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DAIHAN Scientific, Ultra Low Temperature Smart Freezer                                                                                          12/40 

  If a product was transported or stored in high humidity condition, please check   

  packaging condition before use. If the carton or wooden box is waterlogged,   

  please contact the deliverer or our technical service engineer. Do not operate the   

  unit before checking with an engineer, otherwise it may cause an electrical shock     

  or a fire. 

  The Sound Level of the buzzer is maximum 60dB in 1 meter distance when an     

  error is detected. 

  Please maintain the clean condition of this product by removing the foreign   

  matter while gently wiping with the neutral detergent and a dry cloth after   

  checking whether the foreign matter present or not, before and after using this   

  product. 

 

This Symbol indicates that this product is to be collected separately. 
The following apply only to users in European countries: 

l

 

This product is designated for separate collection at an appropriate collection   

point. Do not dispose of as household waste. 
This product is required to comply with the European Union’s Waste Electrical &   
Electronic Equipment(WEEE) Directive 2002/96/EC 

 

l

 

When reinstall products 

 

 
 

When moving this product, please, consult with a DAIHAN Scientific Inc. Service 

Center or Nationwide Agents. If non-specialists install this product, it may cause 
short circuit, electric shock, and fire. 

 

Because of the very heavy weight of the product, when moving the product, 
please be careful to prevent overturning.   

 

When moving the product, please move it so that the power cord is not 
damaged after disconnecting the power plug from the electrical outlet.
 
It may cause electrical shock or ignition due to damage to the cord. 

 

When moving this product, please move it after removing all of the samples in 
the instrument. 

 

When moving or installing the product, please do not move it when it is lying 
down. It can cause malfunction. If you move this product when it is tilted or lying 
down, please operate it after letting it be stable for approximately 24 hours. 

 

  All  of  the  circuits,  electrical  or  mechanical  parts  and  configurations  used  in  this 

product are the technical assets of DAIHAN Scientific (Co., Ltd.). Only technicians of 

the technical support team at DAIHAN Scientific (Co., Ltd.) or technicians approved 

through  the  education  from  DAIHAN  Scientific  should  be  allowed  to  repair  this 

product.   

Summary of Contents for UniFreez U25

Page 1: ...edical Instruments CE RoHS Certified PL Insurance Validation IQ OQ Service User Manual Version 2 2 1 written for UniFreezTM U25 models UniFreezTM U25 Ultra Low Temperature Freezer 25Lit DAIHAN Sci com...

Page 2: ...DAIHAN Sci com or ALL forLAB com Shopping Mall DAIHAN Scientific Ultra Low Temperature Smart Freezer 2 40...

Page 3: ...4 1 2 Product Introduction 5 1 3 Product Configuration 6 2 Installation 2 1 Product Installation 7 2 2 Product Specifications 8 3 Product Usage 3 1 Product Usage 9 3 2 Names of Each Part 13 3 3 Usage...

Page 4: ...after being well acquainted with the meaning Warning Failure to follow the instructions may result in injury Caution Failure to follow the instructions may result in product failure Proximity Caution...

Page 5: ...r leakage and the intrusion of the outside temperature and maximize the insulation effect because of the rigid polyurethane foam insulation and the insulation for inside the door 3 layers of insulatio...

Page 6: ...on Manual Model UniFreezTM U300 Ultra Low Temperature Freezer Upright type 86 UniFreezTM U400 Ultra Low Temperature Freezer Upright type 86 UniFreezTM U500 Ultra Low Temperature Freezer Upright type 8...

Page 7: ...ces where it will be subjected to the inflow of moisture or organic solvents on the regulator part or inside of the body 7 This product was manufactured for normal operation at a rated voltage so plea...

Page 8: ...stem Controller Digital Feedback Controller Max Q ty of Racks None Only 10 15 boxes are applicable Material Internal Stainless Steel 304 External Powder Coated Steel Plate Inner Door Powder Coated Sta...

Page 9: ...ck should be wiped with a soft cloth and then used after mounting it before connecting the power of this product Please put the sample into the instrument after the instrument starts to operate and it...

Page 10: ...ut your hands into the mechanical room air outlet or inlet Since the fan is operating at high speed it may cause burns or injury Please do not hang on the door It may cause personal injury or short ci...

Page 11: ...e move it so that the power cord and the product are not damaged after disconnecting the power plug from the electrical outlet It may cause electrical shock or ignition due to damage to the cord If re...

Page 12: ...nion s Waste Electrical Electronic Equipment WEEE Directive 2002 96 EC l When reinstall products When moving this product please consult with a DAIHAN Scientific Inc Service Center or Nationwide Agent...

Page 13: ...tside NO Names Leakage Breaker Power Switch Locking Function Door Handle Block Condenser No Pin Filter Free Mechanism Controller Inlet of LCO2 Gas Automatic Valve of LCO2 Gas Fig 3 2 1 UniFreezTM U25...

Page 14: ...luminated when a over temperature alarm is activated AL 1 2 Illuminated when the event output is ON COM Status of RS232 C communication Illuminated in available status RS232 C communication is served...

Page 15: ...wer supply such as a power outage Please start operation after at least one minute when you turn ON the power supply again Set temperature Following to supply electricity power to main controller the...

Page 16: ...AN Scientific Co Ltd for A S request 1 LCO2 Injection WUF Ultra Low Temperature Freezer uses the high qualified parts and has the simplest structure for superior temperature stabilization in the chamb...

Page 17: ...7 X h52mm C11 002 Hard Board Box with PolyPropylene Divider 81 Holes 127 X 127 X h52mm DH KT622 Tem Chart Recorder KT622 with C657 Chart Paper DH C657 Chart Paper C657 60 Charts for 420 days recording...

Page 18: ...vation samples from the instrument and wipe it off with a dry cloth and dry it while leaving the door open after washing it out with warm water and some neutral detergent 6 Please apply the polish for...

Page 19: ...gh temperature exists close to the freezer Confirm that the ventilation around the instrument is good The same abnormal status as above does not exist but if the temperature does not fall well please...

Page 20: ...bout all functions before shipment 2 This instrument is warranted for 2 years from purchasing date 3 A breakdown caused by customer s improper use or natural disaster is excepted from this warranty 4...

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