Ultra-Low Temperature Freezers
Contents
1. 9 2 Chest Freezers Model No C585 C760 Part No U9400 0000 0002 0001 U9410 0002 0001 Type Chest Chest Internal Dimensions N A N A Height x Width x Depth External Dimensions N A N A Height x Width x Depth Capacity N A N A Net Weight N A N A Lock N A N A No Compartments N A N A Interior N A Alarms N A Insulation Material N A Remote alarm port N A N A RS 485 interface N A N A e 115V electrical supply N A N A e 220V electrical supply N A N A e 240V electrical supply N A N A Power Source USA N A N A Power Source USA N A Power Source EU N A Current Rating USA N A N A Current Rating USA N A N A Current Rating EU N A N A Pull Down Time N A N A From 25 C to 85 C freezer empty 240V 50Hz electrical supply Operational Parameters e Indoor use All freezers use components tested See Sc E to CE amp UL specifications Maximum Gm Ne 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C Power supply voltage fluctuations not to exceed 10 of the nominal voltage Installation category II Pollution degree 2 120V 220V TBA Freezer set to 80 C empty ambient 20 25 C at rated electrical supply New Brunswick Scientific User s Guide 48 10 DRAWINGS NOWWOD Jna NO 3500 ES 13 NO MAD E JNV 31038 uvs g ANBLLYE SA HU O VABILLVE XWW mm CD 83030338 LYVHI Models U360 U535 U725 C585 amp2. D i Y Set BEHIND PANEL ADJUSTABLE FEET BATTERY SWITCH CALARM VOLTAGE STABILIZER OPTION ON OFF CIRCUIT BREAKER BEHIND LOCKABLE PANEL 2 1 1 Freezer Handles The freezers are supplied with lockable handles The U101 C585 and C760 models are fitted with quarter turn key locks The U360 U535 and U725 upright freezer handles are fitted with push barrel locks push in amp turn to lock turn key to unlock An optional padlock adaptor can provide extra security by allowing the addition of a customer supplied padlock to secure the freezer handle XA NOTE NEVER SLAM ANY FREEZER S DOORLLID particularly with the handle in the closed position The door handles have a cam action to pull the door lid closed When closing the outer door lid ensure that the cam is engaged for correct operation The initial vacuum inside the cabinet may cause the door to appear closed but when the vacuum releases the door may open Always ensure the handle is properly engaged 2 1 2 Voltage Stabilizer Certain freezer models have the option of being fitted with an automatic voltage stabilizer See Section 4 12 for details M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 15 3 INSTALLATION amp SETUP A WARNING DO NOT attempt to lift any freezer by hand Preferred lifting for loading and unloading is by hydraulic lift IN CAUTION Maintenance adjustment and repair work should b
3. C760 BOSS38dHDI Figure 11 115V 60 Hz Circuit Diagram Schematic NMDHS SY SYNDI0I 2B r2 28 91 HIV3HS JAd 0318 1891 38 DI JBI S31DN vaso oe 3UYdS 1 YILY3H 3 30 831713 SNIVH STE 31110 W3ZITIgVIS A 134305 21w0mtg d 3 HILIMS INVSBH3H Euros IHIVIIH 13NWA AYIHSI0 037 SOLSIANI sr BBBIV YOLINON 1D81NDJ er HL3 SBr54 2 O ONYox3 J E 1MO 1M3 P H g ma woe u 173 CT h nase i SI Se Ga ES User s Manual M1288 0070 U360 Ultra Low Temperature Freezer 49 Ic Schemati ircuit Diagram 230V 50Hz C Models U360 U535 U725 C585 amp C760 Figure 12 8 Ss 5 z RB S 3 F HIJIMS 3NV BH3H HDH a N3dD W000 5 SS KI 3 174 NO 35077 O AR BA gu E he 3 Iva ND Wan O ADS 3Urd5 1 2 u 4n 3 31DH3H z d f EDENFIdS IHIVLIH i a 73N d AV1dSI U 0371 uvs AG eel AY3LLWB HD BIS pBBIV AVM Ge SOLINON DH1NDJ er er wr Q Q HILINS zz mas ams O NAN311VB DIE 2 x 25d EA Dei ONYoX3 NDIL AD 830830338 1e8vHI VH 153 3503 vans 831Y3H 20 20 J EBI 1nD 1n3 831113 SNIVH vi 253 E 18 1 35N 3 STT 12 ooo 308n5 Gi ee SR Pa a lt 0 6 5 NBI TGA ma E A gy Eee zH 25 Jv ABr pez 13 Ceo D O l NHDHS SV S8no10 B r 28 91 HIV3HS JAd D3LV8 181 38 DI 34Bv3 L 531DN NYS YIAVINS LII HILIMS User s Guide New Brunswick Scientific 5
4. Chart Recorder Paper 100 K0540 0025 Chart Recorder Pens 3 K0660 0051 7 1 4 Ethernet RS 485 Data 8 Computer Interface The freezers can be supplied with an RS485 Ethernet interface as an optional communication package that allows for data acquisition from the freezer s operating system M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 45 8 SPARE PARTS XA NOTE Only NBS appoved engineers may service these Ultra Low Temperature Freezers For information on the availability of spare parts please call your local NBS equipment supplier e Number Freezer Model s Battery 6V 5 Ah P0625 0970 All Fuse 1A ceramic pack of 5 K0380 0565 All Fuse 800mA pack of 5 K0380 0560 All Fuse 1x1 4 13A pack of 5 K0380 0570 All UK onl Key Only for Power Switch Locking Plate P0625 0111 All Key Only for Black Plastic Door Handle P0625 0640 Upright models Key amp Lock for Black Plastic Door Handle P0625 0113 Upright models Key amp Lock for Power Switch Plate K0160 0082 All Power Switch Locking Plate Assembly charcoal P0625 0170 All except U101 Power Switch Locking Plate Assembly light grey K0160 0085 U101 Power Cord 230V 50 Hz UK P0625 0357 All Power Cord 230V 50 Hz European Schuko P0625 0356 All Power Cord 115V 60 Hz P0625 0355 U101 Power Cord 115V 60 Hz P0625 0354 All except U101 Power Cord 208 220V 60 Hz P0625 0353 A
5. SIR EN EVA E E SA E E O e E Pe has a aa 47 10 LTE SEL 48 10 1 INDEXOE DRAWINGS kauen am ut ne EES 50 10 27 INDEXOF TABLES cta dalla 50 11 INDE GEN 51 M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 11 1 INSPECTION amp UNPACKING OF EQUIPMENT 1 1 Inspection of Boxes Packaging After you have received your order from New Brunswick Scientific inspect the boxes packaging carefully for any damage that may have occurred during shipping Report any damage immediately to the carrier and to your local NBS Sales Order Department 1 2 Packing List Verification Unpack your order saving the packing materials for possible future use Also be sure to save the User Manual for instruction and reference Verify against your NBS packing list that you have received the correct materials and that nothing is missing If any part of your order was damaged in transit is missing or fails to operate please fill out Customer Satisfaction Form 6300 and return it by fax or mail You can also call the New Brunswick Scientific Service Department or your local NBS representative AN caution Inspect the freezer cabinet panels for punctures or other damage that could compromise the integrity of the freezer Any unauthorized punctures or other damage deliberately made to the cabinet walls will invalidate the warranty New Brunswick Scientific User s Guide 12 2 INTRODUCTION OVERVIEW This manual provides the
6. and to upload new revisions to the system s firmware 4 10 Removal amp Reinstallation Should it be necessary to relocate the freezer at any time care should be taken when moving it DO NOT tilt the freezer and avoid giving the freezer any bumps or shocks as this can displace the hermetically sealed compressors from their suspension system WARNING These freezers are very heavy Do not attempt to lift any freezer by hand Always ask a trained operator to use mechanical lifting equipment Be sure to wear protective gloves at all times when handling ultra low temperature items 4 11 General Functional Guidelines 4 11 1 Safety Alarms In order to avoid accidentally disabling the alarm system the sytem is designed to prevent the user under specific conditions related to power cycles and changes in setpoints from turning the alarm system off The system will trigger the temperature alarms if the freezer temperature is outside the alarm temperature setpoints when any of the following occurs e Initial System Start up e Power Failure then return to operation e Temperature Setpoint Change The alarm can be muted until the freezer returns to within the alarm setpoints M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 35 4 11 2 4 11 3 4 12 4 12 1 Power Failure If power cannot be restored in a timely fashion the audible alarm and controller display power can be permanently disabled by
7. freezer cabinet The operational alarms warn of a malfunction of any of the major components of the system or sensors within the system The following is a list of all temperature based alarms Cabinet temperature high alarm Cabinet temperature low alarm Ambient temperature high alarm fixed at 34 C Ambient temperature low alarm fixed at 10 C Air filter clogged High condensor temperature alarm High cascade condensor temperature alarm New Brunswick Scientific User s Guide 24 The following is a list of all operational based alarms e Door open alarm e Power failure alarm e Electrical fault e Sensor failure o Cabinet temperature sensor o Ambient temperature sensor o Air Cooled Condensor temperature sensor o Cascade Condenser temperature sensor Each alarm is identified in plain English and displayed on the main screen for the duration of the alarm or fault condition All alarms including a time date stamp of their occurrence are also stored in the alarm log found in the DATA menu screen 4 4 1 Modifying Alarm Functions 1 To modify the alarm functions press the PROG menu key then the ALARMS menu key The alarm programming screen will be displayed Figure 5 Alarm Programming Screen ALARM PROGRAMMING TEMPERATURE ALARM DELAY 60 MIN DOOR OPEN ALARM DELAY 1 MIN AUDIBLE ALARM MUTE 30 MIN ALARM SOCKET DELAY 30 MIN Les gt sve oer 2 Using the A and Y directional keys select the alar
8. is displayed by pressing any directional key The alarm log will record the time and date when the alarm was muted and the alarm will be muted for the selected delay period The mute function will silence all alarms active at the moment the mute button is pressed As an added level of security alarm acknowledgment can be required When alarm acknowledgment function is turned on a USER ID will be required to silence the alarm When an alarm is triggered any attempt to mute an alarm will cause a USER ID selection screen to open The user will need to enter a USER ID which will automatically be logged in the ALARM LOG to identify the person who acknowledged or muted the alarm The alarm acknowledgement feature requires at least one USER ID to exist in the system To enter a USER ID 1 Press the USER menu key Use the directional keys to select USER ID amp PASSWORD from the list and press SELECT 3 To enter a USER ID use the directional arrow keys to select a USER ID position on the screen to store the ID any open position can be used then press SELECT 4 A menu based alphanumeric selection window will appear Use the directional arrow keys to select each character and use the SELECT key to store each character Use the menu key to delete an entered character or DELETE to erase the entire ID 5 When finished press SAVE to store the new USER ID then press EXIT to return to the previous screen If you press EXIT before you p
9. open the door or lift the lid until the vacuum has leaked away through the outer door seal which can take up to two hours due to the high quality of the seals The vacuum release vent tube is located a on the top left hand side of upright models and b on the left hand side of chest models If the door or lid cannot be opened press the manual plunger on the outside of the air vent in order to break the ice formation Door Lid Seal Be sure to treat the door seal on the upright freezers and the lid seal on the chest freezers with great care Avoid damaging the seals in any way as the freezer cannot operate properly with a defective seal Once each month it is advisable to wipe both the seal and its mating surface with a soft dry cloth M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 39 5 1 6 Lubrication Every 12 months the outer door hinges and the handle mechanism should be lightly lubricated using general purpose oil or spray grease 5 2 Defrosting After an extended period of operation defrosting may become necessary 1 Deactivate the power off audible alarm by switching the alarm battery switch located behind the lockable panel on the front or side of the freezer to its off O position Turn the freezer power switch off O Unplug the freezer from the electrical supply Leave the door or lid open Allow the accumulated ice to melt 2 3 4 5 Jee UTION DO NOT attempt to chip
10. opening the lockable power switch cover plate and physically placing the battery alarm switch in its off position This will also shut down all data recording Inner Doors or Lids The upright freezers are fitted with internal doors which latch shut minimizing temperature rise when the outer door is opened Inner door gaskets require the door to be latched at all times when the freezer is running in order to be effective Failure to latch the inner doors properly will lead to ice buildup between the outer and inner doors and under the inner door seals The inner doors can easily be removed and de iced via their lift off hinges Make sure they are thoroughly dry before returning them to service Chest freezers are fitted with inner insulating lids to reduce cold air loss when opening the outer lid These should remain fitted at all times when the freezer is running Voltage Stabilizer The following freezer models have the option of an internal voltage stabilizer Innova U360 100 120V 60 Hz Innova U535 100 120V and 208 220V 60 Hz Innova U725 208 220V 60Hz Innova C585 100 120V and 208 220V 60Hz Innova C760 208 220V 60Hz The optional internal voltage stabilizer automatically compensates for variations in the supply voltage in case of over voltage brown outs dips sags and surges The output of the stabilizer is only adjusted if the power disturbance is sustained for at least two seconds Voltage Stabilizer Installation T
11. stamp The most recent alarm appears at the bottom of the screen see Figure 7 This log also records any alarm mute activity and alarm acknowledgements including the USER ID and time and date of acknowledgment Use the A and Y directional keys to review any historical log data that is not visible on the screen The entire log can be cleared at any time by pressing the CLEAR menu button To leave this screen press the EXIT menu key Figure 7 Alarm Log Screen ALARM LOG DOOR OPEN ALARM 06 07 04 13 24 21 DOOR OPEN ALARM 07 09 04 08 24 32 HIGH TEMP ALARM 07 10 04 11 24 41 J FERG USO N 07 10 04 13 32 01 POWER FAIL 08 10 04 13 24 21 MUTED 08 10 04 14 32 01 ciar Le Cabinet amp Ambient Temperature Graph Information about the internal cabinet temperature and ambient room temperature is viewable through the CABINET amp AMBIENT TEMPERATURE GRAPH This graph provides a running display of cabinet and ambient temperatures it also identifies the time and duration of outer door openings see Figure 8 To allow for more detailed viewing both the time and temperature scales may be expanded or contracted by pressing the ZOOM X button to scale the X or time axis and the ZOOM Y button to scale the Y or temperature axis The entire temperature log may be deleted by pressing the DELETE key Historical data may be viewed by pressing the and directional keys The graph data may also be adjusted up and down on the temperature sca
12. user who has a valid password Passwords are never visible to general users Passwording does not prevent general users from viewing data on the system at any time including the alarm log New Brunswick Scientific User s Guide 28 XA NOTE Take care to note your password somewhere If a password is forgotten you must contact an NBS customer service representative to recover or delete the forgotten password 4 5 Audible Alarm Battery Backup The alarm system is protected by a battery backup system in the case of power and or system failure The battery is designed to operate the audible alarm and data recording system for up to 24 hours When a power failure occurs with the battery switched on the power failure audible alarm sounds immediately and the main display shuts off to conserve power You can activate the LCD screen by pressing any directional key When you do the internal temperature will be displayed on the screen which will remain on briefly then shut down again to conserve power Be sure to take note of the following cautions CAUTION Frequent operation of the display during a power failure will substantially reduce the life of the alarm battery CAUTION Opening the freezer door during a power failure will increase the cabinet temperature A CAUTION Failure to turn on the alarm battery switch will disable the audible alarm system and data recording during a power failure The alarm battery
13. user with the necessary information for installation and operation of the Innova ultra low temperature freezer line utlizing vacuum insulation panel technology It also provides some preliminary user maintenance information 2 1 Description of Equipment The New Brunswick Scientific Innova range of vacuum insulation panel freezers is designed to provide precise ultra low temperature environments for scientific and medical use They are designed to provide optimal ultra low temperature sample storage from 50 C to 86 C A CAUTION Vacuum insulation panel technology is used in the construction of these freezers The panels are mounted in the cavity against the steel outer wall of the freezer Any drilling or puncture of the outer wall could release the vacuum from the panel possibly impairing freezer performance There are two types of Innova freezer Upright see Figure 1 and Chest models This manual covers all versions of the Innova freezer models Table 1 Innova Freezer Models Upright Freezer Model Capacity U101 Not Yet Available U360 12 7 cubic feet 360 liters U535 Not Yet Available U725 Not Yet Available Chest Freezer Model Capacity C585 Not Yet Available C760 Not Yet Available The freezers are manufactured using high quality steel and electronics for long life The cabinets are insulated with a combination of foamed in place polyurethane foam and vacuum insulation panels Thi
14. 0 10 1 Index of Drawings Figure Description Page 1 Model U360 Upright Freezer Side amp Front Views 14 2 Operating Controls 20 3 Main Screen 21 4 Setpoint Programming Screen 22 5 Alarm Programming Screen 24 Da Remote Alarm Socket Chest amp U101 Upright Freezers 30 6b Remote Alarm Socket Upright Freezers except U101 30 7 Alarm Log Screen 31 8 Chamber amp Ambient Temperature Graph Screen 32 9 1st Stage Cycling amp Condenser Temperature Graph Screen 32 10 Diagnostic Information Screen 33 11 115V 60 Hz Circuit Diagram Schematic 48 Models U360 U535 U725 C585 8 C760 12 230V 50 Hz Circuit Diagram Schematic 49 Models U360 U535 U725 C585 amp C760 10 2 Index of Tables Table Description Page 1 Innova Freezer Models 12 2 Main Screen Menu Selections 21 3 Diagnostic Information 33 M1 288 0070 U360 Ultra Low Temperature Freezer User s Manual 51 1 1st Stage Cycling amp Condenser Temp Graph 32 2 2nd Stage Cycling amp Condenser Temp Graph 32 A Accessories 43 Adjustable Shelves 16 Air Intake 15 37 Alarm 18 39 Alarm Acknowledgment 26 Alarm Functions Description of 23 Alarm Log Screen 31 Alarm Mute Delay 25 Alarm Programming 24 Alarm Setpoints 22 Alarm Socket Delay 25 Alarm System Battery Backup 28 Alarm Test Key 39 Alarms Operational 24 Audible Alarm 39 Battery Charging 18 Batter
15. 20 4 2 OPERATIONAL CONTROLS HE EN ei ae 20 4 3 MENISYSTEM EE 21 4 3 1 Setting Operating Temperature amp Alarm Aemmoinie 22 4 3 2 Checking Temperature EE 22 4 3 3 EME Ehe 23 4 4 ALARM FUNCTIONS amp SYSTEM SENSORG ccssssccecsessececsessececessseeeceeseaaeeeeseaeeeessseeess 23 4 4 1 Modifying Alarm Functions a 24 4 4 2 Temperature Alarm Delay END AAA 25 4 4 3 Door Open Alarm Delay Ee 25 4 4 4 Audible Alarm Mute edel EA 25 4 4 5 Alarm Socket Delay EEN 25 4 4 6 Alarm Mute amp ACKHOWlEASMEONL eege eege eege 26 4 4 7 Setpoint amp Security CONTEO LE A AAA ur ee 27 4 5 AUDIBLE ALARM BATTERY BACKUP kanal 28 4 6 ALARM MONITORING SOCKET id pi dee geben 29 4 7 DATA STORAGE AND VIEWING 30 4 7 1 Alarm LOR Eeer 31 4 7 2 Cabinet amp Ambient Temperature Graph 31 4 7 3 1 amp 2 Stage Cycling amp Condenser Temp Grapbhe 32 4 8 KE ere NEE 33 4 9 PS2 SERVICE DATA PORTS EE 34 New Brunswick Scientific User s Guide 10 4 10 REMOVAL amp REINSTALLATION 34 4 11 GENERAL FUNCTIONAL GUIDELINES 34 LILL Safety Alarms iaa 34 E ENEE 33 4 11 3 Inner Doors Or idee 33 4 12 VOLTAGE STABILIZER cita as nia dias 35 4 12 1 Voltage Stabilizer Installatio
16. Guide to Operations Ultra Low Temperature Freezers In nova Range with vacuum insulation panel technology MANUAL No M1288 0070 Revision E October 29 2007 NEW BRUNSWICK SCIENTIFIC CO INC BOX 4005 e 44 TALMADGE ROAD e EDISON NJ 08818 4005 Telephone 1 732 287 1200 e 1 800 631 5417 Fax 732 287 4222 e Telex 4753012 NBSCO Internet http www nbsc com e E mail bioinfo nbsc com M1288 0070 U360 Ultra Low Temperature Freezer User s Manual INTERNATIONAL OFFICES BELGIUM New Brunswick Scientific NV SA Stationsstraat 180 4 3110 Rotselaar Belgi Belgique Tel 32 0 16 56 28 31 Fax 32 0 16 57 27 53 E mail sales Onbsnv sa be CHINA New Brunswick Scientific Co Inc A903 904 Yin Hai Building No 250 Cao Xi Road Shanghai 200235 P R China Tel 86 21 6484 5955 or 5966 Fax 86 21 6484 5933 E mail nbschc online sh cn FRANCE New Brunswick Scientific SARL 3 rue des Deux Boules 75001 Paris France Tel 33 0 1 4026 2246 Fax 33 0 1 4026 5423 E mail sales Onbssarl fr GERMANY New Brunswick Scientific GmbH In Der Au 14 D 72622 N rtingen Deutschland Tel 49 0 7022 932490 Fax 49 0 7022 32486 E mail sales nbsgmbh de THE NETHERLANDS New Brunswick Scientific BV Kerkenbos 1101 6546 BC Nijmegen P O Box 6826 6503 GH Nijmegen Nederland Tel 31 0 24 3717 600 Fax 31 0 24 3717 640 E mail sales nbsbv nl UNITED KINGDOM New Brunswick Scientific UK Lt
17. ION OF CONFORMITY C New Brunswick Scientific hereby declares that the product s listed below conform to the European Union directives and standards identified in this declaration Product s Innova U101 Innova U725 Innova U360 Innova C585 Innova U535 Innova C760 EU Directive s CE Marked 93 68 EEC Low Voltage 73 23 EEC Amendment 93 68 EEC Electromagnetic Compatibility EMC 2004 108 EC Conducted Radiated Emissions FCC Part 15 Class B Standard s Low Voltage EN61010 1 First Edition EMC EN61326 1997 Al A2 The conformity assessment documents are held at the following facility NBS Cryo Research Ltd Woodrolfe Road Tollesbury Essex CM9 8SE United Kingdom United Kingdom meaa 08 21 07 Executive Design Engineer Date New Brunswick Scientific User s Guide 2 warranty lt Every instrument manufactured by New Brunswick Scientific Co Inc is warranted to be free from defects in material and workmanship In the USA this apparatus with the exception of lamps where supplied is warranted for 2 years including labor against faulty components and assembly and our obligation under this warranty is limited to repairing or replacing the instrument or part thereof which shall within 2 years after date of shipment prove to be defective after our examination Component parts are warranted for 3 additional years excluding labor Vacuum Insulation Panels where present are warranted for a
18. Manual 23 4 3 3 4 4 Setting Time 8 Date The freezer is provided with a microprocessor that measures and displays a 24 hour clock and both US or European style dating This feature allows for alarms and other critical activities to be time date stamped for tracking purposes 1 To change the Time or Date from the main menu screen press the PROG menu key 2 Then press either the TIME or DATE menu key The Time Date editing menu will open 3 Using the A and Y directional keys select the time or date character positions and modify as desired 4 Press SAVE to save the settings or EXIT to return to the previous menu without saving 5 If you wish to change from U S MM DD YY to European DD MM Y Y dating format or vice versa select the DATE FORMAT menu with the A and Y directional keys and modify the format selection using the lt and gt directional keys 6 Press SAVE to save your changes Alarm Functions amp System Sensors The freezer is equipped with multiple sensors that monitor and record critical information about the freezer and its environment Many of these sensors are linked to alarms that can be controlled or modified through the menu system The sensors are linked to a sophisticated monitoring system that can identify and advise of multiple alarm conditions whether they are temperature or operation based The temperature based alarms warn of any temperature deviations both inside and outside the
19. When the outer door is opened a timer counts down the programmed period of delay after which the alarm is triggered if the door is still open Audible Alarm Mute The AUDIBLE ALARM MUTE programmable from 5 to 60 minutes provides the user with a means to delay the audible alarm from re activating after an audible alarm has been muted When an audible alarm is activated the alarm can be muted by pressing any directional key when the main screen is displayed The audible alarm will then be muted for the programmed delay period before reactivating If the alarm condition clears before the delay period is over the audible alarm will not re activate and the delay countdown will be cancelled Alarm Socket Delay The ALARM SOCKET DELAY programmable from 5 to 180 minutes allows you to delay the activation of the alarm monitoring socket during a temperature alarm New Brunswick Scientific User s Guide 26 4 4 6 When a temperature alarm is activated alarm socket activation will be delayed for the programmed period If the alarm condition is still active after the delay period the alarm socket will activate see Section 4 4 5 for more information In the case of a power failure or any non temperature based alarm e g a sensor failure the alarm socket will activate immediately and the delay period will be ignored Alarm Mute amp Acknowledgment When an alarm occurs the audible alarm can be muted when the main screen
20. abilizer circuit and indicated by a red LED for HIGH VOLTAGE or an amber LED for LOW VOLTAGE 4 12 3 Voltage Stabilizer Specifications 115V Unit 208 220V Unit Current Rating 20 Amps 15 Amps Operating Voltage 115V 10 230V 10 Normal Voltage Stabilizer Operating 106 123V 204V 242V Range LED Green 2 5V 2 5V Low Boost Voltage Limit LED Amber lt 106V lt 204V High Buck Voltage Limit LED Red gt 123V gt 242V M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 37 5 MAINTENANCE IN caution Maintenance adjustments and repair work should be carried out ONLY by QUALIFIED EXPERIENCED personnel who have been AUTHORIZED by New Brunswick Scientific or its authorized agents to undertake such work 5 1 Cleaning 5 1 1 Painted Surfaces All exterior paint work and inner doors should be cleaned using a solution of mild detergent in water Never use abrasive cleaners or solvents 5 1 2 Panels amp Shelves The interior panels and shelves are made of stainless steel They may be cleaned with any non corrosive cleaner and either chemically or heat sterilized 5 1 3 Air Intake Grille amp Filter The air intake grille and filter must be cleaned regularly to keep them free from dust and debris Under normal conditions clean the grille and filter once every three months If the area around the freezer is very dusty or dirty however clean the grille and filter more
21. aintain an open port e All interior panels and shelves are made of high grade corrosion resistant stainless steel making them durable and easy to keep clean and sterilize e The freezers are totally free of CFCs Chlorofluorocarbons and HCFCs Hydrochlorofluorocarbons They use HFCs Hydrofluorocarbons as refrigerants e All models are supplied on heavy duty castors for easy installation and relocation the model U101 has rear rollers and adjustable front legs e The freezers are provided with two access ports for the addition of back up systems or sensors that can provide cooling protection for your samples in the case of a power outage or other system failure e The freezers are provided with an external alarm contact that can be used to connect to an external monitoring device or system e The freezers can be fitted with an optional 7 day circular chart recorder to provide independent temperature recording e All models have lockable handles with an option for a padlock adaptor to provide sample security The microprocessor controlled system can also be protected from inadvertent programming changes through the use of passwords and user IDs New Brunswick Scientific User s Guide 14 Figure 1 Model U360 Upright Freezer Side 8 Front Views CASE VENT ch LCO DISPLAY SCREEN amp MEMBRANE PANEL SPECIFICATION PLATE PSe CONNECTORS CHART RECORDER lt OPTION AIR FILTER 7 i N
22. and use the SELECT key not the SAVE key to store each character Use the menu key to delete an entered character or DELETE to erase the entire password All the characters you choose will appear as 5 When finished press SAVE to store the new PASSWORD then press EXIT to return to the previous screen If you press EXIT before you press SAVE your changes will be discarded 6 Once saved the password position next to the USER ID will be marked as ACTIVE The only way to deactivate a password is to delete it 7 A PASSWORD can be deleted by opening the password alphanumeric selection screen and simply pressing the DELETE key then the SAVE key If a USER ID is entered ALARM ACKNOWLEDGEMENT is automatically activated If alarm acknowledgment is not required with the use of a password this feature may be deactivated in the USER menu system without affecting password control Adding or adjusting a PASSWORD only will not automatically turn on ALARM ACKNOWLEDGEMENT Once activated a single password will lock the entire system and prevent any subsequent changes to system settings ID s or passwords without the use of a specific password matched to a specific USER ID Each combination of USER ID and PASSWORD is unique one USER ID cannot use the PASSWORD of another USER ID to make system changes The USER ID s can be viewed at any time Once a password is set the USER SCREEN is not generally accessible and can only be accessed by a
23. appropriately rated power outlet 3 4 2 Power Switch Operation The ON OFF circuit breaker power switch is located within the lockable panel a at the bottom lefthand corner on models U360 U535 amp U725 or b at the top righthand side on models U101 C585 amp C760 The panel can be removed by turning the key provided one quarter turn to the right The key can be removed to prevent access Set the ON OFF power switch to the I ON position The display illuminates immediately XA NOTE The freezer s compressor will not operate for approximately one minute after connection of the power supply because there is an automatic delay device in the circuit Temperature and alarm settings however can be adjusted immediately New Brunswick Scientific User s Guide 18 3 5 Alarm Activation amp Alarm Battery Charging The equipment is delivered with the audible alarm amp alarm battery deactivated The black battery rocker switch behind the lockable power switch panel activates the alarm system battery The switch is labelled I ON and O OFF To activate the audible alarm and to charge the alarm battery place the battery switch in the I ON position The alarm system battery will continuously charge when the battery switch is in the ON position IN CAUTION Failure to turn on the battery switch may lead to a discharged battery low battery alarm indication and or a disabled alarm system The operation of the au
24. backup system does not affect the external alarm monitoring socket The alarm socket is designed to operate regardless of the condition or state of the freezer or alarm battery M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 29 The audible alarm should be checked periodically to verify its function 1 Press the DIAG menu key to enter the diagnostics system 2 Press and hold the TEST menu key for at least 5 seconds 3 The audible alarm should sound repeatedly 4 Press the EXIT menu key to return to the main screen 4 6 Alarm Monitoring Socket The freezers are provided with an alarm monitoring socket at the rear of the freezer and a matching plug for external monitoring purposes The plug can be connected either to a central monitoring system or to a remote alarm The configuration of the socket is shown in Figures 6a amp 6b Within the freezer the socket is connected to voltage free contacts rated at 24 volts 1 amp In normal operation pin 1 see Figures 6a amp 6b is connected to pin 2 and in the alarm condition pin 1 is connected to pin 3 The alarm socket should be checked periodically to verify its function Press the DIAG menu key to enter the diagnostics system Press and hold the TEST menu key for at least 5 seconds The alarm socket will switch to its alarm mode This can be verified by connecting an appropriately rated continuity testing device across the contacts as described in the alarm
25. d 17 Alban Park St Albans Herts AL4 OJJ United Kingdom Tel 44 0 1727 853855 or 0800 581331 Fax 44 0 1727 835666 E mail bioinfo nbsuk co uk Web www nbsuk co uk New Brunswick Scientific User s Guide Mea UTION This equipment must be operated as described in this manual If operational guidelines are not followed equipment damage and personal injury can occur Please read the entire User s Guide before attempting to use this unit M1288 0070 U360 Ultra Low Temperature Freezer User s Manual HEALTH AND SAFETY AT WORK ACT 1974 FOR THE UNITED KINGDOM New Brunswick Scientific as manufacturers and suppliers of laboratory equipment are obliged under the terms of the above Act to provide our users with instructions on the safe installation operation and maintenance of our equipment Our equipment is designed to acceptable standards and does not entail any hazard if used as advised in the attached instructions The following safety precautions should be observed by all personnel using this equipment 1 Read and understand this manual If in doubt contact one of the New Brunswick Scientific Companies listed Do not remove any covers There are no operable controls other than those referred to in this manual There are voltages in excess of 41 5 volts AC behind the covers Use freezer gloves at all times when loading or unloading the equipment The temperature of operation is such tha
26. dible alarm can be verified at any time by pressing and holding the TEST button within the DIAG menu of the display The audible alarm should sound XA NOTE When the equipment is first switched on it will take up to approximately six hours to reach a temperature of 86 C depending upon the size of the freezer 3 6 Remote Alarm Socket The freezer is also fitted with a remote alarm socket see Section 4 6 for details for connection to an external alarm monitoring system via the provided plug The remote alarm facility provides voltage free contacts rated at 1 amp 24 volts maximum The socket can be tested by turning off O the freezer s main power switch or by pressing and holding the TEST button within the DIAG menu of the display XA NOTE In a power failure situation the alarm socket will operature regardless of the state of the alarm battery or battery switch M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 19 3 7 Vacuum Effect After closing the door or lid of the freezer following access to the contents a vacuum may be created by the contraction of the warm air that entered the freezer Before the door can be opened again it may be necessary to wait two or three minutes for the vacuum to be released by the vacuum release vent tube Do not try to force the door or lid During the release of the vacuum a slight hissing may be heard In order to minimize vacuum formation the vent contains a heate
27. e carried out only by QUALIFIED EXPERIENCED personnel who have been AUTHORIZED to undertake such work by New Brunswick Scientific or its authorized agents Failure to use authorized service agents may invalidate the warranty 3 1 Setup Guide The following is a quick start guide to setting up the freezer More detailed information is presented in subsequent sections to clarify the process Unpack the freezer and remove it from its packing pallet Place the freezer in its designated location Remove the contents from the inside of the freezer Unwrap and install the shelves if provided Install the power cord and lock it in place Install the keys in the door lock and the power switch cover lock Plug the unit into the power supply and turn the unit on Set the time date and set temperatures see Section 4 3 1 Wait until the unit has reached its setpoint temperature before placing anything inside the freezer INN Be 3 2 Physical Location All freezers are mounted on castors for ease of movement Upright freezers have feet that provide both a leveling feature and a locking feature to stop the freezer from rolling once it is in place Chest freezers have locking front castors these do not provide leveling adjustment so the site chosen for the freezer must have a flat level floor New Brunswick Scientific User s Guide 16 Position the freezer to allow free air entry through the intake grille and free air ex
28. ect the correct polarity red is positive and black is negative Reinstall the battery fixing screws and the side cover 6 Reconnect the freezer to the power supply and turn the power switch on I Si 5 3 3 Fuses The following are the specifications for the fuses required by the freezers Main Power Supply Plug 13A Bussmann 1 x 44 UK only Vacuum Vent Heater FS1 800mA 20x5mm Quick Acting F 250V Ceramic Mam Voltage Input FS2 1A 20x5mm Anti Surge T 250V Ceramic Voltage Stabilizer Module FS1 1A 20x5mm Quick Acting F 250V Ceramic option These fuses must be replaced by an NBS approved service engineer This is not the same as the Vacuum Vent Heater fuse the FS1 designation for both fuses refers to separate manufacturing drawings M1288 0070 U360 Ultra Low Temperature Freezer User s Manual 41 6 TROUBLESHOOTING If you are experiencing a problem with your freezer check the following troubleshooting guides before you contact your NBS authorized Service technician 6 1 Errors Alarms amp Messaging Your electronically controlled NBS freezer incorporates a microprocessor controlled system to troubleshoot diagnose and report faults and problems in its electronic and refrigeration systems The system uses plain language where appropriate to describe the problem and suggest corrective actions This table interprets error alarm messages that may appear on the d
29. hanges after the system returns to the main screen L