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Freezer Manual

1. equipped with double layer password protection to prevent accidental changes to settings Please keep supplied passwords in a safe location for future reference a First plug the power cable into the power outlet Verify illumination of POWER light on the control panel display b Next press START button This will cause the display panel to light up Current temperature will be displayed For example 20 C will show up as 0020 _ c Now press MODE button The display will show FRE d Press MODE button again which will cause the display to show LA Enter the password 9013 please note that the password has been set at the factory Enter the last digit of the password 9013 by pressing the INC key until 3 is displayed Then press the SHIFT button to advance to the next digit Repeat the process for the other digits x 2 lt 2 2 lt a A A x Ox 2 f Press MODE button again and set the operating temperature by using SHIFT and INC keys as above For example a 20 C setting will require the display to show 020 Please refer to PART 4 above Operation for appropriate temperature specifications for your model g Press MODE button again and the display will show AALH Absolute Alarm Limit High COB2B backup temperature er ne IT h Next press MODE and set the AALH or COB2 Bbackup tempe
2. gt gt NA ALA CUTEC SEB SC BIOVAC Chest and Upright Freezers Installation and Operation Manual ae ne sara P O Box 48488 Roosevelt Park 2129 South Africa Tel Jhb 011 475 1823 Dbn 031 301 7617 CT 021 461 9607 Fax 011 475 1819 Email sales vacutec co za 1 SAFETY WARNING Please read this entire manual before installing and operating the unit Any problems resulting from the failure to comply with these instructions are the user s sole responsibility Any damage to the unit caused by the user s negligence is not covered by the warranty WARNING Do not make modifications or changes to the system including components in the unit All replacement parts should be factory authorized Failure to comply will void the warranty Vacutec shall not be liable for any damages including incidental and or consequential damages WARNING Please ensure proper grounding of the unit prior to use and do not connect the unit to overloaded power lines WARNING This freezer is designed for operation at extremely low temperatures where direct skin contact is harmful DO NOT work inside the freezer chamber without proper protection Wear protective clothing and eyewear at all times when working in the freezer chamber 2 PRE INSTALLATION Upon delivery of the unit please examine the exterior for physical damage while the carrier s representative is present If exterior damage is visable carefully unpack and inspect
3. the unit and all other accessories for damage If there is no exterior damage unpack and inspect the equipment within five days of delivery If you find any damage keep the packing materials and immediately report the damage to the carrier Do not return goods to Vacutec without prior written authorization When submitting a claim for shipping damage request that the carrier inspect the shipping container and equipment 3 INSTALLATION a The unit should be installed in a well ventilated area away from direct sunlight b Do not install the unit adjacent to a heater or near heat generating devices c Install the unit such that there is at least 30 cm clearance from the wall to ensure proper air circulation This is critical for the long term reliability of the compressor Insufficient clearance for the discharge of heat from the compressor will reduce the cooling efficiency of the unit and may cause damage to the compressor d Ambient room temperature should be maintained below 27 C at all times Temperatures in excess of 32 C will significantly reduce the unit s cooling efficiency and may result in damage to the compressor e A grounded electrical power outlet with 15A or higher is required f Added Voltage regulation is recommended if the power supply is irregular and or voltages less than 208V commonly occur g Avoid tilting the unit Keep it in an upright position during moving and or transporting 4 OPERATION a
4. Allow the unit to stabilize for at least 24 hours after installation before connecting the power b After 24 hours connect the power and turn the unit on See section 5a 5q for operation instructions c Set the temperature to the initial temperature setting specified below by model number following the procedures outlined in PART 5 Control Panel Operation e DFU AE DFU BE DFC AE DFC BE DFC 84CE Models gt Set at desired operating temperature DFU CE DFC CE DFUD CE Models gt First set at 20 C for 24 hours then at 70 C for at least 7 hours finally at desired operating temperature e CFQ 150 152 156 Models gt First set at 80 C for 24 hours then 150 C for at least 7 hours finally at desired operating temperature d Recommended operating temperature ranges by model DFU AE DFC AE Models 20 C to 35 C DFU BE DFC BE Models 30 C to 50 C e DFC 84CE Models 30 C to 70 C DFU CE DFC CE DFUD CE Models 50 C to 80 C e CFQ 150 152 156 Models 80 C to 145 C 147 C 152 C e The units are equipped with an automatic recovery function which resets to the last set temperature in the case of a power failure 5 CONTROL PANEL OPERATION lt Control Panel Display gt START STOP On Off selection MODE Save data or skip to next function SHIFT Advance to next digit INC Toggle through digits ALARM ON OFF Alarm On Off selection The units are
5. aved 0 Press MODE button again and the display will show Liga Enter the 2nd password 9014 please note that the password has been set at the factory p Press MODE button again You have now fixed your settings The current temperature will be displayed Programming of the various settings is now complete To stop the operation of the unit If the buttons are locked go to LOC mode and release lock function by entering 0000 Press the MODE key once more to display PAS and enter 9014 Finally press START STOP and disconnect power cable from the power outlet 6 SAMPLE STORAGE a Allow the unit to run at the desired operating temperature for at least 3 days intermittently checking the temperature stability before loading samples into the unit b Load no more than 1 3 of the total capacity initially c Allow the temperature to re stabilize to the desired operating temperature for 24 hours then load up to another 1 3 of the total capacity d Repeat the above process until fully loaded NOTE Increase in storage utilization will enhance temperature stability of the unit WARNING a Do not load more than 1 3 of the total capacity of the unit at any one time b Do not load large volumes of liquid samples or hot water This will increase the chamber temperature and will cause the compressor to operate continuously for a prolonged period potentially reducing the life o
6. f the compressor c Do not open cabinet door for more than 1 minute as chamber temperature air will escape quickly d Bear in mind the unit is for preservation and not for production The unit is not a rapidfreeze device to be used in a production environment with frequent sample rotations 7 MAINTENANCE a It is vital to check and clean the filter every 3 months more frequently if the environment is particularly dusty Open grill and remove filter Clean the filter by first shaking the dirt off filter away from the unit Then wash in clean water and thoroughly dry e Replace filter and close grill b In the case of a major problem please contact Vacutec directly support vacutec co za 011 475 1823 P O Box 48488 Roosevelt Park 2129 South Africa Tel Jhb 011 475 1823 Dbn 031 301 7617 CT 021 461 9607 Fax 011 475 1819 email support vacutec co za
7. rature The recommended AALH setting is 20 to 30 C higher than the operating temperature For example a unit operating at 80 C could have an AALH setting of 50 C Pad oo be Ro 1 Press MODE button again and the display will show AALL Absolute Alarm Limit Low Aa u j Next press MODE and set the AALL temperature The recommended AALL setting is the lowest rated temperature for that model For example a unit operating at 80 C could have an AALL setting of 86 C DEE k Now turn the alarm function On by pressing the Alarm On Off key Verify ALARM ON light is illuminated 60 r 1 Press MODE button again and the display Wi show LOC Lock function 64 F ETITI m Press MODE button again and the display will show 0000 HSS Dal Dad The LOC function can be toggled On Off by es the following codes 1111 Lock function On 0000 Lock function Off Release mode to reset It is recommended that the lock function be set to On to protect your program setting for the unit Once the LOC function is On the unit will not respond to program changes or the START STOP operation button NOTE It is not necessary to enable LOC during the initial start up phase n Press MODE key again and the display will show PAS2 BAG 2 gt PAS2 must be entered to fix your current settings Otherwise your settings will not be s

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