User`s Manual - USF Research & Innovation
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1. User s Manual FreeZone Benchtop Shell Freezers Models 7949020 7949030 7949040 To receive important product updates complete your product registration card online at register labconco com Protecting vour P aN laboratory environment LABCONCO Labconco Corporation 8811 Prospect Avenue Kansas City MO 64132 2696 800 821 5525 816 333 8811 FAX 816 363 0130 E MAIL labconco labconco com HOME PAGE www labconco com Please read the User s Manual before operating the equipment Copyright 2004 2007 Labconco Corporation All rights reserved The information contained in this manual and the accompanying products are copyrighted and all rights reserved by Labconco Corporation Labconco Corporation reserves the right to make periodic design changes without obligation to notify any person or entity of such change Warranty Labconco provides a warranty on all parts and factory workmanship The warranty includes areas of defective material and workmanship provided such defect results from normal and proper use of the equipment The warranty for all Labconco products will expire one year from date of installation or two years from date of shipment from Labconco whichever is sooner except the following e Purifier amp Delta amp Series Biological Safety Cabinets and PuriCare amp Lab Animal Research Stations carry a three year warranty from date of installation or four years from date of shipment from Labconc2. Refer to Appendix B Benchtop Shell Freezer Dimensions for dimensional drawings of the Benchtop Shell Freezer Product Service Domestic 1 800 522 7658 International 816 333 8811 9 The United States Interstate Commerce Commission rules require that claims be filed with the delivery carrier within fifteen 15 days of delivery CHAPTER 3 GETTING STARTED Now that the site for your Benchtop Shell Freezer is properly prepared you are ready to unpack inspect install and test your Benchtop Shell Freezer Read this chapter to learn how to e unpack and move your Benchtop Shell Freezer e set up your Benchtop Shell Freezer e connect the electrical supply source to your Benchtop Shell Freezer e safely use solvents with your Benchtop Shell Freezer The Benchtop Shell Freezer weighs over 90 Ibs 41 Kg The carton allows for lifting with a mechanical lift truck or hand truck If you must lift the Benchtop Shell Freezer manually use at least two 2 persons and follow safe lifting guidelines Unpacking Your Benchtop Shell Freezer Carefully unpack your Benchtop Shell Freezer and inspect it for damage that may have occurred in transit If your Benchtop Shell Freezer is damaged notify the delivery carrier immediately and retain the entire shipment intact for inspection by the carrier 10 Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 3 Getting Started UNAUTHORIZED RETURNS WILL
3. Solvent Safety Precautions 12 CHAPTER 4 USING YOUR BENCHTOP SHELL FREEZER 14 Benchtop Shell Freezer Controls 15 Operating the Benchtop Shell Freezer 15 CHAPTER 5 MAINTAINING YOUR BENCHTOP SHELL FREEZER 17 APPENDIX A BENCHTOP SHELL FREEZER COMPONENTS 19 APPENDIX B BENCHTOP SHELL FREEZER DIMENSIONS 21 APPENDIX C BENCHTOP SHELL FREEZER SPECIFICATIONS 22 Electrical Specifications 22 Environmental Conditions 22 Wiring Diagram 115V 24 Wiring Diagram 230V 25 DECLARATION OF CONFORMITY 26 CHAPTER INTRODUCTION Congratulations on your purchase of a Labconco FreeZone Benchtop Shell Freezer which is designed to prepare samples for laboratory lyophilization procedures The unit 15 easy to Install and maintain Proper care and maintenance of this product will result in many years of dependable service Freeze Dry Process Freeze drying is an important process in sample preparation and for the preservation and storage of biologicals pharmaceuticals and foods Of the various methods of dehydration freeze drying lyophilization is especially suited for substances that are heat sensitive Other than food processing e g coffee whole dinners freeze drying has been extensively used in the development of pharmaceuticals e g antibiotics and preservation of biologicals e g proteins plasma viruses and cell lines The nondestructive nature of this process has been demonstrated by the retention of viability in freeze d
4. Approx ee C Milk 5 40 10 Urea 40 10 Blood Plasma 10 to 25 40 16 Serum 25 40 18 Vaccinia 30 to 40 50 22 Influenza Vaccine 30 50 24 Human Tissue 30 to 40 50 48 Vegetable Tissue 50 80 60 Total sample quantities are contingent on various freeze dryer capacities Up to the point of overloading the system the greater the surface area of the sample the faster the rate of freeze drying By contrast for a given surface area the thicker the sample the slower the rate of freeze drying This is based on the fact that the heat of sublimation is usually absorbed on one side of the frozen sample and must travel through the frozen layer to vaporize water at the other surface In addition as the sample is freeze dried the water vapor must travel through the layer of dried material The thicker the sample the greater the chance that the dried layer may collapse which would cause an additional decrease in the rate of freeze drying The surface area and thickness of the sample can usually be ignored when each sample contains only a few milliliters However for larger volumes the samples should be shell frozen to maximize the surface area and minimize the thickness of the sample The volume of the freeze dry flask should be two to three times the volume of the sample 2 Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 1 Introduction In order for lyophilization to occur
5. LED turns on at approximately 35 C The fifth LED turns on at approximately 38 C The sixth LED turns on at approximately 40 C The bottom LED turns on at approximately 42 C Operating the Benchtop Shell Freezer The Benchtop Shell Freezer is designed for shell freezing samples in flasks in preparation for freeze drying It can process the following Labconco flasks Quantity Flask Size 1 1200ml Flask 900 ml Flask 750 ml Flask 600 ml Flask 300ml Flask 150ml Flask 120ml Flask 80ml Flask 40ml Flask N N N N BR Product Service Domestic 1 800 522 7658 International 816 333 8811 15 Chapter 4 Using Your Benchtop Shell Freezer Follow the steps below each time you use the shell freezer to obtain optimum performance 1 2 Check that the solvent bath drain plug is securely installed in the drain hose Remove the bath compartment cover and add solvent to the bath compartment Commonly used solvents are methanol or ethanol Recommended solvent depth is 1 4 to 1 2 above the top of the rollers approximately 2 liters If flammable solvents are used in the shell freezer bath be sure to keep away from open D flame Press the main power switch The top LED will illuminate The shell freezer refrigeration module will start and the bath rollers will begin rotating Fill a freeze dry container no more than full with sample and stopper the container top Lay the container on the rollers in a h
6. ice must be removed from the frozen sample via sublimation This is accomplished by the collector and the vacuum pump The collector which should be at least 15 to 20 C colder than the eutectic temperature melting temperature of the sample traps vapor as ice Since the vapor pressure at the collector is lower than that of the sample the flow of water vapor 15 from the sample to the collector Since this vapor diffusion process occurs very slowly under normal atmospheric conditions a good vacuum is essential to maintain an efficient rate In many applications the maintenance of a vacuum of 0 133 mBar or less is recommended The rate of freeze drying is directly proportional to the vapor pressure and the vapor pressure is dependent upon both eutectic temperature and solute concentration of the sample For example a solution of sodium chloride and water would freeze dry at a slower rate than pure water The eutectic temperature of a sodium chloride solution is about 21 C and at this temperature the vapor pressure is about 1 16 that of water at 0 C Although the eutectic temperature is not dependent upon the concentration of sodium chloride the vapor pressure of the water would decrease as the concentration of sodium chloride increased This is due to the fact that as the solute concentration increases less of the surface area of the frozen sample is occupied by water In general most solutions or biological samples will have a eutectic t
7. the Benchtop Shell Freezer Appendix C Benchtop Shell Freezer Specifications contains product specifications and wiring diagrams 6 Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 1 Introduction Typographical Conventions Recognizing the following typographical conventions will help you understand and use this manual e Book chapter and section titles are shown in italic type e g Chapter 3 Getting Started e Steps required to perform a task are presented in a numbered format e Comments located in the margins provide suggestions reminders and references e Critical information is presented in boldface type in paragraphs nm that are preceded by the exclamation icon Failure to comply with the information following an exclamation icon may result in injury to the user or permanent damage to your Shell Freezer e Important information is presented in capitalized type in ee paragraphs that are preceded by the pointer icon It is imperative that the information contained in these paragraphs be thoroughly read and understood by the user Product Service Domestic 1 800 522 7658 International 816 333 8811 7 CHAPTER 2 PREREQUISITES Before you install your Benchtop Shell Freezer you need to prepare your site for Installation The Benchtop Shell Freezer may be mounted on top of a benchtop work surface Carefully examine the location where you intend to install your Benchtop Sh
8. 31V1d 3sv8 Nd uv3u 1371NI Y3MOd A 9 8 318 VS V Product Service Domestic 1 800 522 7658 International 816 333 8811 24 Appendix Benchtop Shell Freezer Specifications V 60 or 50 Hz Models Wiring Diagram 230 A33 TINT SNIOIAN3S OI SOlNd vOS66 4 N d 3oNnOS N3MOd NOYA L93NNOOSIO WvN9VId 9NISIM JNINSVM OONOOSVI Z0SZ6 N d SS3NHVH 91 f 3dAL MOSS3NdNOD OOESISZ N d 2 3OSN3S dW31 INd 3015 31V1d 3sv8 Wd 33M0d Lj N 8 VS ES V 39N3383338 V9d 310N 25 Product Service Domestic 1 800 522 7658 International 816 333 8811 DECLARATION OF CONFORMITY Application Council Directive s 73 23 EEC 89 336 EEC Standard s to which conformity is declared EN61010 EN55022 EN50082 1 Manufacturer s Name Labconco Corporation Manufacturer s Address 8811 Prospect Avenue Kansas City MO 64132 USA Importer s Name See Shipping Customs Documents Importer s Address See Shipping Customs Documents for your equipment Type of Equipment Laboratory Equipment Benchtop Shell Freezer Model No 7949030 Serial No Various See Individual Declaration Year of Manufacture 2004 and Subsequent I the undersigned hereby declare that the equipment specified above conforms to the above Directive s and Standard s See individual Declaration of Conformity which will be signed by the importer for your country Signature
9. Full Name Position An individual version of this declaration is included with your shipping customs documentation Labconco P N 36960 40 Rev A ECO C729 26 Product Service Domestic 1 800 522 7658 International 816 333 8811
10. M MM Product Service Domestic 1 800 522 7658 International 816 333 8811 19 Appendix Benchtop Shell Freezer Components Item Qty Part No Description 1 1 7403100 Lid 2 1 7408400 Gasket Lid 3 1 1305200 Switch 4 1 7394400 Printed Circuit Board 5 1 7392208 Label 6 1 7624100 Hose Drain 7 I 7728000 Plug Drain 8 1 7519100 Drive Motor 115V 7519101 Drive Motor 230V 9 1 7515300 Temperature Sensor Y T WWW ANY 20 Product Service Domestic 1 800 522 7658 International 816 333 8811 APPENDIX BENCHTOP SHELL FREEZER DIMENSIONS INCHES CENTIMETERS Product Service Domestic 1 800 522 7658 International 816 333 8811 21 22 APPENDIx C BENCHTOP SHELL FREEZER ELECTRICAL SPECIFICATIONS This Appendix contains technical information about the Freeze Dryer including electrical specifications environmental operating conditions and wiring diagrams Electrical Specifications Catalog Operating Number Nominal Range Frequency Phase Amperage 7949020 115 103 127 60 1 6 100 90 110 50 1 6 7949030 230 198 254 50 1 2 5 7949040 230 187 253 60 1 2 5 Environmental Conditions Indoor use only Maxim
11. NOT BE ACCEPTED IF YOUR BENCHTOP SHELL FREEZER WAS DAMAGED IN TRANSIT YOU MUST FILE A CLAIM DIRECTLY WITH THE FREIGHT CARRIER LABCONCO CORPORATION AND ITS DEALERS ARE NOT RESPONSIBLE FOR SHIPPING DAMAGE DO NOT DISCARD THE CARTON OR PACKING MATERIALS UNTIL YOU HAVE CHECKED ALL OF THE COMPONENTS AND INSTALLED AND TESTED THE BENCHTOP SHELL FREEZER DO NOT RETURN GOODS WITHOUT THE PRIOR AUTHORIZATION OF LABCONCO Benchtop Shell Freezer Components Locate the model of Benchtop Shell Freezer you received in the following table Verify that the components listed are present and undamaged Catalog Product Description 7949020 Benchtop Shell Freezer 115V 60 Hz 7949030 Benchtop Shell Freezer 230V 50 Hz 7949040 Benchtop Shell Freezer 230V 60 Hz Plus the following Part Qty Component Description 7392209 1 User s Manual 1334500 1 Power Cord 115V Or 1338000 1 Power Cord 230V If you did not receive one or more of the components listed for your Benchtop Shell Freezer or if any of the components are damaged contact Labconco Corporation immediately for further instructions Product Service Domestic 1 800 522 7658 International 816 333 8811 11 Chapter 3 Getting Started Installing Your Benchtop Shell Freezer After you verify receipt of the proper components move your Benchtop Shell Freezer to the location where you want to install it Then follow the steps listed below 1 Check
12. ample should be removed If there is a problem with a particular type of sample melting when placed on the freeze dry system dilution of the sample with more water or providing some insulation around the flask to decrease the rate of heat absorption by the sample may help If the eutectic temperature of the sample is 40 to 60 C the freeze dry system selected for use must be equipped with cascade type refrigeration so that the collector temperature can be cooled to below 75 C or a dry ice solvent trap may be used between the collector and the vacuum pump Samples Containing Volatile Substances In certain cases the solvent in a sample to be freeze dried may contain volatile components such as acetonitrile methanol acetic acid formic acid or pyridine In addition to these substances having an effect on the eutectic temperature they may increase the vapor pressure at the surface of the sample Also compared to water they will require the absorption of less heat for sublimation to occur Hence samples that contain volatile substances will have a greater tendency to melt particularly when placed in flasks or exposed to room temperature If a sample containing a volatile substance tends to melt when placed on a freeze dry system dilution of the sample with more water will help keep the sample frozen For example a 0 2M solution of acetic acid is much easier to freeze dry than a 0 5M solution Sample Surface Area and Thickness
13. ell Freezer You must be certain that the area 15 level and of solid construction An electrical source must be located near the Installation site Carefully read this chapter to learn e the electrical supply requirements e location requirements Refer to Appendix C Benchtop Shell Freezer Specifications for complete Benchtop Shell Freezer electrical and environmental conditions specifications and requirements Electrical Requirements The Benchtop Shell Freezer requires a dedicated electrical outlet This outlet requires a 15 Amp circuit breaker fuse for models rated at 115V 60 Hz An outlet equipped with a 8 Amp circuit breaker or fuse is required for models rated at 230V 50 60 Hz The power cord on 115V models is equipped with a 15 Amp NEMA 5 15P plug The power cord on 230V models is equipped with a NEMA 6 15P plug If this does not match with the available receptacle remove this plug and replace it with an approved plug of the suitable style Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 2 Prerequisites Location Requirements The Benchtop Shell Freezer should be located in an area that provides an unobstructed flow of air around the cabinet This air cools the refrigeration system A minimum of 3 must be allowed between the back and both sides of the Benchtop Shell Freezer and adjacent wall surfaces Restriction of airflow during operation could adversely affect performance
14. emperature of 10 to 25 C However if the sample contains a simple sugar such as glucose or if the sample is animal or plant tissue the eutectic temperature may be as low as 30 to 50 C Freeze Dry Capacity The volume of a sample that can be freeze dried at one time is related to factors discussed previously and the size and design of the freeze dry system With any given instrument the capacity is based on the surface area of the sample the eutectic temperature and concentration of the sample and the rate and amount of heat transferred to the frozen sample Of these factors the eutectic temperature is the most important factor in determining the amount of sample that can be freeze dried at one time particularly when flasks are used This is because as the eutectic temperature decreases the vapor pressure decreases but the rate of heat absorption by the sample does not change This tends to promote melting of the sample which leads to a marked increase in vapor pressure and ultimately overloads the collector and vacuum pump Samples that have eutectic temperatures of 20 C or lower should be placed on the freeze dry system one flask at a time so that the Product Service Domestic 1 800 522 7658 International 816 333 8811 3 Chapter 1 Introduction vacuum in the system may recover before adding another sample to the system If the vacuum does not recover the capacity of the freeze dry system has been exceeded and the s
15. erce Commission rules require that claims be filed with the delivery carrier within fifteen 15 days of delivery Limitation of Liability The disposal and or emission of substances used in connection with this equipment may be governed by various federal state or local regulations All users of this equipment are required to become familiar with any regulations that apply in the user s area concerning the dumping of waste materials in or upon water land or air and to comply with such regulations Labconco Corporation is held harmless with respect to user s compliance with such regulations Contacting Labconco Corporation If you have questions that are not addressed in this manual or if you need technical assistance contact Labconco s Customer Service Department or Labconco s Product Service Department at 1 800 821 5525 or 1 816 333 8811 between the hours of 7 00 a m and 6 00 p m Central Standard Time Part 27392209 Rev A ECO E218 TABLE Or CONTENTS CHAPTER 1 INTRODUCTION 1 Freeze Dry Process 1 Freeze Dry Rates 2 Freeze Dry Capacity 3 Samples Containing Volatile Substances 4 Sample Surface Area and Thickness of the Sample 4 About This Manual 5 Typographical Conventions 7 CHAPTER 2 PREREQUISITES 8 Electrical Requirements 8 Location Requirements 9 CHAPTER 3 GETTING STARTED 10 Unpacking Your Benchtop Shell Freezer 10 Benchtop Shell Freezer Components 11 Installing Your Benchtop Shell Freezer 12 Electrical Connection 12
16. is Manual This manual is designed to help you learn how to install use and maintain your Benchtop Shell Freezer Instructions for performing routine maintenance and making minor modifications to your Benchtop Shell Freezer are also included Chapter 1 Introduction provides a brief overview of the freeze dry process explains the organization of the manual and defines the typographical conventions used in the manual Chapter 2 Prerequisites explains what you need to do to prepare your site before you install your Benchtop Shell Freezer Electrical requirements are discussed Product Service Domestic 1 800 522 7658 International 816 333 8811 5 Chapter 1 Introduction Chapter 3 Getting Started contains the information you need to properly unpack inspect and install your Benchtop Shell Freezer Chapter 4 Using Your Benchtop Shell Freezer discusses the basic operation and information on how to load samples Chapter 5 Maintaining Your Benchtop Shell Freezer explains how to perform routine maintenance Chapter 6 Troubleshooting contains information about problems you may encounter while using your Benchtop Shell Freezer including the probable causes of the problems and suggested corrective actions Appendix A Benchtop Shell Freezer Components contains labeled diagrams of the key components of the Benchtop Shell Freezer Appendix B Benchtop Shell Freezer Dimensions contains diagrams showing the dimensions for
17. n or upon water land or air and to comply with such regulations Product Service Domestic 1 800 522 7658 International 816 333 8811 13 CHAPTER 4 Usinc Your BENCHTOP SHELL FREEZER After your Benchtop Shell Freezer has been installed as detailed in Chapter 3 Getting Started you are ready to begin using your Benchtop Shell Freezer Read this chapter to learn how to e operate the controls e understand the display e load samples Do not use the Benchtop Shell Freezer in a manner not specified by the manufacturer refer to Appendix C Benchtop Shell Freezer Specifications The electrical protection properties of the Benchtop Shell Freezer may be impaired if the Benchtop Shell Freezer is used inappropriately 14 Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 4 Using Your Benchtop Shell Freezer Benchtop Shell Freezer Controls The control panel for the Benchtop Shell Freezer is shown below with a description about its function 1 Main Power Switch Not shown Located on right side of cabinet turns the unit on or off 2 Bath Temperature Graph Display This display indicates the temperature of the solvent in the Benchtop Shell Freezer bath The top LED turns on when the main power switch is turned on The second LED turns on when the bath temperature reaches approximately 20 C The third LED turns on when the bath temperature reaches approximately 30 C The fourth
18. o whichever is sooner SteamScrubber amp FlaskScrubber Glassware Washers carry a two year warranty from date of installation or three years from date of shipment from Labconco whichever is sooner Blood Drawing Chairs carry a ten year warranty Carts carry a lifetime warranty Glassware is not warranted from breakage when dropped or mishandled This limited warranty covers parts and labor but not transportation and insurance charges In the event of a warranty claim contact Labconco Corporation or the dealer who sold you the product If the cause is determined to be a manufacturing fault the dealer or Labconco Corporation will repair or replace all defective parts to restore the unit to operation Under no circumstances shall Labconco Corporation be liable for indirect consequential or special damages of any kind This statement may be altered by a specific published amendment No individual has authorization to alter the provisions of this warranty policy or its amendments Lamps and filters are not covered by this warranty Damage due to corrosion or accidental breakage is not covered Returned or Damaged Goods Do not return goods without the prior authorization from Labconco Unauthorized returns will not be accepted If your shipment was damaged in transit you must file a claim directly with the freight carrier Labconco Corporation and its dealers are not responsible for shipping damages The United States Interstate Comm
19. of the Sample The volume and configuration of the suspension to be freeze dried often determines how the material will be freeze dried For example the greater the ratio of the surface area to the volume of the suspension the faster drying will occur This is because a greater area for the water molecules to leave the product exists compared to the distance they have to travel to reach the surface of the frozen matrix Drying occurs from the top of the product and initially the removal of water molecules is efficient However as the drying front moves down through the product drying becomes more and more difficult The water molecules must now travel 4 Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 1 Introduction through the dried portions of the product which impedes their progress As the drying front moves further and further down the matrix the application of heat to the product becomes more important Shell freezing as a method of prefreezing the product can increase the surface area to volume ratio by spreading out the frozen product inside the vessel Shell freezing is accomplished by rotating the vessel in a low temperature bath causing the product to freeze in a thin layer on the inside surface of the vessel The thickness of the frozen suspension depends on the volume of the product in comparison to the size of the vessel The diagram below shows how a Shell Freezer operates About Th
20. orizontal position Replace the bath compartment cover during shell freezing When the sample is completely frozen in the container remove the container from the bath compartment and freeze dry the sample or place it in a suitable storage freezer for future freeze drying Press the main power switch to turn shell freezer off If the Benchtop Shell Freezer is to be used for cold bath operation additional solvent may be added to submerge small flasks Do not fill pan more than 2 inches below the top of the stainless steel pan with vessels submerged Allow additional time for larger volumes of solvent to reach lower temperatures Always drain flammable solvents from the bath when the shell freezer is not in use and store the solvent in a suitable container This is accomplished by first pulling the drain hose out of the left side panel of the unit and then removing the drain plug Place the hose in a suitable container to collect the solvent 16 Product Service Domestic 1 800 522 7658 International 816 333 8811 CHAPTER 5 MAINTAINING YOUR BencHTOP SHELL FREEZER Under normal operation the Benchtop Shell Freezer requires little maintenance The following maintenance schedule is recommended As needed 1 Ifthe heat transfer liquid in the bath becomes contaminated drain and replace It is the user s responsibility to dispose of it in accordance with all applicable regulations 2 Clean up all spills 3 Clean the lid and gasket u
21. ried viruses and microorganisms Freeze drying is a process whereby water or other solvent is removed from frozen material by converting the frozen water directly into vapor without the intermediate formation of liquid water The basis for this sublimation process involves the absorption of heat by the frozen sample in order to vaporize the ice the use of a vacuum pump to enhance the removal of water vapor from the surface of the sample the transfer of water vapor to a collector and the removal of heat by the collector in order to condense the water vapor In essence the freeze dry process is a balance between the heat absorbed by the sample to vaporize the ice and the heat removed from the collector to convert the water vapor into ice Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 1 Introduction Freeze Dry Rates The efficiency of the freeze drying process is dependent upon the surface area and the thickness of the sample the collector temperature and vacuum obtained the eutectic point and solute concentration of the sample It is important to remember these factors when trying to obtain efficient utilization of your freeze dry system A listing of selected materials and their approximate drying times are shown in Table 1 for your reference Table 1 SAFE TEMPERATURE AND DRYING TIMES FOR SELECTED MATERIALS Material Safe Collector Hours 10mm Thick Temperature Temperature
22. sing a soft cloth sponge or chamois and a mild non abrasive soap or detergent Monthly 1 Check the drain hose and lid gasket and replace if they show signs of hardening permanent set or deterioration 2 Using a soft cloth sponge or chamois and a mild non abrasive soap or detergent clean the bath lid 3 Using a soft cloth sponge or chamois and a mild non abrasive soap or detergent clean the exterior surfaces of the unit Liquid spray cleaners and polishes may be used on the exterior Product Service Domestic 1 800 522 7658 International 816 333 8811 17 18 Chapter 5 Maintaining Your Benchtop Shell Freezer surfaces Do not use solvents to remove stains from the exterior surfaces as they may damage the finish Annually 1 Every 12 months or more often if the Benchtop Shell Freezer is operated in a dusty environment the refrigeration system condenser should be cleaned Using a vacuum cleaner and brush attachment clean the condenser to ensure proper airflow for peak performance It can be accessed by removing the front lower panel Product Service Domestic 1 800 522 7658 International 816 333 8811 APPENDIX SHELL FREEZER COMPONENTS The following pages list components that are available for your Benchtop Shell Freezer The parts shown are the most common replacement parts If other parts are required contact Product Service
23. that the solvent bath drain plug is securely installed in the drain hose 2 Remove bath compartment cover and add solvent to bath compartment Commonly used solvents are methanol or ethanol Recommended solvent depth is 1 4 to 1 2 above the top of the rollers approximately 2 liters If flammable solvents are used in the shell freezer bath be sure to keep away from open flame Electrical Connection H Plug the power cord into the receptacle on the back of the Benchtop Shell Freezer and plug the other end into a suitable power receptacle DO NOT ATTEMPT TO PLUG THE BENCHTOP SHELL FREEZER INTO A FREEZONE FREEZE DRY SYSTEM Solvent Safety Precautions Solvents used in the Benchtop Shell Freezer may be flammable or hazardous to your health Use extreme caution and keep sources of ignition away from the solvents Hazardous materials such as strong acids or bases radioactive substances and volatile organics must be handled carefully and promptly cleaned up if spilled If a sample is spilled it must immediately be cleaned up 12 Product Service Domestic 1 800 522 7658 International 816 333 8811 Chapter 3 Getting Started WARNING The disposal of substances used in connection with this equipment may be governed by various Federal State or local regulations All users of this equipment are urged to become familiar with any regulations that apply in the user s area concerning the dumping of waste materials i
24. um altitude 6562 feet 2000 meters Ambient temperature range 41 to 104 F 5 to 40 Maximum relative humidity 80 for temperatures up to 88 F 31 C decreasing linearly to 5096 relative humidity at 104 F 40 C Main supply voltage fluctuations not to exceed 10 of the nominal voltage Transient over voltages according to Installation Categories II Over voltage Categories per IEC 1010 Temporary voltage spikes on the AC input line that may be as high as 1500V for 115V models and 2500V for 230V models are allowed Used in an environment of Pollution degrees 2 i e where normally only non conductive atmospheres are present Product Service Domestic 1 800 522 7658 International 816 333 8811 Appendix C Shell Freezer Specifications Occasionally however a temporary conductivity caused by condensation must be expected in accordance with IEC 664 Product Service Domestic 1 800 522 7658 International 816 333 8811 23 Appendix Benchtop Shell Freezer Specifications Wiring Diagram 115V 60 Hz Model SAN x 0SZ6 N ZH OS AOOL ZH 09 ASH 3323363 T13HS WVYOVIG SNISIM OONOO28VI 00 SIS N d MOSN3S dW3l 2 E MiriiIIIL B Eos AINO 39N3833389 3803 V9d 310N LINN SNIDIA343S OL 3O0l3d 3980n0S 33MOd NO34 103NNOOSIQ ONINSVM LOSZ6EZ N d SS3NYVH 91 3323343 113HS 055384 2 a Nd INOX
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