OFFICE STATION USER MANUAL
Contents
1. OFFICE STATION USER MANUAL MMR TECHNOLOGIES INC Volume 1 Issue 1 NEVER TURN OFF THE UNIT WITHOUT FOLLOWING THE BELOW PROCEEDURE SHUTDOWN To prevent damage to the unit place the unit in Standby kal Remove any liquid nitrogen from the liquefier by pressing Dispense or Transfer 7 depending on the model See page 6 After approximately 15 minutes power off the unit using the power switch at the rear STARTUP Power on the unit Place the unit in Run 11 Ensure a defrost starts automatically If not press the defrost button BI The unit will begin to produce in approximately 2 hrs NOTES The manufacturer recommends that the unit is not powered off often Frequent cycling can shorten the life of the Cryo Cooler NATO GUCTIOMIN san Orava dns rerna rna SNS a 2 m Welcome Intended Use m Product Overview Liquid Nitrogen Safety m Handling z Containment 7 Specifications Location CONSIdEratiONS sssersrrrrrrsrsrrrrrrsrrrrrrs rer sr srr rss sor sr ren 4 m Choosing a Location 7 Handling Getting Started cc cescsccsssecesssesesssecescesesseesesseecesseeseseeeseseeeees 5 Quick SetuP siani 7 Connecting the Air Compressor m Viewing Sensor Values m Locking and Unlocking Front Panel OPEratiON ssssserssesrrrsesrrsrsrerrsrrrrersner ere srr ere ner enn sen 8 7 Liquefier Level and Transfer m Setting the Clock Liquid Nitrogen RemoVval sssssesssessesessessssssrssrnsesessesssessees2. 6 1 We shall only be liable under this End User License Agreement for losses which are reasonably foreseeable and caused by our own breach of this End User License Agreement or our negligence 6 2 In the absence of any negligence or other breach of duty by us the use of the Licensed Product is at your risk 6 3 Our liability to you shall not include losses relating to any business of yours such as injury loss of profits or contracts or business interruption 6 4 Nothing in this End User License Agreement shall exclude or limit our liability for death or personal injury caused by our negligence 9 TERMINATION YOUR RIGHT TO END THIS END USER LICENSE AGREEMENT you may end this End User License Agreement at any time by disposing of the Licensed Product and all material associated with it OUR RIGHT TO END THIS END USER LICENSE AGREEMENT We may end this End User License Agreement i Immediately at any time for any or no reason or ii If you fail to comply with any of the terms and conditions of this End User License Agreement 10 CONFIDENTIALITY 10 1 The Licensed Product includes our confidential information that is secret and valuable to us and our licensors You are not entitled to use or disclose that confidential information other than strictly in accordance with the terms of this End User License Agreement 10 2 We may disclose details of this End User License Agreement to third parties for publicity and promotional purposes 11
3. gt 1500W Action Leave unit in standby for 24Hrs Resume with Defrost Contact MMR Low Air Pressure Error lt 60psi for 30 seconds Action Check Air hose for leaks Service Air Compressor Cool Down Time out Error Three 3 Consecutive attempts and defrosts have been made to cool down within a given time 2 5Hrs have failed Action Contact MMR Compressor High Temp Error gt 90C Action Check for adequate ventilation Check Room Temperature Replace rear filter Check for vent obstruction See Maintenance and Care ACKNOWLEDGE AND RESTART Press and hold Transfer 7 and Lock buttons simultaneously until the unit restarts As a precaution a 90 minute defrost will begin 11 Page Help Desk Email supportQelan2 com Sales and Marketing Department sales Qmmr tech com Help Desk Phone 1 650 962 9620 Office Hours 7 30am 4 30pm PST Mon Fri Shipping Address MMR Technologies Inc 41 Daggett Drive San Jose CA 95134 United States of America SPARE PARTS Contact our sales department at MMR for sales assistance The following parts are available for immediate purchase DESCRIPTION MMR PART 6 Foot Air Hose 1130456 006 6 Foot Air Compressor Control Cable 1592230 001 Air Compressor 10A US Power Cable 1592160 002 Elan2 20A US Power Cable 1530021 001 Replacement Filter Pack 1130041 001 5L Office Dewar 1230024 001 Brymill CRY AC Series Dewar s 5130315 005 Brymill LN2 Dewar withdrawal t
4. License Agreement for your own commercial purposes the Purpose 3 3 RESTRICTIONS You are not permitted to 3 3 1 Modify the Licensed Product except as necessary to configure the Licensed Product as outlined in the User Manual 3 3 2 Reverse engineer disassemble or decompile the Licensed Product or any portion thereof or otherwise attempt to derive or determine the source code or the engineering therein 3 3 3 Use the Licensed Product for the purposes of competing with MMR including without limitation competitive intelligence 3 3 4 Use the product in a way not described in the documentation without first obtaining written permission from MMR Engineering 4 WARRANTY 4 1 We warrant to you that the Licensed Product will perform substantially in accordance with the Documentation provided that it is operated in accordance with the Documentation in the designated configuration and that the Documentation describes the operation of the Licensed Product in all material respects 4 2 You must tell us about any fault with the Licensed Product as soon as is reasonably possible following discovery of such fault If you notify us of a fault with the Licensed Product we will endeavor to correct or replace the Licensed Product and or Documentation within a reasonable time 4 3 You agree that your use of the Licensed Product is and will continue to be in accordance with all applicable laws and regulations 4 4 You shall be liable for any reasonably
5. foreseeable losses that arise from your use of the Licensed Product in breach of this End User License Agreement 4 5 Nothing in this End User License Agreement shall affect your statutory rights If you have any doubts as to your statutory rights then you should contact your local advice center 5 USE OF THE LICENSED PRODUCT EXCEPT FOR THE EXPRESS WARRANTIES CONTAINED IN CLAUSE 4 ABOVE MMR AND ANY OF ITS THIRD PARTY LICENSORS AND SUPPLIERS AND THE CONTRIBUTORS OF CERTAIN INCLUDED HARDWARE MAKE NO WARRANTIES CONDITIONS UNDERTAKINGS OR REPRESENTATIONS OF ANY KIND EITHER EXPRESS OR IMPLIED STATUTORY OR OTHERWISE IN RELATION TO THE PRODUCT INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY SATISFACTORY QUALITY FITNESS FOR A PARTICULAR PURPOSE NON INFRINGEMENT OR ARISING FROM COURSE OF DEALING USAGE OR TRADE SOME STATES JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU AND YOU MAY HAVE OTHER LEGAL RIGHTS THAT VARY FROM STATE TO STATE OR BY JURISDICTIONS If you have any doubts as to whether the above applies to you then you should contact your local advice center 5 USE OF THE LICENSED PRODUCT Cont WITHOUT LIMITATION TO THE FOREGOING MMR DOES NOT WARRANT THAT THE PRODUCT WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION OF THE PRODUCT WILL BE ERROR FREE OR UNINTERRUPTED OR THAT DEFECTS IN THE PRODUCT WILL BE CORRECTED 6 LIMITATION OF LIABILITY
6. optimal operation and ongoing performance of the unit the following guidelines must be met Room temperature should not exceed 25 C 77 F Well ventilated The room should be free of dust and exhaust from other instrumentation The room should be of low humidity lt 70 Rel Humidity A stable dedicated power source Extension cords should be avoided HANDLING Never tilt or tip the unit Never move or JAR the unit when running Never power down the unit immediately Run in standby for 15mins first Never block or obstruct the vents doing so will overheat the unit and in some cases cause permanent damage Temperature recording devices have been implemented for warranty purposes CONTENTS Please ensure the following items are present Air Compressor Unit Liquefier Unit and Dewar Power Cord for Air Compressor Power Cord for Liquefier 4 V D SIN Air Compressor Data Cable 6FT Teflon Air Hose 5 Page Sensor Values Ready for Dispense Temperature LED Liquefier Internal Level Indicators Main Display Toggle Sensor Values Dispense Internal Contents to Dewar Start a Defrost hold for 3 seconds Lock Button hold for 3 seconds to lock 10 Pressure Gauge WO CON AU BWN FE 11 Standby Run Switch 12 Data Link to Air Compressor 13 Soft Reset Unit 14 Test Air Pressure push and hold 15 Dewar Shelf CONNECTING THE AIR COMPRES
7. screw holding the filter cover in place Step 2 Partially open the cover outwards there is no need to remove the cover Step 3 Remove the dirty filter and replace Step 4 If the filter is clean then decrease inspection frequency Note Contact MMR for a replacement box of filters when necessary ENVIRONMENT CHECK Always check the surrounding environment for clutter or debris that could potentially block or obstruct the ventilation of the unit Ensure cables are securely fastened and that the air hose is free from leaks and kinks Ensure the temperature in the room is not too hot ERROR STATE When an error condition is encountered a code is displayed and the unit is shutdown to prevent damage the cooling fans and air compressor will remain on While the units have been designed and calibrated to prevent false alarms this will happen occasionally when certain monitored parameters such as temperature or humidity go out of range sporadically momentarily ERROR CODES The list of possible error codes and actions ER O4 ER O Low Production Time out Error Three 3 Consecutive attempts and defrosts have been made to produce within a given time 5 5Hrs have failed Action Contact MMR Hardware Failure Flow Sensor Error Action Contact MMR High Humidity Error Action Check room humidity and temperature Service Air Compressor Hardware Failure Liquefier Level Sensor Error Action Contact MMR High Power Consumption
8. time and date The unit will now restart DEWAR FILLING Carry out the following procedure to remove Liquid Nitrogen STOP BEFORE PROCEEDING ENSURE PROPER EYE AND HAND PROTECTION IS WORN DEWAR PLACEMENT Place the Dewar provided with the system on the Dewar Shelf 15 note the Dewar Present light on the shelf must change to green Improper alignment may cause the system not to recognize the Dewar and Dispensing will be disallowed DISPENSING If the unit is locked unlock it now by carrying out the procedure on page 7 Press and hold the Dispense button P Liquid Nitrogen will begin to fill the Dewar Ensure the Dispense button is released before the Dewar is completely full to avoid overflowing or splashing AVOID SPILLS Always check the surrounding area when carrying an open vessel of Liquid Nitrogen contact with other people can cause serious injury Use proper care when handling or transporting the removed Liquid Nitrogen MMR cannot be held liable for accidents Cryogenic gloves amp face shield required 9 Page FILTER REPLACEMENT The Elan2digital is essentially maintenance free and will carry on with minimal user intervention However to ensure the ongoing performance regular inspection of the rear filter is necessary and the frequency of checks will depend on the cleanliness of the environment Filter replacement can be carried out with the unit running Step 1 Loosen the silver
9. SOR TO THE LIQUEFIER 1 Connect Air Hose from Air Compressor to Liquefier Hand tighten only 2 Connect Air Compressor Data cable to Liquefier and Air Compressor 3 Connect both power leads from Air Compressor and Liquefier to suitable wall outlets 4 Turn on Air Compressor and Liquefier 5 Switch the device to Run SETTING THE CLOCK IF NECESSARY The clock is factory set and is displayed when the unit powers up followed by the day Press Reset 13 to view the clock at any time See page 8 if the time or date are incorrect The clock is used for automatic maintenance which takes place at 9PM every Saturday night TESTING THE AIR SUPPLY With the unit running press and hold the Test Air Pressure button on the rear of the unit Over a period of 30 seconds the Pressure should rise to a minimum of 90psi If it doesn t reach 90psi check the air hose connections for leaks DEFROST Each time the unit starts up following installation a power failure or resetting of the unit a 90 minute defrost is commenced This can be cancelled at any time by pressing the Defrost button 8 on the front panel Subsequent defrosts can be started if required by pressing and holding the Defrost button for 2 3 seconds VIEWING SENSOR VALUES When the system is not defrosting pressing the Mode button 6 will toggle the sensor value as indicated by the lights COOLDOWN Once defrosting has completed the refrigeration
10. USE OF YOUR INFORMATION 11 1 We may use information you provide to us for the following purposes 11 1 1 To send emails to you to provide information and goods and services to you and to let you know about other goods and services which we think may be of interest to you 11 2 We confirm that we will process personal information in accordance with the provisions of the Data Protection Act 1998 12 GENERAL 12 1 We intend you to rely upon the written terms set out in this End User License Agreement If you require any changes to these terms please contact us and request for these to be put in writing Any notices required to be given in writing to MMR or any questions concerning this End User License Agreement should be addressed to The Company Secretary MMR Technologies Inc 41 Daggett Drive San Jose CA 95134 United States of America 17 Page TECHNOLOGIES CE MMR TECHNOLOGIES INC 41 Daggett Drive San Jose California 95134 UNITED STATES OF AMERICA 1 650 962 9620 www elan2 com www mmr tech com
11. e into the portable Dewar at any time by pressing and holding the Dispense button 7 During dispensing if the Dispense button is released or the Dewar removed the Dispense will be cancelled to avoid dangerous Liquid Nitrogen spills The internal liquefier is capable of holding 1 2Liters of Liquid Nitrogen when emptied 4 hours will be necessary before it is completely full again Flashing sequential lights indicate the unit is in Standby 11 SETTING THE CLOCK Each time the unit starts up after a power failure or the Reset button being pressed the time is displayed followed by the day The day is designated by a number SUN 1 MON 2 TUE 3 WED 4 THURS 5 FRI 6 SAT 7 To set the clock press and hold the Mode button ll and Transfer button together then press but do not hold Reset asl Continue to hold Mode and Transfer buttons until LLL is displayed this may take some practice The time and date will be displayed continuously To set the time press Mode l To exit setting the time press Reset isl 14 To increment press the Transfer button 7 Once the correct hour is displayed 24Hr time press Mode to set the minute __le2 To increment press the Transfer button i Once the correct minute is displayed press Mode to set the day D 2 To increment press the Transfer button 7 Once the correct day is displayed press Mode to save the new
12. on buttons and display SERIAL NUMBERS 130201AD1 OFFICE STATION AUTO FILL STATION 15 Page 1 DEFINITIONS Start Date means the date from which you received the Licensed Product MMR means MMR Technologies Inc and its subsidiaries or as the context so applies any of them Documentation means any documentation provided to you by us whether electronic or printed which accompanies the Licensed Product End User License Agreement means the terms and conditions set out in this agreement Licensed Product means all or each as the context so allows of the hardware which is licensed to you 2 COPYRIGHT AND OWNERSHIP The end user has full and complete ownership of the hardware documentation and accessories supplied at the time of purchase the Start Date Your obligations under the End User License Agreement in respect to the intellectual property and confidential information of MMR or any of its products shall survive any expiry or termination of the End User License Agreement MMR products contain patented proprietary designs which remain at all time the property of MMR Technologies Inc 3 RIGHTS AND RESTRICTIONS 3 1 LICENSE TERM The End User License Agreement starts at the time of installation of the Elan2digital Liquid Nitrogen Generator product of MMR 3 2 RIGHTS We grant to you a non exclusive right to 3 2 1 Use the Licensed Product subject to the terms and conditions contained within this End User
13. resesesse 9 m Dewar Placement z Dispensing Maintenance and CarC ssrssersresrsssreresersor reser enn er ner bor ere ner bon on 10 m Filter Replacement 7 Environment Check Trouble SIO OUI ccs rceeessdevexacaasecsgrcnrinntvsioviarvenossbaadisaniedaiesteoieweaes 11 m Error Codes Acknowledge and Restart MINN 12 m Spare Parts Datasheet and Electrical rrarnnnvnnnnnnnnnnnvnnnnnnernnernernnnnvnnvnunnunneee 13 7 Electrical m Refrigerant Disposal WaN eaa 14 7 Warranty Limitations m System Safeguards Glossary OT TETIS miniseria dana nE 15 End User AgreeMEenNt sssscssrseosoreroososonesonso sr brors sonen enn er on 16 1 Page WELCOME Congratulations on your purchase of the world s smallest office Liquid Nitrogen Generator the Elan2digital Being the latest generation of award winning Liquid Nitrogen generators offered by MMR the Elan2digital boasts increased production rates a smaller foot print quieter operation and a digital microprocessor The Elan2digital offers a new user friendly interface including self management and error checking to improve overall efficiency uptime and production By minimizing user intervention and with the provision of intelligent feedback and control the Elan2digital will offer years of quiet clean on hand Liquid Nitrogen produced directly in your office INTENDED USE The Elan2digital systems are intended for indoor use only where clean Liquid Nitrogen is needed Beca
14. sal of refrigerants the contents of the system must be recovered by a qualified refrigeration technician in accordance local environmental regulations Note Contains HCFC S ED ST A Ag PAR on 5 Al PROTES ROHN 13 O VAGENCY 13 Page OVERVEIW MMR Technologies recognizes the critical nature of our customer s requirement for Liquid Nitrogen for research applications tissue and biological sample preservation or clinical applications We are committed to providing the highest quality tools that yield maximum reliability and performance That is why every Elan2digital Liquid Nitrogen Generator system includes a standard Two Year Limited Warranty Agreement with 7 Access to MMR Technologies Technical Support through phone and email 7 Planned Maintenance 7 Parts and Labor For more information on the specifics of the Limited Warranty Agreement please contact sales elan2 com or visit our website www elan2 com and download a copy of the Agreement In addition to the Two Year Limited Warranty MMR Technologies offers two levels of Extended Service Agreements that enable you to select the best plan to fit your needs ensuring maximum protection for your investment WARRANTY LIMITATIONS Improper handling or use of the unit along with unauthorized interference can void the warranty such as 7 Improper handling Tipping or dropping the unit m Using the unit in a way not designated in this manual 7 Using the
15. system will become active and will begin to cool down the liquefier This can be monitored by watching the Cryo Temp See Viewing Sensor Values When the Temp has reached 77K cool down is complete and production will begin This should take about 30 minutes LOCKING AND UNLOCKING The Lock feature o is a security device to stop unwanted dispensing If the unit is unlocked and the Dewar is in place dispensing is enabled indicated by the Ready light 2 To unlock the unit first hold down the Lock button 9 While holding the Lock button press and hold the Mode button 6 simultaneously until the lock light goes out To relock simply hold the Lock button 9 until the lock light comes on Note When locked the unit will produce internally and stay in the Dewar it will maintain a full level in the liquefier until the device is unlocked Unlocking can only take place in normal operation 7 Page LIQUEFIER TEMPERATURE The liquefier temperature is shown either by selecting the CRYO TEMP sensor value or by viewing the Temperature light BI When the temperature is greater than 77K production is not possible Flashing Red Temperature is greater than 200K Solid Red Temperature is greater than 100K Solid Blue Temperature is less than 100K LIQUEFIER LEVEL AND DISPENSES The four lights show the internal level of the liquefier If no dispenses are made the unit will enter standby mode Dispenses can be mad
16. te eye protection and gloves when handling cryogens CONTAINMENT Never carry Liquid Nitrogen in a vessel not properly suited for Cryogenic Fluids MMR assumes no liability for injuries caused through improper handling or use of the provided Cryogen Storage Vessels MMR have thoroughly tested and approved the following Cryogenic Storage Vessels for use with this system m Brymill CRY AC Series for cryosurgery 7 MVE Dewar s from PrincetonCryo RISK OF EXPLOSION NEVER CAP OR SEAL A STORAGE VESSEL FOR LIQUID NITROGEN THAT DOES NOT HAVE ADEQUATE VENTILATION HOLES OR A PRESSURE RELIEF DEVICE SPECIFICATIONS Liquid Nitrogen is a colorless odorless extremely cold liquid and gas 198 C It can cause rapid suffocation when concentrations are sufficient to reduce oxygen levels below 19 5 Contact with liquid or cold vapors can cause severe frostbite Cold vapors in the air will appear as a white fog due to condensation of moisture While this may indicate the presence of the gas it should not be used to determine its concentration in the atmosphere Oxygen concentrations must be monitored in the release area All cryogenic liquids produce large volumes of gas when they vaporize One volume of Liquid Nitrogen will expand to produce 696 5 equivalent volumes of gas MSDS OSHA Not established ACGIH Simple Asphyxiate Cryogenic CAS NUMBER 7727 37 9 TY gloves amp face shield required 3 Page CHOOSING A LOCATION To ensure
17. ube 5092306 001 Voltage Power Consumption Run Power Consumption Standby Noise dB Run Noise dB Standby Air Source Liquid Nitrogen Production Daily Liquid Nitrogen Purity Liquefier Weight 115VAC 60Hz Single Phase 950W 10W 78dB 1 Meter 70dB 1 Meter 90 120psi 55C or 6ppm Dew Point Up to 8 Liters per day Depending on Environment N2 98 6 Residual 02 Argon 72 2Ibs 32 8kgs Air Compressor Weight Liquefier Dimensions Air Compressor Dimensions 57 4lbs 26 1kgs 13 W x 13 L x 32 H 17 W x 17 L x 15 H ELECTRICAL This product is intended for indoor use only and must be connected to a proper source of power as designated by the label at the rear of the unit Use only the cables supplied with the device and ensure a proper Ground is present Irregular unstable power may lead to hardware damage Use of equipment other than specifically intended may result in permanent damage to the unit or impairment of the safety devices RISK OF ELECTRIC SHOCK IF OPENED OR UNIT IMPROPERLY GROUNDED AN REFRIGERANT The core refrigeration system of the Elan2d liquefier contains a multi component proprietary refrigerant mix allowing Liquid Nitrogen temperatures to be possible Although some individual components in the mixture are flammable the overall mixture is considered inert Q DISPOSAL Under US EPA and International Laws governing the safe handling and dispo
18. unit in an environment outside of the specifications listed 7 Connecting the unit to the incorrect power supply m Unauthorized opening of the unit chassis Modifying the unit or tampering with the safety devices 7 Failing to maintain the air filter 7 Water ingress damage 7 Using the unit in a country not approved by MMR SYSTEM SAFEGAUARDS These systems have been designed with self protection and maintenance safeguards Should the unit encounter a condition that could potentially cause permanent damage the unit will shut down and output an error code These error codes are permanently recorded along with maximum temperatures inside the unit While these electronic safeguards are designed to improve the longevity of the units they should not be relied on solely The user must take full care in ensuring a proper working environment at all times For further information on warranty information or purchasing an extending manufacturer s warranty contact sales mmr tech com AIR PRESSURE The pressure coming from the Air Compressor 90 100psi 120psi max CRYOGEN A substance used to produce very low temperatures CRYOGEN STORAGE VESSELS Referred to as a Dewar or Flask CRYO TEMP The Temperature inside the Liquefier expressed in Kelvin units 77K when cold COMP TEMP The temperature of the Refrigeration Compressor Casing expressed in degrees Celsius CONSOLE A Serial Interface system telemetry is outputted e
19. use the Liquid Nitrogen generated does not get handled by complex industrial processes or trucks it is extremely clean This makes it an ideal solution for research applications clean rooms tissue biological sample preservation or clinical cryosurgical applications PRODUCT OVERVIEW The Elan2digital produces Liquid Nitrogen straight from the air direct to the user in their office This is made possible by advanced Nitrogen separation and closed cycle Kleemenko cooler technology When put together a production rate of 6 8Liters of high purity clean Liquid Nitrogen is possible The new built in self management system provides peace of mind that the Elan2digital is always performing at its peak and Liquid Nitrogen is always available on demand and on time The system is comprised of Air Compressor unit with Dryer PSA Elan2Digital Liquefier Unit elan LIQUID NITROGEN SAFETY These liquid nitrogen generators have been designed with the highest level of user safety in mind They are also designed to minimize direct handling of Liquid Nitrogen by the user However care must be taken to ensure no contact is made with the cryogenic fluid during Liquid Nitrogen removal from a leak or splash HANDLING Never allow any unprotected part of the body to touch un insulated pipes or vessels which contain cryogenic fluids The extremely cold fluid can cause severe burns if even momentary contact with human skin is made Always wear adequa
20. very 10 seconds 9600 8 N 1 DEFROST A 90 minute timed process in which the unit warms up and evaporates moisture DEWAR A containment vessel for cryogenic fluids DISPENSE The process in which LN2 is transferred to the user OFFICE MODEL ONLY FLOW The measured flow of N2 gas travelling through the liquefier indicating normal operation LIQUEFIER The part making up the Elan2digital responsible for converting a gas into a liquid LN2 Abbreviation for Liquid Nitrogen LOCK The unit will produce internally until FULL but external transfers will be prohibited N2 Abbreviation for Nitrogen Gas POWER CONSUMPTION The power Watts consumed by the Liquefier during operation PSA Pressure Swing Absorber the part responsible for drying the air to very low levels REFRIGERANT A substance within the closed cycle refrigeration system used for cooling RFID A security device fitted to the liquefier to prevent dangerous transfers OFFICE MODEL ONLY RUN Normal Operation SCALE An external scale for indicating storage Dewar contents AT MODEL ONLY STANDBY The unit will remain at room temperature and not produce The fans and air compressor will shut off after 15mins Pressing the defrost button will keep air compressor on TRANSFER The process in which LN2 is transferred from the liquefier to external Dewar AT MODEL ONLY USER INTERFACE The front control panel containing the functi
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