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Do not place any vessel containing water or any heavy object on the freezer. If the object 
drops off, it may cause personal injury and the fl owing water will degenerate the insulation and 
further cause leakage of electricity or electric shock.

Do not make the freezer earthed via a gas-pipe, power supply conduit, telephone  line or 
lighting rod. The above earthing will cause an electric shock or other dangers.

Do not contact any electric parts or any switches such as power plug and so forth with a wet 
hand, or otherwise it may cause an electric shock.

When pulling out a plug from the power socket, hold the power plug fi rmly but do not pull the 
wire of the power plug. Pulling the wire hand may cause an electric shock or lead to a fi re due 
to short circuit.

If the freezer runs out of order, please pull out the power plug. Continuous running in an 
abnormal condition may cause an electric shock or fi re.

User must not dismantle, repair or refi t the freezer by itself. Otherwise, it may cause a fi re or 
personal injury due to improper operation.

Before conducting any repair or maintenance of the freezer, be sure to disconnect the power of 
the freezer for fear of electric shock or personal injury.

Make sure not to suck in medicine or suspended particles inside and surrouding the freezer in 
time of repair and maintenance, otherwise, it may bring hurt to your health.

When string toxic, hazardous or radioactive articles, please use the freezer in a safety zone.

Improper use may bring hurt to human health or environment.

If the freezer is left unused for a long time in an unattended area, make sure that children will 
not approach the freezer and the freezer door will not be closed completely.

Disposal of discarded freezer shall be conducted by the relevant personnel. The appliance 
contains reusable materials and should be disposed of properly-not simply with unsorted 
household refuse. Appliances which are no longer needed must be disposed of in a 
professional and appropriate way, in accordance with the current local regulations and laws.

When disposing of the appliance, ensure that the refrigerant circuit is not damaged to prevent 
uncontrolled escape of the refrigerant it contains(data on type plate) and oil.

Do not store corrosive articles such as acid, alkali etc. in the freezer. Otherwise, it may spoil 
the internal units or electric parts of the freezer.

Do not place the packing plastic bags at the locations where children can easily take as plastic 
bags may cause occurrence of suffocation accident.

Do not climb up to the freezer or place articles on the freezer, otherwise it may cause personal 
injury or damage of freezer due to overturn of the freezer.

Do not insert any metal objects like iron nails, iron-wire into any orifi ce and gap or any air vent 
used for internal air circulation of the freezer, otherwise, ir may cause an electric shock or 
injury due to contact of the above objects with the moving parts.

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DW-25L92FL/92SF

Summary of Contents for DW-25L92FL

Page 1: ...lity checker Model DW 25L92FL DW 25L92SF DW 30L278FL DW 30L278SF Laboratory Deep Freezer with explosion proof interior Operation manual Our company reserves the right to interpret the Operaiton Manual Read the Operation Manual carefully before using your appliance Keep the Operation Manual in a safe place Appearance color and layout of the door may vary Translation of the original instruction The ...

Page 2: ...29 ...

Page 3: ...uality hermetically sealed compressors and other components for a high efficiency performance User friendly design with microprocessor control for smart and carefree operation adjustment not needed High performance thermal insulation for excellent temperature protection The product application scope Temperature setting range 10 25 30 Computer control and temperature numberic display with temperatur...

Page 4: ...pray coated steel plate Permanent anti static sheet PS plate Condenser Evaporator Wire and tube type plate type Temperature Control Microprocessor controlled Refrigerant R600a 52g R290 105g Net weight 46kg 115kg Setting temperature range 10 25 10 30 Voltage Input power 220V 240V 50Hz 160W 220V 240V 50Hz 330W Anti shock Safety Classification I I Climate type Noise Level Lp 4 27dB A 4 40 dB A Foaming...

Page 5: ... cause a fire or electric shock If it is required to lengthen the power cord the section area of the lengthen cord must not be less than 2mm2 and the length shall not be longer than 3m Otherwise it may cause a fire or electric shock The power cord of this freezer is provided with a three wire earthing plug complying with the standard 10A three wire earthing socket Never cut or remove the earting pin...

Page 6: ...ing toxic hazardous or radioactive articles please use the freezer in a safety zone Improper use may bring hurt to human health or environment If the freezer is left unused for a long time in an unattended area make sure that children will not approach the freezer and the freezer door will not be closed completely Disposal of discarded freezer shall be conducted by the relevant personnel The appli...

Page 7: ... material in sealed container before storing into freezer When restarting the freezer after a power failure of power off it is required to check the setting of the freezer Change of setting may spoil the articles stored Once the power of the freezer is cut off wait for over 5 minutes before it is reconnected so as not to damage the compressor or the system Put on your gloves at time of maintenance...

Page 8: ...our after the door is closed The freezer is equipped with security door lock Please keep the key properly Once the key is lost the door body of the freezer will not opened Lock of the upright freezer The lock of the upright freezer shall be locked when the freezer is powered on or it will cause cold air leakage and frosting which will affect the performance Cleaning and Defrosting of the freezer 1...

Page 9: ...ise it may be triggered by the rapid cooling and shrinkage of the internal components inside the equipment and it shall be cooled gradually to avoid excess in decrease of temperature in a short time FAQ 7 DW 25 30 L 92 278 FL SF Deep Freezer Character Point Temperature 25 30 Upright Storage Volume FL Explosion proof type with electrostatic protection SF Explosion proof type without electrostatic p...

Page 10: ... the power cord in emergency No articles shall block out the air vent of the freezer Product Installation 21 Anti static operating instruction 1 clean plastic parts with a dramp cloth only 2 Do not use a dry cloth to clean plastic parts 3 Danger of sparks due to electrostatic discharge 4 Warning potential electrostatic charging hazard see instructions In order to prevent an electric shock or perso...

Page 11: ...ature display area Impulsive sound alarm Lower limit alarm for temperature If the temperature sensed by the sensor is lower than 50 The alarm light will flash and ELo will be shown on the temperature display area Impulsive sound alarm Power failure alarm Power failure of the freezer The inner temperature will be shown for 0 5s and disappear for 0 5s on the temperature display area by turns for 24h ...

Page 12: ... delay t1 default to 15min Communication fault The display board and the power board are unable to send and receive data for 5 times continuously E03 Alarm indicator flashes and E03 code is displayed Buzzing alarm Sensor is abnormal Fault occurs on the main sensor in freezer E04 Alarm indicator flashes and E04 code is displayed Buzzing alarm Door ajar alarm The door is opened or not closed tightly E...

Page 13: ...e will be displayed after start When inquiry if press Fn for 1 second this record will be deleted the value will be changed to measured value by current sensor 2 Use and to roll the parameter Ho1 or Lo1 3 Press SET to confirm the parameter and then display the value of parameter 4 Press SET to return to the displayed parameter 5 Use and again to roll for inquiring another parameter 6 Press SET to c...

Page 14: ...me so as to prevent electric shock leakage of electricity or fire due to aging of the power cord If the freezer is left unused for a long time in an unattended area make sure that childrenn will not approach the freezer and the freezer door can not be closed completely 17 DW 30L278FL 278SF Power on indication Indicates that power is On Locking indication Indicates that the screen have been locked R...

Page 15: ...or reduced by press of button or button Press Set button after reaching the set value the parameter will be changed and saved Press Alarm button to exit the parameter setting and display the current inner temperature Parameters code Parameter meaning Min value Max value Unit Default value Ts Control temperature setting 30 10 25 ALH High temperature alarm value setting Ts 1 Ts 6 20 ALL Low temperat...

Page 16: ...14 DW 30L278FL 278SF Control panel Pad lock Drawer Lock Caster and leveling leg Lock kits 15 DW 25L92FL 92SF DW 30L278FL 278SF Thermostat FN SET ...

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