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RapidChill -86°C ULT Freezer is UL certified and has standard 110Vpower. Comes Standard with Remote Monitoring

Call us for latest lead time and accurate freight costs. We also offer 4CF, 12 cubic foot, 20 cubic foot, and 26 cubic feet options.

For comparison the 4 cubic foot version can hold up to 4,680 Pfizer vaccines while the 12 cubic foot freezer can hold up to 32,100 Pfizer vaccine vials.

The Ai RapidChill series -86°C ultra-low upright ULT freezers and is great for storage of Covid-19 vaccines. The unit is designed for fast cooling, ultra-low power consumption, very low noise, and ease of maintenance. All RapidChill ultra-low freezers are UL certified. Only takes about 4to 5.5 hours depending on size to reach -86 degrees from Ambient temperature. And quick recovery time after door opening (1 minute)!

Rapid-Chill -86C ULT Freezer Features

  • CDC and VFC compliant, great for storage of Covid-19 vaccines, DNA, RNA, virus samples, organs, and serum
  • UL certified
  • Safe, environmentally friendly, energy efficient, and easy-to-acquire HC refrigeration system
  • Remote alarm, RS-485, 4-20mA transmitter
  • Door lock, high or low temperature alarms, power failure alarm, door open alarm, filter clogging alarm, password protection, tons of security features to protect you, your products, and the unit
  • Digital temperature display with microprocessor-based temperature controller
  • All stainless steel interior for clean operation, durability, and ease of maintenance
  • Dual silicon sealing gaskets for ultra airtight operation
  • 48-hour battery backup for controller and alarm
  • Extremely quiet and reliable
  • Built-in swivel casters with leveling feet

Additional options

  • Transmitter (+$500).
  • CO2 backup ($2500): CO2 back up system is a cooling backup system for low temperature freezers. When there is a loss of power or system failure, CO2 backup system will be automatically activated to inject Liquid carbon dioxide into the refrigeration equipment to maintain the freezer temperature. The backup system operates on a rechargeable battery when there is a power loss.

We also offer a 4 CF in the Glacier series.

Standard Package

Part description  Quantity
Part image
 Ai G04h -86°C ultra-low upright freezer 1 pc
 Remove-able shelf 1 pc
 Door and control panel key 2 sets
 User’s manual 1 pc



User Manual

For more documentation, please visit DigiVac’s folder.

Technical Specifications

Model  G04h
 Electrical requirements  110V (+/-10%) 60Hz 1-Phase 550W 6A
 Performance  Temperature range: -40°C to -86°C
Time from ambient to -86°C: 4 hours
Uniformity: ±4°C
Time from -86°C to -50°C with door close (ambient 25°C): 2 hours
 Controller  – Style: microcomputer controlled with analog display
– Range -40°C to -86°C
– Step: 1°C
– Thermo sensor: PT100
– Displays: internal temperature, ambient temperature, input voltage, error code
– Indicators: Locked, running, power, alarm, door open, over temperature
battery low, condenser clean
 Compressor  Make: SECOP (formerly known as Danfoss), Germany
Style: direct cooling
Power: 115V 60Hz 1-PHASE
Number of compressors: one
HC refrigerants: R600A, R1150 and R50
 Chamber  Dimensions: 13 x 19 x 25″ (WxDxH)
Material: powder coated steel
Effective capacity: 3.5 Cu Ft
 Shelf  Come with unit: one adjustable shelf (2 compartments)
Material: 304 stainless steel
 Door and gasket  Inner door: two, stainless steel
External door: one, with four layers of silicone sealing gaskets, lock-able
 Access port  One
 Noise level  46 dBA
 Communication  RS-485, 4-20mA transmitter, USB (stores 15 years of data for compliance purpose)
 Working environment  – Temperature: 10°C to 32°C (humidity <57% Rh required at 32°C)
– Humidity: <80% Rh
– Altitude: < 2000 m / 6561 Ft
– Stable, well-ventilated platform with no excessive dust
– Keep freezer at least 12 inches from any walls or ceiling
– Use dedicated power, do not share outlet
– Extension power cable should be less than 10 feet is required
– Freezer and power outlet should be grounded properly
– Avoid direct sunlight, water spill and do NOT use freezer outdoor
– Clean condenser fins and remove frost inside chamber at least one a month
 Battery backup system  48 hours (for controller display and alarms only)
 Unit/shipping weight & dimensions  240 Lbs / 300 Lbs
30 x 26 x 32″ / 32 x 28 x 39″ (WxDxH)
 Safety  Compressor over-temp protection
Ambient over-temp protection
Compressor power surge delay protection
Password protection
Sensor failure protection
Over-temperature and low-temperature protection
Power failure protection
Low battery, door open, condenser clogging, system failure alarms
External door with lock
Ground protection
 Compliance  UL certified
 Warranty  One year

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Ai Rapidchill -86C ULT freezer
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