VWR 471-1252 Instruction Manual Download

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Version 01 Issue 02/2022

Instruction Manual

VWR

ULT Freezer

352/528 Eco Premium

EU cat. No. 471-1252 / 471-1253

NA cat. No. 76514-174 / 76514-176

Summary of Contents for 471-1252

Page 1: ...Version 01 Issue 02 2022 Instruction Manual VWR ULT Freezer 352 528 Eco Premium EU cat No 471 1252 471 1253 NA cat No 76514 174 76514 176 ...

Page 2: ...ernational bv Researchpark Haasrode 2020 Geldenaaksebaan 464 B 3001 Leuven 3216385011 be vwr com UK Importer VWR International Ltd Hunter Boulevard Magna Park Lutterworth Leicestershire LE17 4XN uk vwr com United States VWR International LLC 100 Matsonford Rd Radnor PA 19087 1 800 932 5000 www vwr com Country of Origin Germany ...

Page 3: ...ng instructions by operator 18 2 7 Measures to prevent accidents 18 3 CHAMBER DESCRIPTION 19 3 1 Chamber overview 20 3 2 Main power switch 22 3 3 Chamber rear 23 3 4 Doors 24 3 4 1 Outer door 24 3 4 2 Compartment doors 24 3 4 3 Controller housing 24 3 4 4 Door handle with door lock and eyelets for padlock 25 3 5 Drain well for condensate during defrosting with deicing kit option 26 4 COMPLETENESS ...

Page 4: ... DELAY SETTINGS 50 14 1 Setting the delay time for door open alarm 50 14 2 Setting the delay time for tolerance range alarm 50 14 3 Setting the temperature tolerance range 51 15 ALARM FUNCTIONS 51 15 1 Alarm messages 51 15 2 Information messages 53 15 3 Activating deactivating the audible alarm alarm buzzer 53 15 4 Required actions in case of an alarm 54 15 4 1 Safety controller temperature alarm ...

Page 5: ... 68 21 2 Cryo boxes 68 22 CLEANING AND DECONTAMINATION 69 22 1 Cleaning 69 22 2 Decontamination chemical disinfection 71 23 MAINTENANCE AND SERVICE SERVICE TROUBLESHOOTING REPAIR TESTING 72 23 1 General information personnel qualification 72 23 2 Maintenance intervals service 72 23 3 Maintenance work by the user 73 23 3 1 Checking and cleaning replacing the condenser air filter 73 23 3 2 Cleaning ...

Page 6: ...s injuries and chamber damage Risk of death Observe the safety instructions in this Operating Manual Follow the operating procedures in this Operating Manual Carefully read the complete operating instructions of the chamber prior to installing and using the chamber Keep the operating manual for future reference Make sure that all persons who use the chamber and its associated work equipment have r...

Page 7: ...nd workmanship for a period of two 2 years from date of delivery plus additional 3 years on the compressor If a defect is present VWR will at its option and cost repair replace or refund the purchase price of this product to the customer provided it is returned during the warranty period This warranty does not apply if the product has been damaged by accident abuse misuse or misapplication or from...

Page 8: ...injury WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious irreversible injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in moderate or minor reversible injury NOTICE Indicates a potentially hazardous situation which if not avoided may result in damage to the product and or its functions or of a propert...

Page 9: ...xplosive atmosphere Biohazard Stability hazard Risk of corrosion and or chemical burns 1 4 5 Prohibitory symbols used in this manual Do NOT touch Do NOT spray with water Do NOT climb 1 4 6 Imperative symbols used in this manual Mandatory regulation Environment protection Read operating instructions Wear protective gloves Disconnect the power plug Wear safety goggles Lift with mechanical assistance...

Page 10: ...wing labels are located on the chamber Pictograms Warning signs Information Very cold surface Risk of freezing Energy Star Symbol Risk of injury Observe the safety instructions in the operating manual Flammable refrigerants only UL chambers VWR ULT Freezer Front VWR ULT Freezer rear view Figure 1 Position of labels on the VWR ULT Freezer Keep safety labels complete and legible Replace safety label...

Page 11: ...current 230 V 50 Hz Nominal voltage 10 at the indicated power frequency 1 N Current type Max operating pressure 28 bar Max operating pressure in the refrigerating system Stage 1 R290 0 15 kg Cooling 1st stage Refrigerant type filling weight Stage 2 R170 0 15 kg Cooling 2nd stage Refrigerant type filling weight Contains hydrocarbon gases Contains hydrocarbon gases Nominal temp 86 C 1 60 kW 9 0 A Ma...

Page 12: ...next to the type plate to the left side of the chamber bottom right hand Figure 4 Sticker with UKCA Importer details Symbol on the sticker Symbol Applies to Information All models except UL models UKCA conformity marking 2 Safety 2 1 Personnel Qualification The chamber must only be installed tested and started up by personnel qualified for assembly startup and operation of the chamber Qualified pe...

Page 13: ...a chamber de fect Alteration of the environment Ensure sufficient ventilation of the installation site Do not install or operate the chamber in hazardous locations DANGER Danger of explosion due to combustible dusts or explosive mixtures in the vicinity of the chamber Serious injury or death from burns and or explosion pressure Do NOT operate the chamber in potentially explosive areas KEEP combust...

Page 14: ...hamber in a splash proof manner The chambers were produced in accordance with VDE regulations and were routinely tested in accordance to VDE 0411 1 IEC 61010 1 The inner surfaces become very cold during operation CAUTION Danger of injury by freezing on when touching cold chamber parts during or after operation Local frostbite Do NOT directly touch the inner surfaces or the charging material during...

Page 15: ...components of the charging material must be able to form an explosive mixture with air Any component of the charging material must NOT be able to release toxic gases The chamber does not dispose of any measures of explosion protection DANGER Explosion or implosion hazard and danger of poisoning through the introduction of unsuitable loading material Poisoning Serious injury or death from burns and...

Page 16: ...ormation and warnings on the chamber e g control unit messages safety iden tifiers warning signals Installation startup operation maintenance and repair by untrained insufficiently qualified or unau thorized personnel Missed or delayed maintenance and testing Non observance of traces of wear and tear Insertion of materials excluded or not permitted by this Operating Manual Non compliance with the ...

Page 17: ... chamber Installation of a chamber with damaged power cord Inappropriate site of installation Missing protective conductor connection Normal operation Assembly errors Contact with cold surfaces on the housing and on the doors Emission of non ionizing radiation from electrical operating resources Contact with live parts in normal state Cleaning and Decontamination Penetration of water into the cham...

Page 18: ...g manual chap 1 6 Operating manual An operating manual is available for each chamber Temperature monitoring The chamber has a temperature display which can be read from outside An additional temperature safety device is built into the chamber A visual and an audible signal buzzer show exceeding of the temperature Safety measurement and control devices The safety measuring and control devices are e...

Page 19: ...buildup of ice in the door area is minimal due to perfect closing of the inner and outer doors Precise spatial distribution of the cold in the interior ensures storage of all samples at an identical storage temper ature The prevention of thermal bridges protects against defrosting The combination of vacuum insulation panels V technology and CFC free polyurethane foaming maximizes the cold storage ...

Page 20: ...e 20 86 3 1 Chamber overview A B C D E F Figure 5 VWR ULT Freezer 528 Eco Premium front view A Outer door B Controller housing C Door handle D Compressor housing E Air filter flap checking and cleaning replacing the filter chap 23 3 1 F Castors front castors lockable by breaks ...

Page 21: ...ium open A Outer door C Door handle D Compressor housing E Air filter flap checking and cleaning replacing the filter chap 23 3 1 F Castors front castors lockable by breaks G Compartment with variable shelf H Compartment door I Pressure compensation valve inside of the door behind the controller housing A H C I G H D E F ...

Page 22: ...key and then removed J K1 K Standard chamber Chamber with Lockable main switch option Figure 7 Position of the main power switch and the lockable protective flap option on the right side of the chamber J Main power switch K Lockable protective flap for the main power switch optional K1 Key lock of the optional lockable protective flap Off On Figure 8 Main power switch J on the right side of the ch...

Page 23: ...9 Chamber rear L1 28 mm access port e g for cable of a supplementary measuring device L2 28 mm access port e g for cable of a supplementary measuring device M Connection panel with Ethernet interface and connection socket for zero voltage relay alarm contact N Connecting socket for IEC connector plug with strain relief ...

Page 24: ...oving the samples of an individual compartment without remarkably affect temperature in the other compartments The compartment doors remain closed by magnetism when opening the outer door without need for closing them mechanically Open the inner doors as shortly as possible to avoid a temperature rise inside the freezer The maximum angle of aperture is 100 For the additional thermal insulation and...

Page 25: ...ition Figure 11 Positions of the door handle C Figure 12 Door handle C with door lock and eyelets for padlock O Door lock P Eyelets for padlock Operating the door lock Lockable door handle Chambers are equipped with a door lock O which is located in the door handle Two keys are included To lock the door lock turn the key clockwise The key can be removed in both positions open locked You can use th...

Page 26: ...e chamber Attach the drain well to the freezer Its first level rests on the lower housing panel The gasket is aligned to the bottom edge of the freezer interior Figure 13 VWR ULT Freezer with drain well option While defrosting use adhesive tape to keep the door in drain off position right above the drain well Now the melted condensate flows into the drain well Place a reservoir below the hole at t...

Page 27: ...hen stand upright for at least 24 hours before turning on Lift the chamber using technical devices fork lifter from the pallet Set the fork lifter laterally or from the rear in the middle of the chamber Make sure to place all the lat eral supports of the chamber on the forks check the fork protrudes at the opposite chamber side Wear suitable shoes safety shoes The final tests of the manufacturer m...

Page 28: ...urs until putting it into operation again As soon as the chamber has reached its destination lock the front castors Wear suitable shoes safety shoes when moving the freezer Over very short distances within reach of the power cable you can move the freezer while operating If you turned off the chamber turning off at the main power switch pulling the power plug wait at least 10 minutes after moving ...

Page 29: ...he forks check the fork protrudes at the opposite chamber side Transport chambers ONLY with the original transport pallet Set the fork lifter only to the pallet Without the pallet the chamber is in imminent danger of overturning Wear suitable shoes safety shoes Permissible ambient temperature range for transport 10 C 14 F to 60 C 140 F For transport packaging and rolling pallets for transportation...

Page 30: ... substantially higher than the indicated ambient temperature of 22 3 C 71 6 F 5 4 F to which the specified technical data re late For other ambient conditions deviations from the indicated data are possible Prevent the freezer from sucking warm air from other devices Avoid direct solar radiation on the chamber Do not place the freezer in direct vicinity of chambers with a high heat emission Permis...

Page 31: ...nd that the operator of the freezer provides the relevant information for safe operation of the chamber in a set of operating instructions Keep the set of operating instructions with the chamber at all times in a place where they are clearly visible They must be comprehensible and written in the language of the employees 5 2 Spacers for rear wall distance Please fix both spacers with the supplied ...

Page 32: ...bars Insert the shelves and screw them with a Phillips screwdriver to the shelf holders Figure 17 Inserting the shelf holders Figure 18 Screwing the shelves to the shelf holders Recommended shelf position for optimal use of space Position of 3 shelves to obtain the maximum sample storage space 2 compartments with a ceiling height of 334 mm 13 15 in for racks 6x4 HXD 2 compartments with a ceiling h...

Page 33: ...eiling height Insert the shelf holders into the following positions of the shelf holder bar starting from the bottom 13 29 42 58 Permitted shelf loads Chamber size referring to the max quantity of 2 boxes 352 528 Permitted load of individual shelf regular kg lbs 50 110 50 110 Permitted total load of all shelves regular kg lbs 200 441 200 441 If the upper shelf is loaded with maximum load a minimum...

Page 34: ...chambers Use only a UL Listed Power supply cord UL category ELBZ SJT 3x14 AWG 2 08 mm C13L For outside USA use a certified power supply cord according to national requirements Prior to connection and start up check the power supply voltage Compare the values to the specified data located on the chamber s type plate located on the left hand side of the chamber bottom right hand chap 1 6 NOTICE Dang...

Page 35: ...nformation Temperature Figure 19 Normal display of the chamber controller sample values Status icons in the controller display Icon Signification Icon Signification Door open Collective alarm Do not open the door Refrigeration active Information Display of activated special controller functions 3 Service setpoint active Functional controller keys Icon Signification Function Arrow up button Navigat...

Page 36: ...e respective functions is blocked and only available after entering the correct password Menu Required access level Functions Setpoints User Temperature set point setting Setting the safety controller Activating deactivating the service setpoint Chamber info Any user Configuration display setup information controller hard ware and software Display of interface configuration e g MAC address IP addr...

Page 37: ...ged in the corresponding menus Temperature set point 80 C 112 F Safety controller mode Set point type Limit Safety controller value 50 C 58 F Maximum permitted deviation from the temperature set point for tolerance range alarm 5 K Alarm delay time after opening the door 1 minute Alarm delay time after leaving the tolerance range Following opening the door or chamber startup the tolerance range ala...

Page 38: ...wn in the display the intended operation of the chamber will not be ensured 8 Temperature set point entry Required access level User Setting and control range 50 ºC 58 F up to 86 C 122 8 F To set a lower setpoint value for test purposes or for adjustment you can enter and activate a service setpoint chap 19 This setting is outside the control range and is not intended for normal operation Path Nor...

Page 39: ...6 3 The inner surfaces become very cold during operation Always wear protective gloves when opening the freezer and bringing in or removing material CAUTION Danger of injury by freezing on when touching cold chamber parts during operation Local frostbite Do NOT directly touch the inner surfaces or the charging material during operation AVOID skin contact with the inner surfaces and accessory equip...

Page 40: ...ated Functions on off Press the OK button to access the first individual function With the arrow down button you can proceed to the subsequent functions The functions 1 2 and 4 are not available with this chamber type Function 3 Service setpoint on off Activating the service setpoint chap 19 2 Press the OK button to enable the setting of the desired function and select the function s switching sta...

Page 41: ...ght two digits are flashing Enter the desired numbers with the arrow buttons Confirm the setting with the OK button Password Upon entering an incorrect password the message Wrong password is displayed Display Wrong password After 3 seconds the controller changes again to the password entry Enter the correct password Wrong password Following correct password entry you can access the desired menu fu...

Page 42: ...th the arrow down button you can now proceed to enter the Admin password With the Back button you can go back to the Chamber submenu and repeatedly pressing it to Normal display 11 2 2 Assign and modify the Admin password Path Normal display Settings Chamber Password Admin Press the OK button to enable the setting Setting the Admin password The left two digits are flashing Enter the desired number...

Page 43: ...n The overtemperature safety controller serves to protect the chamber its environment and the contents from exceeding the maximum permissible temperature In the case of an error it limits the temperature inside the chamber to the entered safety controller value This condition state of alarm is indicated visually and additionally with an audible alert if the buzzer is enabled chap 15 3 The alarm pe...

Page 44: ...k button you can go back to the Safety controller submenu and repeatedly pressing it to Normal display 12 2 Setting the safety controller value Required access level User The desired safety controller mode must be selected first chap 12 1 Depending on the mode setting one of the following setting menus will appear Path Normal display Setpoints Safety controller Limit or Offset Press the OK button ...

Page 45: ...nner chamber temperature has already cooled down below the safety controller value when press ing the OK button the alarm message Safety controller and the Collective alarm icon are reset together with the buzzer If the state of alarm is still active when pressing the OK button i e the inner chamber temperature is still above the safety controller value first only the buzzer is reset The alarm mes...

Page 46: ...amber Press the OK button to enable the setting Setting the menu language example English The current setting flashes Use the arrow buttons to select the de sired language Confirm the entry with the OK button Language With the arrow down button twice you can now change to the temperature unit setting With the Back button you can go back to the Chamber submenu and repeatedly pressing it to Normal d...

Page 47: ...the arrow buttons Confirm the entry with the OK button Date Setting the date year The left two digits are flashing Enter the first two digits of the current year with the arrow buttons Confirm the entry with the OK button Date Setting the date year The right two digits are flashing Enter the last two digits of the cur rent year with the arrow buttons Confirm the entry with the OK button Date With ...

Page 48: ...u and repeatedly pressing it to Normal display 13 5 Function Language selection at restart If the function Language selection at restart is activated menu language date time and temperature unit are checked with every startup of the chamber At this occasion it is also possible to modify them with User access level Required access level Admin Path Normal display Settings Chamber Language selection ...

Page 49: ...down button you can now change to the next parameter display brightness With the Back button you can go back to the Chamber submenu and repeatedly pressing it to Normal display 13 7 Display brightness Required access level Admin Path Normal display Settings Chamber Brightness Press the OK button to enable the setting Setting the display brightness The current setting flashes Enter the desired valu...

Page 50: ...ath Normal display Settings Various Door alarm delay min Press the OK button to enable the setting Setting the door alarm delay The current setting flashes Use the arrow buttons to enter the desired time after which the door open alarm shall be triggered Entry range 1 up to 600 minutes Factory setting 1 minute Confirm the entry with the OK button Door alarm delay min With the arrow down button you...

Page 51: ...ning in non supervised continuous opera tion we strongly recommend in case of inclusion of irrecoverable specimen or samples to split such specimen or samples and store them in at least two chambers if this is feasible In the event of equipment failures when the temperature deviates from the set tolerance range limits optical and if activated acoustic alarm messages are given out via the controlle...

Page 52: ...temperature sensor Inner temp sensor immediately Safety controller temperature sen sor defective Safety control sensor immediately Inner temperature sensor and safety controller temperature sen sor defective Refrigeration is turned on permanently Temperature display shows or or Messages alternating Inner temp sensor and Safety control sensor immediately Failure of Pt100 temperature sen sor on the ...

Page 53: ...ages overview Condition Information message Moment of information message Service setpoint is active Service setpoint active immediately 15 3 Activating deactivating the audible alarm alarm buzzer Path Normal display Settings Chamber Audible alarm Press the OK button to enable the setting Setting the audible alarm The current setting flashes Use the arrow buttons to select between ON and OFF Confi...

Page 54: ...ct sunlight Ensure sufficient ventilation around the installation location to prevent any buildup of heat in the chamber If these points do not reveal the source of the fault it may be that the chamber is faulty Please contact Avantor Services 15 4 2 Temperature tolerance range alarm too high and too low temperature The tolerance range alarm becomes valid only after the setpoint has been reached W...

Page 55: ...e same alarm recurs please contact Avantor Services 15 4 3 Door open alarm The open and closed condition of the chamber door is controlled via the door contact switch The temper ature rise when the door is opened causes the refrigerating machine to turn on When the door is opened the alarm occurs after the defined delay time chap 14 factory setting 1 minute Alarm message Door open collective alarm...

Page 56: ...ensor alternating collective alarm icon Cause both the temperature sensors for interior measurement and the safety controller are defective Refrigeration is turned on permanently Failure of temperature sensors of the refrigerating machine Alarm message Condensate temp sensor collective alarm icon Cause defective temperature sensor on the condenser of the refrigerating machine Alarm message Cascade...

Page 57: ...is no alarm contact C closes with contact NO When the chamber is turned off or if there is an active alarm contact C closes with contact NC Maximum loading capacity of the switching contacts 24V AC DC 2 0 Amp DANGER Electrical hazard through overload of switching contacts Deadly electric shock damage to switching contacts and connection socket Do NOT exceed the maximum switching load of 24V AC DC ...

Page 58: ...o Ethernet MAC address Display of the MAC address exam ple Toggle forth and back with the Back button and the OK button MAC address 00 00 00 00 00 00 With the arrow down button you can now change to the next parameter IP address With the Back button you can go back to the Ethernet submenu and repeatedly pressing it to Normal display 16 1 2 Showing the IP address Path Normal display Chamber info Et...

Page 59: ...Standard gateway Display of the standard gateway ex ample Toggle forth and back with the Back button and the OK button Standard gateway 0 0 0 0 With the arrow down button you can now change to the next parameter DNS server address With the Back button you can go back to the Ethernet submenu and repeatedly pressing it to Normal display 16 1 5 Showing the DNS server address Path Normal display Chamb...

Page 60: ...ignment has been selected Assigning the IP address chap 16 2 3 Assigning the subnet mask chap 16 2 4 Assigning the standard gateway chap 16 2 5 If manual IP address assignment or manual DNS server address assignment has been selected Assigning the DNS server address chap 16 2 6 16 2 1 Selecting the type of IP address assignment automatic manual Path Normal display Settings Ethernet IP address assi...

Page 61: ...ddress assignment has been selected chap 16 2 1 Path Normal display Settings Ethernet IP address Press the OK button to enable the setting The IP address entry is done in four steps corresponding to the number sections 1 2 3 4 Principle of entry Use the OK button to select the desired section of the IP address 1 4 2 4 3 4 4 4 in the upper display line Use the Arrow buttons to enter the value for t...

Page 62: ... subnet mask For details please refer to the description of the similar procedure in chap 16 2 3 Assigning the IP ad dress With the arrow down button you can now change to the enter the standard gateway With the Back button you can go back to the Ethernet submenu and repeatedly pressing it to Normal display 16 2 5 Setting the standard gateway Access to this function is possible only if manual IP a...

Page 63: ...corder An internal data recorder saves chamber data and events in three data sets With the export function Export recorder data chap 18 3 you can save the three data sets via the USB interface to USB stick They are issued in the selected language as a spreadsheet with the file extension csv and can be further processed in the desired program The data is unencrypted Always the entire data memory is...

Page 64: ...play Settings Data recorder Storage interval Press the OK button to enable the setting Function Storage interval The current setting flashes Use the arrow buttons to enter the de sired storage interval Setting range 1 minute to 60 minutes Factory setting 1 minute Press the OK button to confirm the setting Storage interval With the Back button you can go back to the Data recorder submenu and repeat...

Page 65: ...he Service folder is created on the USB stick and can be sent Avantor Services In addition to the configuration and recorder data it contains further service relevant information 18 1 Connecting the USB stick Connect the USB stick to the interface located in the controller housing Connect only USB sticks to the USB interface The USB stick must be formatted with FAT32 and have at least 8GB of memor...

Page 66: ...ntroller to the USB stick press the OK button Export recorder data With the arrow down button you can now change to the next function Function Export service data To write the chamber data from the controller to the USB stick press the OK button Export service data 18 4 Ongoing data transfer A moving arrow symbol indicates the progress of the data transfer Example Data recording is running Export ...

Page 67: ...tside the control range and is not intended for normal operation Once the service setpoint has been activated the standard temperature setpoint will have no effect Only after deactivating the service setpoint the chamber will equilibrate again to the standard temperature set point 19 1 Setting the service setpoint Required access level Admin Path Normal display Settings Various Service setpoint Pr...

Page 68: ...y Normal display with the information message Service setpoint ac tive Service setpoint activ The service setpoint will remain active until manually deactivating function 3 Service setpoint on off 20 Data monitoring and recording 20 1 Ethernet interface The chamber is regularly equipped with an Ethernet interface in the rear connection panel M The MAC Address is indicated in the Ethernet controlle...

Page 69: ...ues of the charging material Wipe the surfaces with a moistened towel In addition you can use the following cleaning agents apply on a cloth Exterior surfaces door handle controller housing with control ler panel interior stainless steel shelves door gaskets Standard commercial cleaning detergents free from acid or halides Alcohol based solutions We recommend using a neutral cleaning agent Connect...

Page 70: ...h every cleaning method always use adequate personal safety controls Following cleaning leave the chamber door open or remove the access port plugs Neutral cleaning agents may cause health problems in contact with skin and if ingested Follow the operating instructions and safety hints labeled on the bottle of the neutral cleaning agent Recommended precautions To protect the eyes use sealed protect...

Page 71: ...pray may cause eye damage due to chemical burns Follow the operating instructions and safety hints labeled on the bottle of the disin fectant spray Recommended precautions To protect the eyes use sealed protective goggles CAUTION Danger of chemical burns through eye contact with the disinfectant spray Eye damage Environmental damage Do NOT empty the disinfectant spray into drains Wear protective g...

Page 72: ...equirements please contact Avantor Services Repair Repair of the chamber can be performed by Avantor Services or by service partners or technicians qualified by Avantor After maintenance the chamber must be tested prior to resuming operation Electrical testing To prevent the risk of electrical shock from the electrical equipment of the chamber an annual repeat inspection as well as a test prior to...

Page 73: ...k is conducted by non authorized personnel With an increased amount of dust in the ambient air clean the condenser fan by suction or blowing several times a year Check the condenser air filter frequently and clean replace it if necessary chap 23 3 1 We recommend taking out a maintenance agreement Please consult Avantor Services 23 3 Maintenance work by the user 23 3 1 Checking and cleaning replaci...

Page 74: ...nd remove the dust by suction from the condenser lamellas 23 3 3 De icing and defrosting We recommend for material that could be damaged already by slight warming to provide ad equate storage facilities e g in a second chamber with liquid nitrogen Ice may form in the upper area of the freezer and on the interior doors Excessive frost may lead to increas ing the inner chamber temperature Remove the...

Page 75: ...ower switch J Operate the chamber for at least 9 hours Then introduce the material into the freezer Turn on external protocol systems if applicable When defrosting water may accumulate on the shelves and the bottom Procedure to remove it Carry the water from the freezer shelves and bottom with the wiper into the drain well option chap 3 5 Then dry all inner chamber equipment with an absorbent towe...

Page 76: ...just ment interval exceeded Calibrate and adjust controller Door not shut tightly Check if doors are closed Frost on door gasket Defrost the door gasket with the ice scraper Door gasket defective Contact Avantor Services Door opened very frequently Open doors less frequently Place of installation too warm Select cooler place of installation or contact Avantor Services Introduction of too warm or t...

Page 77: ...oller defective Alarm message Compressor defective Cooling system error Turn off the chamber and contact Avantor Services Condenser fan defective Alarm message Condenser temp Condenser air filter soiled Clean replace the condenser air filter chap 23 3 1 Condenser soiled Clean the condenser chap 23 3 2 Ventilation slots are blocked Make sure to have free air ac cess to the device at the front and b...

Page 78: ...lug Let the chamber defrost chap 23 3 3 Temporal decommissioning See indications for appropriate storage chap 4 4 Final decommissioning Dispose of the chamber as described in chap 25 2 When restarting the chamber please pay attention to the corresponding information in chap 7 2 25 Disposal 25 1 Disposal of the transport packing Packing element Material Disposal Straps to fix packing on pallet Plas...

Page 79: ...and documentation 26 Technical description 26 1 Factory calibration and adjustment The chambers were calibrated and adjusted in factory Calibration and adjustment were performed using standardized test instructions according to the QM DIN EN ISO 9001 system applied by the manufacturer All test equipment used is subject to the administration of measurement and test equipment that is also a constitu...

Page 80: ...10 Permitted total load kg lbs 200 441 200 441 Quantity of stainless steel racks per level 4 6 Max quantity of cryo boxes 50 mm 2 inch 352 528 Max quantity of cryo boxes 75 mm 3 inch 224 336 Temperature data Setting and control range C F 86 up to 50 123 up to 58 86 up to 50 123 up to 58 Temperature uniformity variation at 80 C 112 F K 2 5 2 5 Temperature fluctuation at 80 C 112 F K 1 5 1 5 Pull do...

Page 81: ...Noise level mean value dB A 47 47 Energy consumption at 80 C 112 F with an ambient temperature of 25 C 77 F 10 kWh day 7 9 8 1 Filling weight of refrigerant R290 propane 1st stage cooling GWP 3 kg 0 15 0 15 Filling weight of refrigerant R170 ethane 2nd stage cooling GWP 6 kg 0 15 0 15 All technical data is specified for chambers with unloaded standard equipment at an ambient temperature of 22 C 3 ...

Page 82: ...eplaced in the event of failure with original spare parts The user is responsible for any risks arising from using unauthorized accessories compo nents Chamber size referring to the max quantity of 2 boxes 352 528 Description EU Cat no NA Part no EU Cat no NA Part no Compartment door insulated 471 1254 76509 446 471 1255 76509 448 Stainless steel shelf set 1 shelf with shelf holders 471 1259 76509...

Page 83: ...vwr com I Instruction manual VWR ULT Freezer 352 528 Eco Premium 02 2022 Page 83 86 26 6 Dimensions of VWR ULT Freezer 352 Eco Premium Dimensions in mm ...

Page 84: ...vwr com I Instruction manual VWR ULT Freezer 352 528 Eco Premium 02 2022 Page 84 86 26 7 Dimensions of VWR ULT Freezer 528 Eco Premium Dimensions in mm ...

Page 85: ...uction manual VWR ULT Freezer 352 528 Eco Premium 02 2022 Page 85 86 27 Certificates and declarations of conformity EU Declaration of Conformity and UK Declaration of Conformity can be downloaded at https www vwr com ...

Page 86: ...Business Park Ballycoolin Dublin 15 Tel 353 01 88 22 222 Email sales ie vwr com Italy VWR International S r l Via San Giusto 85 20153 Milano MI Tel 39 02 3320311 02 487791 Email info it vwr com Korea Avantor Performance Materials Korea Ltd 2F ACE Gwanggyo Tower I Daehak 4ro 17 Yeongtong gu Suwon Korea 16226 Tel 82 31 645 7250 saleskorea avantorsciences com Mexico VWR International S de R L de C V ...

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