420L Ultra Low Temperature Freezer

420L Ultra Low Temperature Freezer

Purpose & Summary
The first 420L ultra low temperature freezer with mobile message alarm and remote monitoring function in the world.
Haier ultra low temperature freezers are suitable for use in blood banks, hospitals, epidemic prevention services, research institutes, electronics and chemical plants laboratories, biological engineering institutes, and transoceanic fishery companies.

Special Features
1. Temperature Control
The 420L ultra low temperature freezer is microprocessor controlled, and digital display with a 1℃ temperature increment and an adjustable cabinet temperature range of -40℃ ~ -86℃.
2. Safety Control System
1) Malfunction alarms include conditions such as the temperature exceeding the set range, power failure, sensor error, voltage range exceeded, condenser under efficiency, and ambient temperature exceeding the acceptable range.
2) All individual parts in the 420L ultra low temperature freezer are grounded safely.
3) Multiple level protection functions include password input, start-up delay protection, and voltage protection in the event of low or high voltage.
4) Audible and visible alarm indications via sounding buzzer and flashing light.
5) Every HAIER ultra low temperature freezer has a controller on the front of the cabinet door with built-in software which displays the necessary components (such as compressors, voltage sensors, and cabinet and ambient temperature sensors) to aid in quickly identifying the cause of a fault or set a temperature variance. We call this SYSTEMS MONITORING AND REPORTING TECHNOLOGY and it enables display of the part that is having a problem on the controller itself. This type of inbuilt fault identification can help the customer identify and report to our service staff which part is in need of repair should it become necessary for our service engineers to come onsite.
3. Refrigeration System
1) Optimized cascade refrigeration technology.
2) High efficiency Danfoss compressor.
3) The 420L ultra low temperature freezer has extra thick, high-density insulation material for maximum temperature preservation.
4) Features of triple-layer sealing structure and heat-insulation system to reduce frost formation.
5) Specially designed computer control system for low temperature stage to prevent over loading of the second stage compressor.
4. Ergonomic Design
1) LED display for easy observation of cabinet temperature, set temperature, ambient temperature, input voltage, temperature alarm settings and early warnings for malfunctions.
2) The 420L ultra low temperature freezer has an adjustable multi-level shelf system for easy operation.
3) Safety lock to prevent unauthorized access.
4) Broad 10℃~32℃ ambient working temperature range.
5) Innovative integrated door handle and lock, compact casters, and flexible and easy operation.
6) Pressure-equalizing port for ease of re-entry after closing the door.
7) The 420L ultra low temperature freezer comes with an intelligently controlled condenser fan for higher energy savings.
8) Advanced remote monitoring and voltage compensation system.
9) Optional storage box.
5. VIP Temperature Preservation Technology
1) The 420L ultra low temperature freezer features of improved insulation performance with thinner walls.
2) Reduced heat transmission from ambient temperature.
3) Small unit footprint area.
4) Freezer interior volume of 420L ultra low temperature freezer is increased.
5) Use of flame retardant VIP materials.
6) Use of pollution-free, nano-materials and CFC free.

Specifications of 420L Ultra Low Temperature Freezer

Model No. DW-86W420
Voltage (V/Hz) 220/50
Input Power (W) 3/4HPX2
Temperature Range (℃) -40 to -86
Exterior Dimensions (mm) (WxDxH) 2130X870X1020
Interior Dimensions (mm) (WxDxH) 1367X462X652
Liters (l) 420
Net/Gross Weight (kg) 310/357
Shelf/Inner Doors -/3

Haier is a Chinese 420L ultra low temperature freezer manufacturer. Our wide range of products includes blood bank refrigerator, cryo freezer, pharmaceutical refrigerator, and washer disinfector, among others.

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