Fill Logging 4 3 2 Lid Action Logging 4 3 3 User Access Logs 4 4 Temperature Logs 4 4 1 Thermocouple 1 Log R...

Page 23: ...enu system MENU 1 3 This check will tell if the thermocouples are working or if they are open broken or unplugged If a thermocouple is not connected to the control it will check as open If a thermocou...

Page 24: ...ur they cause an audible beep as well as a flashing red light A remote alarm relay is also triggered following a user designated period of time after the error condition occurs if it is not corrected...

Page 25: ...stem MENU 3 3 5 This alarm is activated if either thermocouple experiences an open circuit The possible choices are ENABLE or DISABLE Test Alarms The audible visual and remote alarms can be tested at...

Page 26: ...logs out the serial port of the freezer When this option is chosen the display reports how many system logs are stored While the data is being sent to the serial port it can be paused or completely c...

Page 27: ...the menu system of the control MENU 4 3 3 This menu choice turns on off the logging of user access codes which are requested when the lid is opened Records data in the system log Temperature Logs Temp...

Page 28: ...itch If the lid switch is deactivated this feature will be disabled The choices for auto defog time are disabled through 90 seconds Quick Chill The QUICK CHILL MENU 6 2 2 4 feature provides a burst of...

Page 29: ...a printer or a modem System logs error logs or temperature logs are always available for download In addition to downloading data the control can accept commands through the serial port Control setti...

Page 30: ...se Valve Monitoring If KRYOS detects that a flow of LN2 is occurring even when the solenoid valve is supposedly closed an error message will appear on the screen indicating Valve Stuck Open To confirm...

Page 31: ...on Cable None Connects battery to control board Software V4 0 V4 0 Control Board 1 Black 2 pin solenoid valve plug Red 2 pin solenoid valve plug Red 3 pin battery plug 1 The control board for the batt...

Page 32: ...el of the Kryos Even though the control is turned off the battery will still be recharged Check all connections to the Kryos especially the harness plug the wall transformer and the battery extension...

Page 33: ...s not successful in 2 minutes the refrigerator should be allowed to thaw to room temperature and purge with dry nitrogen to remove all traces of moisture within the storage chamber before re filling E...

Page 34: ...e described above To clean and sterilize your defrosted LABS CryoStorage System Spray the entire inner vessel surface with ample amounts of an approved disinfectant Allow surface contact to be maintai...

Page 35: ...t from the top of the tube and may cause personal injury 3 Close and lock the lid of the LABS CryoStorage System for forty eight 48 hours 4 Open the LABS CryoStorage System and measure the liquid nitr...

Page 36: ...4 0 5 0 in Thermistor 5 covered Kryos will display 5 0 6 0 in Thermistor 6 covered Kryos will display 6 0 7 0 in Thermistor 7 covered Kryos will display 7 0 in Other Changes The offset has been remove...

Page 37: ...ontroller is removed from the refrigerator for service the liquid refrigerant level must be maintained manually to protect stored product The fill solenoid valve will be inoperative with the controlle...

Page 38: ...TW 357 REV E 38 Sensor Plug Schematic Figure 9 0 Pin View Schematics...

Page 39: ...39 LABS Plumbing Assembly Solenoid Valve Freeze Guard Sensor Male Branch Tee 90 deg Elbow 90 deg Elbow Male Branch Tee Reducer Relief Valve Tube Strainer Female Connector Relief Valve Figure 10 0 Plum...

Page 40: ...e 2 Liquid level is sensed by thermistors located in a sensor tube If the sensor tube is blocked or iced at the top the liquid level in the sensor tube may not rise and fall at the same rate as the li...

Page 41: ...t always needed on an LN2 pipeline whether the pipe is Vacuum Jacketed or Foam Insulated 3 Confirm that the solenoid valve is open when a fill is called for If no flow is detected the solenoid valve i...

Page 42: ...akes Humming Noise Turn fill valve on and off using the control panel If humming continues it should continue to operate reliably If the noise is excessive replace solenoid valve Transformer Makes Hum...

Page 43: ...inch above the floor i e the first thermistor is offset from the floor zero inches If you would like to stop the fill at a depth greater than seven inches from the floor the sensor assembly must phys...

Page 44: ...FILL Sensor 5 inches Sensor Assembly Freeze Guard System RS 232 Enabled Handshaking CTS RTS Baud Rate 19200 Date Time USA Central Time Brightness 100 Lid Switch Enabled Auto Defog Timer 20 seconds Qu...

Page 45: ...attery Backup 5140 1158 Freeze Guard Sensor Assembly 5140 1161 Sensor Assembly 7 Sensor 5140 1163 8 Thermistor option 5140 1164 4 Thermistor option 5140 1162 Remote Alarm Plug 5140 1160 Transformer 24...

Page 46: ...Off Note Gasket condition ____ Seals ____ Leaks Audible Alarm ____ On ____ Off Display Lights ____ On ____ Off Temp control setpoint ______ degrees Taylor Wharton Technical Services Phone 800 898 265...

Page 47: ...47 4075 Hamilton Blvd Theodore Alabama 36582 U S A Telephone 251 443 8680 Fax 251 443 2250 In U S and Canada 800 TW TANKS 898 2657 2002 Harsco Corporation...