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OPERATION MANUAL
BIOMEDICAL FREEZER
Applicable Models: MLF450 | MLD450 | MLRF450
MLF450 Biomedical Freezer
MLD450 Ultra Low Temperature Freezer
MLRF450 Combined Refrigerator and Freezer
BEFORE USE, PLEASE READ AND FOLLOW
ALL SAFETY RULES AND OPERATING INSTRUCTIONS
BIOMEDICAL FREEZERS
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Summary of Contents for KingsBottle MLF450
- Page 1 OPERATION MANUAL BIOMEDICAL FREEZER Applicable Models: MLF450 | MLD450 | MLRF450 MLF450 Biomedical Freezer MLD450 Ultra Low Temperature Freezer MLRF450 Combined Refrigerator and Freezer BEFORE USE, PLEASE READ AND FOLLOW ALL SAFETY RULES AND OPERATING INSTRUCTIONS BIOMEDICAL FREEZERS...
- Page 3 PART VI Maintenance Guide install or provide maintenance for this device. Only use spare parts sold by KingsBottle. If other After-sale Service accessories are used, we cannot be held Annex1: Rechargeable Battery responsible for any adverse consequences.
- Page 4 SAFETY PART I PRECAUTIONS FOR SAFE OPERATION Be sure to install the unit on a sturdy floor. If the floor is not • sturdy or the installation site has inadequate flooring, the Please read this user manual carefully and store near the device for unit may fall or tip over resulting in injury.
- Page 5 SAFETY PART I PRECAUTIONS FOR SAFE OPERATION The biomedical freezer should only be used as a storage • device. Use a power supply outlet that is properly grounded to Always hold the handle while closing the door. This will reduce •...
- Page 6 SAFETY PART II PRECAUTIONS FOR USE When the temperature in the freezer has reached the set temperature, put the items in the freezer in batches. No more than 1/3 of the volume of • items should be used per batch to avoid the temperature rising too much. The temperature display will show the temperature around the sensor initially.
- Page 7 INSTALLATION PART III INSTALLATION INSTALLATION ENVIRONMENT The Ambient temperature is 16°C~32°C, while the optimal ambient temperature is 18°C~25°C. An air conditioning system may be required to • maintain ambient temperature. Relative humidity: ≤80%RH • No strong vibration and no corrosive gases nearby. •...
- Page 8 INSTALLATION PART III INSTALLATION STANDING After unpacking, the freezer must be allowed to stand upright for at least 2 hours to allow the lubricant and refrigerant to flow back to the • compressor and stabilize. Failure to do so may affect the performance and service life of the freezer. FOR INITIAL START Operate as follows for the first start: Connect the power cord to the appropriate socket.
- Page 9 FEATURES PART IV DIAGRAM & DESCRIPTION OF FREEZER MLF450 Biomedical Freezer MLRF450 Combined Refrigerator and Freezer MLD450 Ultra Low Temperature Freezer As the product is improved and the model changes, the actual product may be different from the sample diagram.
- Page 10 OPERATION PART V DISPLAY PANEL FUNCTION DESCRIPTION 1. Function description of control panel The temperature display will show the average is the set / mute key. Press this for the inside temperature. temperature of the upper chamber and the lower chamber inside the After 5 seconds, the normal display is restored.
- Page 11 OPERATION 2. Functional settings: A. Connect the power supply and flip the power switch located on the back of the unit. The unit will then enter the normal working state. B. To access user parameter settings, first unlock the unit. To unlock: under normal operating conditions, press for 3 seconds at the same time, the digital display will show PS1 in the upper...
- Page 12 OPERATION D. Parameter display. Serial Menu Parameter Range Suggest Setting Remarks Number Values Hardware version Software version MLF series: -10~-25 MLF series: -25 Set1 MLD series: -20~-40 MLD series: -40 Upper chamber temperature setting MLRF series: 2~8 MLRF series: 5 High temperature alarm set value +H;...
- Page 13 OPERATION E. Alarm Display Alarm code Issue description Upper chamber high temperature alarm Upper chamber low temperature alarm Low chamber high temperature alarm Low chamber low temperature alarm High ambient temperature alarm Door Door open alarm Power failure alarm Low battery alarm Communication failure Upper chamber temperature sensor alarm Lower chamber temperature sensor alarm...
- Page 14 MAINTENANCE PART VI MAINTENANCE CAUTION For personal safety, please unplug the power supply before any maintenance! • Don't inhale medications or aerosols around the device or it will endanger your health. The biomedical freezer is direct-cooling and may have • the risk of icing.
- Page 15 AFTER-SALE SERVICE PART VII AFTER-SALE SERVICE Please observe the correct operation of this biomedical freezer. If there is any issue, please troubleshoot the error with the following table. If the issue cannot be fixed, please inform our service center. We will serve you as quickly as possible to avoid any loss items or time. PROBLEM POSSIBLE CAUSE Power outage has occurred...
- Page 16 AFTER-SALE SERVICE Annex1: Rechargeable Battery Maintenance, Installation, Replacement and Disposal During long term power failure or in the process of transportation, the main power switch must be turned off. Otherwise, this could cause battery loss or permanent damage, and may not work normally after returning power to unit. Maintenance of rechargeable batteries: In order to prolong the battery life, please avoid idling the product.
- Page 17 SPECIFICATIONS PART VIII SPECIFICATIONS Model Number MLF 450 MLD 450 MLRF450 Capacity(L） 450,R:225,F:225 Internal R:650*570*627，F:650*570*627 (650*570*627)*2 (650*570*627)*2 Size(W*D*H)mm External 810*735*1960 810*735*1960 810*735*1960 Size(W*D*H)mm Package 895*820*2035 895*820*2035 895*820*2035 Size(W*D*H)mm NW/GW(Kgs) 136/148 144/156 146/159 Performance -10～-25℃ -20～-40℃ R:2～8，F:-10～-40 Temperature Range Ambient Temperature 16-32℃ 16-32℃ 16-32℃...
- Page 18 Warranty is only honored for the unit which is used in the countries where the unit was initially purchased. And, if your product was purchased at any 3rd party retailer and not directly from KingsBottle, we do not offer an extended warranty policy. You MUST contact the retailer of purchase directly.