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Model 5720 Series

-40C Lab Freezer

Operating and Maintenance Manual 7065722 Rev. 0

Содержание 5720 Series

Страница 1: ...Model 5720 Series 40C Lab Freezer Operating and Maintenance Manual 7065722 Rev 0 ...

Страница 2: ...st Models Covered Important installer and user information A redundant temperature sensing device has been included in this ULT freezer This device is a type T thermocouple For convenient access the thermocouple Figure 1 3 terminates in an interconnect jack Figure 1 5 behind the base front cover May be located differently in chests See Section 1 It is strongly recommended that this thermocouple be...

Страница 3: ...l adjustments and maintenance must be performed by qualified service personnel s Material in this manual is for information purposes only The contents and the product it describes are subject to change without notice VWR International makes no representations or warranties with respect to this manual In no event shall VWR be held liable for any damages direct or incidental arising out of or relate...

Страница 4: ... and the equipment that has been put on the market after 13 August 2005 This product is required to comply with the European Union s Waste Electrical Electronic Equipment WEEE Directive 2002 96 EC It is marked with the WEEE symbol VWR International has contracted with one or more recycling disposal companies in each EU Member State European Country and this product should be disposed of or recycle...

Страница 5: ... discuss your applications If you are experiencing technical problems working together we will help you locate the problem and chances are correct it yourself over the telephone without a service call When more extensive service is necessary we will assist you with direct factory trained technicians or a qualified service organization for on the spot repair If your service need is covered by the V...

Страница 6: ...o Electrical Power 1 5 Freezer Start Up 1 5 Set Operating Temperature 1 6 Set High Temperature Alarm 1 6 Set Low Temperature Alarm 1 7 Run Mode 1 7 Calibrate 2 1 Calibrate the Control Probe 2 1 Alarms 3 1 Probe Failure Alarm 3 1 Error Messages 3 2 Maintenance 4 1 Clean the Air Filter 4 1 Clean the Condenser 4 1 Defrost the Chamber 4 2 Clean the Door Gasket 4 2 Clean the Vacuum Relief Port 4 2 Repl...

Страница 7: ...he Vent Stack 5 6 Disconnect Fitting Assembly Transfer Hose 5 7 Chart Recorder 5 7 Install the Chart Paper 5 7 Change the Programmed Temperature Range 5 8 Calibrate the Recorder 5 8 Datalogger 5 9 Five Inner Doors 5 9 Specifications 6 1 Exploded Parts Drawings 7 1 Refrigeration Schematics 8 1 Electrical Schematics 9 1 Warranty 10 1 Handling Liquid Nitrogen 11 1 Introduction 11 2 Handling Liquid CO...

Страница 8: ...Redundant Type T Thermocouple Probe Optional Miscellaneous Accessories Probe Figure 1 1 Control Panel keypad displays and indicators BUS optional Back Up System panel Optional temperature recorder 7 day one pen or Datalogger Vacuum relief port cover plate Figure 1 2 Remote alarm contacts Power Inlet for power cord connection Optional BUS connections for probe and sole noid Power Switch mains disco...

Страница 9: ...larm Calibrate Backup Alarm Indicator Light pulses on off during a cabinet alarm condition Mute Silences the audible alarm Alarm Panel indicates the current alarm condition Up and Down Arrows Increases or decreases values toggles between choices Enter Stores the value into memory Control Panel Keys Displays Indicators O Battery power switch To remove filter Thermocouple interconnect jack Battery m...

Страница 10: ...ackets on the pallet The support blocks on the ramps will be facing down Before moving the freezer make sure the casters are unlocked and moving freely Align the caster with the ramp boards Use adequate personnel to roll the freezer off the pallet The freezer can be easily pushed to the desired approved location described following If necessary the doors and lower front panel may be opened to move...

Страница 11: ...rm system to the connector install the connector to the freezer microboard and secure with the two screws provided The remote alarm provides a NO normally open output a NC normally closed output and COM common The contacts will trip on a power outage high temperature alarm or low temperature alarm They will also trip on control probe and microboard failures Figure 1 7 shows the remote contacts in ...

Страница 12: ...re charging and the Low Battery indicator may illuminate Caution Ensure the battery switch is turned to Standby mode The rechargeable batteries require 36 hours to charge at initial start up A Low Battery alarm may occur until the batteries are fully charged Should a power failure occur during the initial start up period the electronics will have limited operation s With the freezer properly insta...

Страница 13: ...nce of at least 10 from set point s The high temperature alarm will activate an audible visual warning when the freezer chamber temperature has reached or exceeded the high temperature alarm set point To set the high temperature alarm set point 1 Press the Mode key until the Set High Alarm indicator lights 2 Press the up or down arrow key until the desired high temperature alarm set point is displ...

Страница 14: ...t point is displayed 3 Press Enter to save the setting 4 Press the Mode key until the Run indicator lights for Run mode If no control keys are pressed the freezer will automatically return to RUN mode after 5 minutes Note The low alarm set point must be set at least 5 C from the control set point s Run is the default mode for the freezer This mode displays the cabinet temperature on the temperatur...

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Страница 16: ...side the lower door see Figure 1 5 Compare the control temperature set point to the temperature of the measuring device 1 Press the Mode key until the Calibrate indicator lights 2 Press up down arrow to match the display to calibrated instrument 3 Press Enter to store calibration 4 Press the Mode key to return to Run mode Temperature Stabilization Periods Startup Allow 12 hours for the temperature...

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Страница 18: ...re alarm will occur as described above If an error is detected with the control probe the compressor will run continuously As a result the cabinet temperature will decrease until it reaches the lowest temperature that the refrigeration system can maintain If an error is detected with the condenser probe there is no impact on the performance of the freezer however the hot condenser alarm may also o...

Страница 19: ...and voltage Furthermore the audible alarm will sound Other startup error messages may be displayed prior to this message however the system will stop the startup sequence for this condi tion ErA1 No pulses zero crossings detected to determine frequency 50 60 Hz ErC1 Frequency detected is below 50 Hz Erd1 Frequency detected is above 60 Hz Possible noise spikes on supply voltage ErE1 Unit is 230V an...

Страница 20: ...ult three times by a hardware reset of the micro board In the event that the system couldn t rectify the issue the following sequence of events will occur 1 Remote alarm contacts will become active 2 Buzzer will annunciate audibly and will have a ringback of 15 minutes 3 Seven segment display will show Er07 4 The compressor will activate 5 The system will go to bottom out temperatures Er09 Name St...

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Страница 22: ... 4 Dry by pressing between two towels 5 Install the filter back into the grille and attach the grille Depending upon environmental conditions the filter may need to be cleaned or replaced more frequently If the filter becomes torn or excessively dirty a replacement can be purchased from VWR See the exploded parts list Section 7 for filter part number A filter kit set of 5 is also available Cleanin...

Страница 23: ... may need to be cleaned more frequently if dirt or excessive frost build up prevents the door from closing properly Cleaning the vacuum relief port aminimum of once a month is recommended The exterior door gasket provides an excellent seal that protects product provides an energy efficient thermal barrier to keep cold air in and room temperature air out and reduces frost build up on the inner door...

Страница 24: ... equalize pressure Caution Do not leave freezer unattended with door unlatched Vacuum could release resulting in door opening and possible product loss s Observe the inner side of port with each door opening for frost and ice build up Remove any frost with a soft dry cloth If the tube should become clogged with ice it must be cleaned Clear the vacuum relief tube completely free of ice to prevent r...

Страница 25: ...tent and dependable charge replace the battery every 2 years Replacement batteries must be rechargeable and are available from VWR Refer to the parts list for stock number and description of the replacement batteries Dispose of the used batteries in a safe manner and in accordance with good environmental practices s Defrost the unit as described in Defrost the Chamber This will prepare the unit fo...

Страница 26: ...cians using NIST traceable instruments available in many areas For more information on Preventive Maintenance or Extended Warranties please contact us at the number below Cleaning and calibration adjustment intervals are dependent upon use environmental conditions and accuracy required Tips Fill an upright by starting at the bottom near the probe and add racks to one shelf at a time Allow freezer ...

Страница 27: ...heck air filter Clean or replace as needed 4 4X 4 7 Check alarm back up battery 4 Replace Check condenser fan motor for unusual motor noise or vibration 4 2 Verify and document calibration at the minimum annually 4 4 3 Clean condenser compartment and wipe off condenser 4 Qualified service technicians only Dispose of properly according to all state and federal regulations To minimize ice build up i...

Страница 28: ... BUS back up system will keep the freezer chamber temperature below the critical level in the event of a power or equipment failure If power to the freezer fails or temperature increases to the back up alarm set point the BUS injects liquefied gas into the chamber to keep the chamber temperature within the specified range The BUS operates on an internal 12 volt rechargeable battery which is kept c...

Страница 29: ...n end of the nipple Place Permagum sealant between the brass tee and the interior top 5 Remove the two Phillips head screws securing the metal bracket on the vent stack assembly 6 Install the vent stack through the opening and secure it to the top of the freezer using screws 7 Go to the interior and seal around the end of the vent stack with Permagum 8 Install the transfer hose connecting one end ...

Страница 30: ...in the front of the bracket Secure the probe on the back of the bracket with the tie wrap 3 Tap 8 32 the two pre punched holes located on the interior left wall of the freezer Mount the bracket Figure 5 4 shows the Back Up probe mounted on the interior left side wall of the freezer 40C Lab Freezer 5 3 VWR International Section 5 Factory Installed Options Install the Temperature Probe 290167 Back U...

Страница 31: ... power to the freezer Turn the freezer On with battery switch Off O a The Solenoid Engaged light on the BUS control panel will illuminate no injection occurs This light stays on until the unit is below BUS setpoint b The Low Battery indicator may also illuminate 5 Turn the battery switch to Standby mode to charge both batteries 5 4 40C Lab Freezer VWR International Section 5 Factory Installed Opti...

Страница 32: ...t can inject gas CO2 or LN2 Press To Test Activates the solenoid and injects LN2 or CO2 into the freezer chamber as long as the button is depressed The solenoid engaged indicator should light If the Low Battery indicator lights during the test replace the BUS battery Note solenoid will not engage if door is open The optional BUS can be configured for LN2 or CO2 supply To select the supply type 1 P...

Страница 33: ...nt The BUS set point can not be set any colder than the high temperature alarm set point See Section 1 s After the freezer has stabilized and both batteries are fully charged the BUS can be tested to verify proper operation 1 Disconnect AC power to the freezer by turning the power switch off 2 As the freezer warms up verify the BUS injects at the desired temperature Displayed temperature may vary ...

Страница 34: ...am selection and calibration buttons until the pen begins to move outward 2 Unscrew the knob at the center of the chart and remove the paper 3 Install the new chart paper position the paper to the correct time line and replace the knob 4 Remove the cap from the felt pen and press button 3 40C Lab Freezer 5 7 VWR International Section 5 Factory Installed Options Disconnect Fitting Assembly Transfer...

Страница 35: ... chamber next to the recorder probe 2 Temperature probes for the recorder are located in the left front corner of the freezer chamber Figure 1 4 3 After about three minutes compare the thermometer reading with the chart recorder reading 4 If an adjustment is necessary press the 1 button to move the pen to the left or the 2 to move the pen to the right The button must be held about five seconds bef...

Страница 36: ... be downloaded to a PC A variety of statistical information is provided through calculations analysis graphs and printed reports Refer to the ELPRO documentation for operating instructions for the datalogger The five inner door option P N 189405 13cf 189406 17cf is factory installed The freezer is converted to accommodate four adjustable specimen shelves with the fifth shelf as the bottom of the f...

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Страница 38: ...0 cu ft 368 1 liters 17 3 cu ft 489 9 liters 17 3 cu ft 489 9 liters Refrigeration One 1 HP 2545 BTUH each Insulation Non CFC foamed in place urethane 5 0 12 7cm cabinet 4 5 11 4 cm door Electrical 120V 50 60Hz 10 0FLA Operating Range 108VAC 130VAC 230V 60 Hz 6 5 FLA Operating Range 208VAC 230VAC 230V 50 60Hz 6 5FLA Operating Range 208VAC 240VAC 230V 50 60Hz 6 5FLA Operating Range 208VAC 240VAC Br...

Страница 39: ...igned to withstand safely It depends on the nature of the electricity supply and its overvoltage protection means For example in CAT II which is the category used for instruments in installations supplied from a supply comparable to public mains such as hospital and research laboratories and most industrial laboratories the expected transient overvoltage is 2500V for a 230V supply and 1500V for a ...

Страница 40: ... 40C Lab Freezer 7 1 VWR International Exploded Drawing Upright Freezer Cabinet Assembly 902 200 1 B Rev 1 Page 1 of 2 ...

Страница 41: ...7 2 40C Lab Freezer VWR International Exploded Drawing Upright Freezer Cabinet Assembly 902 200 1 B Rev 1 Page 2 of 2 CONTINUED ...

Страница 42: ... 40C Lab Freezer 7 3 VWR International Exploded Drawing Single Door Assembly Upright Freezer V 40C 86C 5702 201 1 B Rev 1 Page 1 of 2 ...

Страница 43: ...7 4 40C Lab Freezer VWR International Exploded Drawing Single Door Assembly Upright Freezer V 40C 86C 5702 201 1 B Rev 1 Page 2 of 2 ...

Страница 44: ... 40C Lab Freezer 7 5 VWR International Exploded Drawing Model 5729 Upright Freezer Base Assembly V 5702 203 2 B Rev 8 Page 1 of 2 ...

Страница 45: ...7 6 40C Lab Freezer VWR International CONTINUED Exploded Drawing Model 5729 Upright Freezer Base Assembly V 5702 203 2 B Rev 8 Page 2 of 2 ...

Страница 46: ... 40C Lab Freezer 7 7 VWR International Exploded Drawing 230V Relay Enclosure Freezers 902 204 1 B Rev 1 Page 1 of 2 ...

Страница 47: ...7 8 40C Lab Freezer VWR International Exploded Drawing 230V Relay Enclosure Freezers 902 204 1 B Rev 1 Page 2 of 2 ...

Страница 48: ... 40C Lab Freezer 7 9 VWR International Exploded Drawing 120V Relay Enclosure Freezers 902 204 2 B Rev 1 Page 1 of 2 ...

Страница 49: ...7 10 40C Lab Freezer VWR International Exploded Drawing 120V Relay Enclosure Freezers 902 204 2 B Rev 1 Page 2 of 2 ...

Страница 50: ...BACK THAT INCLUDE THE FOLLOWING 3 FIRST LINE ASSEMBLY NUMBER AND REVISION SECOND LINE BAR CODE OF ASSEMBLY AND REVISION THIRD LINE UNIQUE SERIAL NUMBER INCLUDING DATE OF MANUFACTURE IN THE FOLLOWING FORMAT AND ORDER THREE LETTER MANUFACTURING SITE TWO DIGIT YEAR MANUFACTURED TWO DIGIT WEEK MANUFACTURED FOLLOWED BY A UNIQUE FOUR DIGIT NUMBER FOURTH LINE BAR CODE OF UNIQUE SERIAL NUMBER FIFTH LINE A...

Страница 51: ...R 623050 2 623060 2 612060 2 623050 1 623060 1 612060 1 6 8 SPEED NUT S S 327675 4 327675 4 327675 4 327675 2 327675 2 327675 2 7A 2 5 VINYL COATED STRAP N A N A 600106 4 N A N A 600106 2 7B 2 VINYL COATED STRAP 600108 2 600108 2 N A 600108 1 600108 1 N A 8 RUN CAPACITOR 223050 223060 212060 N A N A N A 9 RUN CAPACITOR 223050 223050 212060 223050 1 223060 1 212060 1 10 1 75 VINYL COATED STRAP 6001...

Страница 52: ... 40C Lab Freezer 8 1 VWR International ...

Страница 53: ...8 2 40C Lab Freezer VWR International ...

Страница 54: ... 40C Lab Freezer 9 1 VWR International ...

Страница 55: ...9 2 40C Lab Freezer VWR International ...

Страница 56: ... 40C Lab Freezer 9 3 VWR International ...

Страница 57: ...9 4 40C Lab Freezer VWR International ...

Страница 58: ... 40C Lab Freezer 9 5 VWR International ...

Страница 59: ...9 6 40C Lab Freezer VWR International ...

Страница 60: ...this warranty Replacement or repair of component parts or equipment under this warranty shall not extend the warranty to either the equipment or to the component part beyond the original two year warranty period VWR and or Thermo must give prior approval for the return of any components or equipment THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED NO W...

Страница 61: ...anty Replacement or repair of component parts or equipment under this warranty shall not extend the warranty to either the equipment or to the component part beyond the original two year warranty period VWR and or Thermo must give prior approval for the return of any components or equipment THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED NO WARRANTIES...

Страница 62: ...rt of your body to touch objects cooled by liquid nitrogen Such objects may stick fast to the skin and tear the flesh when you attempt to free yourself Use tongs to withdraw objects immersed in the liquid and handle the object carefully Wear protective clothing Protect your eyes with a face shield or safety goggles safety glasses with out side shields do not give adequate protection Always wear gl...

Страница 63: ...me temperature differences encountered in working with liquid nitrogen Even these special con tainers should be filled SLOWLY to minimize the internal stresses that occur when any material is cooled Excessive internal stresses can dam age the container Do not cover or plug the entrance opening of any liquid nitrogen refrig erator or dewar Do not use any stopper or other device that would interfere...

Страница 64: ...mal air from the area In closed areas excessive amounts of nitrogen gas reduce the concentration of oxygen and can result in asphyxiation Because nitrogen gas is colorless odorless and tasteless it cannot be detected by the human senses and will be breathed as if it were air Breathing an atmosphere that contains less than 18 oxygen can cause dizziness and quickly result in unconsciousness and deat...

Страница 65: ...ends to displace the normal air from the area In closed areas excessive amounts of CO2 gas reduce the concentration of oxygen and can result in asphyxiation Because CO2 gas is colorless odorless and tasteless it cannot be detected by the human senses and will be breathed as if it were air Breathing an atmos phere that contains less than 18 oxygen can cause dizziness and quickly result in unconscio...

Страница 66: ...t If exposed to liquid or cold gas restore tissue to normal body temperature 98 6 F as rapidly as possible followed by protection of the injured tissue from further damage and infection Remove or loosen clothing that may constrict blood circulation to the frozen area Call a physician Rapid warming of the affected part is best achieved by using water at 108 F Under no circumstance should the water ...

Страница 67: ...11 6 40C Lab Freezer VWR International Section 11 Appendix ...

Страница 68: ...VWR International P O Box 5015 Bristol CT 06011 8960 www vwrsp com ...

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