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ULT FREEZER – USER MANUEL 

45 

Updated 19. April 2021 

 

 

 

Chapter 6: Maintaining the ULT Freezer 

 

Note:

 

This manual cover operations and maintenance operations for the owners/users of the 

ULT Freezer. Complete certification procedures and specifications are published in a separate 

publication Technical Manual: ULT Freezer Procedure Stations. This manual is available for 

trained and service person authorized by B Science. A complete certifier service kit is 

available to qualified certifiers from B Science.

  

 
 

Cleaning 

Cleaning should be done when needed. When used in a dirty environment it might be necessary to 

remove the compressor compartment front panel cover and clean the condenser eventually with a 

vacuum cleaner. 
If the cleaning process is neglected there is a risk that the performance of the Freezer will be affected, 

and even damage to the compressor could occur due to overheating. 

 
Check list for every 1 year: 

Check the Battery condition

. 

Check the Condenser fan is free of dust, and the wing can move freely around the fan cover.   
Check and adjust the sensor in the chamber. 

 

 

 

 

 

 

 

Check the door gasket is in good condition.

   

 

 

Manual Defrosting. 

This ULT Freezer does not have an Automatic Defrosting system.  
See section with Manual Defrost process 

 

 

 

 

 

 

 

Содержание B-ULT 100

Страница 1: ...B ULT 100 B ULT 400 B ULT 550 B ULT 650 B ULT 850 USER SERVICE MANUAL Copyright 2017 B Science Global ApS All rights reserved...

Страница 2: ...appliance The information contained in this manual and the accompanying products are copyrighted and all rights reserved by B Science Global ApS B Science Global ApS reserves the right to make periodi...

Страница 3: ...efrigerant 8 Field of application 8 Chapter 5 Using the ULT Freezer 9 Startup process 9 Operating the Freezer 9 Temperature control ULT Freezers 10 Backup Battery For temperature logging and Alarm dur...

Страница 4: ...ge Pin 34 5 Set Time Date 34 6 Set Temperature 35 7 Alarms 36 1 Alarm List 37 Sensor Menu 37 2 Temperature Alarm settings 38 3 Temperature Delay 39 4 Door Alarm Delay 40 5 Power Alarm 41 Main Menu Ala...

Страница 5: ...Freezer Even if you are an experienced user of ULT Freezers please read all the user manual firmly 1 1 Intended use The ULT range 86 C freezer described in this manual are high performance units for p...

Страница 6: ...r and inner doors should be kept open for free circulation of air inside the cabinet to avoid corrosion of the inner liner Environmental protection and disposal The packaging is designed to protect th...

Страница 7: ...the supplier Interference with or repair to the appliance should only be carried out by authorized personnel to avoid any injuries contact the supplier for further information Never use open ames or o...

Страница 8: ...up the Freezer The Freezer should not be placed where it might be splashed with water in extreme high humidity or in direct sunlight Any of these factors may lead to a reduction in performance and sho...

Страница 9: ...of refrigeration and air conditioning applications The use of R290 is increasing due to its low environmental impact and excellent thermodynamic performance It is non toxic with zero ODP Ozone Deplet...

Страница 10: ...from the temperature reach High or Low Temperature alarm level to the alarm will be activated 5 DOOR OPEN ALARM Enable the door open alarm and the delay for the alarm will be activated During the Fre...

Страница 11: ...and Alarm during Power cut The battery should be exchanged every two years Please note When commissioning the Freezer the Battery must be checked for correct connection Controller 1 Main Menu DISPLAY...

Страница 12: ...erature graph Temperature graph for 1 day First picture will show the temperature mapping of the current day Temperature graph for 7 days You can select a Temperature Map for either 1 or 7 days The se...

Страница 13: ...ULT FREEZER USER MANUEL 12 Updated 19 April 2021 2 Status 1 It shows the working hours of the compressor and the fan 2 It also shows when the last alarms have been activated...

Страница 14: ...ive 2 CVS files a file with temperature data and a file with the parameter list In the USB key you will find the 2 files under folder History 3 1 Select Download Period 1 Select a period that you want...

Страница 15: ...enu you can gain access to 1 Admin menu Only access to authorized personal approved by B Science 2 Service menu Standard pin code 0215 3 User menu Standard pin code 0000 4 Temp unit 5 Display 6 Langua...

Страница 16: ...Menu For access to service menu enter pin code 1 Select Pin code and click on the OK button 2 Service Menu Service menu gives access to 1 Test Mode 2 Hysteresis 3 Manual defrost Not use in Ultra Low T...

Страница 17: ...ched ON and running you can see which relays are ON or OFF and the temperature of each sensor In this example The Compressor 1 and Fan 2 is running The Defrost heater 2 Door heater 1 Light 1 and Light...

Страница 18: ...ch relay by pushing the square field for testing each kind of device Compressor Light Fan motor etc Very good feature for service and maintenance use In case above the Relays for both Compressors are...

Страница 19: ...s Test mode you can check all relays and door contacts and check the temperature sensors Switch OFF the unit by the display ON OFF button Type in the pin code for one of the pin codes levels and push...

Страница 20: ...the specific component will be activated In this example the relay for Compressor 1 Defrost relay 1 Fan 1 Frame heater 1 and Light 1 are ON Alarm output has change from NC to NO or opposite The door...

Страница 21: ...e backside of the unit Remove the back cover and you will find the remote alarm connection The Remote alarm is a Dry contact Voltage free 2 Hysteresis Hysteresis settings The temperature between start...

Страница 22: ...Defrost 3 Switch OFF the unit by the Display 4 Remove the Main plug so the unit if out of power 5 Now the melting process starts 6 To speed up the melting process you can spray hot water on the Evapo...

Страница 23: ...code for User Menu Enter pin code to access User menu 1 Put in Pin code and click on the OK button 4 Change Pin If needed the user pin code can be changes under Change Pin 1 Put in New 4 numbered cod...

Страница 24: ...yet Coming in the future 6 CALIBRATION If main Screen shows incorrect temperature the sensors can be adjusted in the Calibration menu Adjusted temperature is the actual temperature for the chosen Sen...

Страница 25: ...ow down button to go 0 4 degrees down in temperature and click Apply button The adjusted temperature will now show 4 0 C and the Chamber sensor will show it has been adjusted 0 4 C Same procedure can...

Страница 26: ...ULT FREEZER USER MANUEL 25 Updated 19 April 2021 The main screen will now show the correct temperature in the chamber...

Страница 27: ...ULT FREEZER USER MANUEL 26 Updated 19 April 2021 3 User Menu In user menu you can get access to 1 Test Mode 2 Device Info 3 Update Data 4 Change Pin 5 Set Time 6 Set Temperature 7 Alarms...

Страница 28: ...EL 27 Updated 19 April 2021 1 Test Mode when unit is running Test mode when the unit is switched ON 1 Test Mode Test Mode for when the unit is switched ON You can see which relay are ON or OFF and the...

Страница 29: ...EEZER USER MANUEL 28 Updated 19 April 2021 2 Device Info In Device info you get all the information of the controller s software versions 3 Update Data Update can only be executed when unit is switche...

Страница 30: ...stick Must be look like this when the files are unpacked If new parameter file is needed this could as example look like this B ULT 85 BSP Note You are not able to open this kind of file Copy the fil...

Страница 31: ...since you are only able to update in OFF mode Step 2 If the controller is pass code protected you can use the same code as for USER SERVICE or ADMIN Press 4 numbers in and press OK Step 3 Press the ME...

Страница 32: ...SOURCES button to update firmware When the controller is finished updating firmware the controller will perform a rebooting Step 8 For uploading new parameter file you need to go from Step 3 to step 6...

Страница 33: ...ning If you are sure to update the Parameter file press the YES button When the controller is finished uploading parameter the controller will perform a rebooting Important When you have updated all f...

Страница 34: ...he different Firmware and software versions can be updated from here The temperature history can also be deleted from this menu New updated Parameters setting can also be uploaded from this menu Updat...

Страница 35: ...User Menu s pin code can be changed under Change Pin 1 Put in New 4 numbered code 2 Repeat new pin code 3 Click the OK button to save change 5 Set Time Date Setting the Date and Time 1 Use arrow up or...

Страница 36: ...nt for the temperature in the cabinet 1 Use arrow up or down to change the value 2 To save the changed setpoint click on the OK button In this example the setpoint is 80 0 C and the Hysteresis is 2 0...

Страница 37: ...ULT FREEZER USER MANUEL 36 Updated 19 April 2021 7 Alarms Under Alarms get access to 1 Alarm List 2 Temp Alarm 3 Alarm Delay 4 Door Alarm 5 Power Alarm...

Страница 38: ...deactivate the alarm Pay special attention if you get a Compressor alarm The controller has switched OFF the Compressor relay and the unit must be restarted by Switching OFF and then ON again to make...

Страница 39: ...ZER USER MANUEL 38 Updated 19 April 2021 2 Temperature Alarm settings To set up the High and Low temperature alarm 1 Use arrow up or down to change the value 2 To save the changed data click on the OK...

Страница 40: ...on the OK button 3 When the high or low temperature level are reached this alarm delay timer will start counting In this example where the high temperature alarm level is reached and the temperature...

Страница 41: ...il 2021 4 Door Alarm Delay To set alarm for Door alarm delay 1 Use arrow up or down to change the value 2 To save the changed data click on the OK button If the Door is left open for more than 3 minut...

Страница 42: ...ower failure alarm will be activated In case of Power Failure the display will turn black to save Battery power and the controller will give a beep every 1 minute To see the actual temperature press y...

Страница 43: ...to IGNORE or ACCEPT the alarm When you accept the alarm you are automatically taken to the Alarm List Menu Click on the Activated alarm red button to accept and deactivate the Alarm If you choose to...

Страница 44: ...d triangle will be visual on the main menu The Red triangle Alarm indicator will not disappear until it has been accepted in the Alarm List Menu 4 Temp Unit Under Temp Unit you can select if you want...

Страница 45: ...w up or down to change the value 2 To save the changed data click on the OK button The squares to the left 1 Help button future option 2 Screen number used for screen identification 3 Auto return Auto...

Страница 46: ...ould be done when needed When used in a dirty environment it might be necessary to remove the compressor compartment front panel cover and clean the condenser eventually with a vacuum cleaner If the c...

Страница 47: ...ULT FREEZER USER MANUEL 46 Updated 19 April 2021 Wire diagram B ULT 100...

Страница 48: ...ULT FREEZER USER MANUEL 47 Updated 19 April 2021 Wire diagram B ULT 400 650...

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