The Across International Ai RapidChill G20h -86°C Ultra-Low Temperature Freezer is engineered for fast cooling, low energy consumption, ultra-quiet operation, and dependable long-term storage of sensitive biological materials. Designed for laboratories, research institutions, hospitals, and pharmaceutical facilities, this 20.4 cubic foot ULT freezer delivers reliable temperature stability for critical sample preservation.

The RapidChill series utilizes advanced Vacuum Insulated Panel (VIP) insulation combined with an energy-efficient hydrocarbon cascade refrigeration system, enabling rapid cooling performance while minimizing energy usage. The unit can reach -86°C in approximately 5.5 hours and maintains temperature uniformity of ±4°C throughout the chamber.

Equipped with dual compressors, USB data logging, RS-485 communication, and advanced alarm monitoring, the Ai RapidChill G20h ensures secure, compliant storage for vaccines, biological samples, and laboratory materials.

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Key Features

• Ultra-low temperature range: -40°C to -86°C
• Large 20.4 cubic foot storage capacity
• Energy Star certified energy-efficient design
• Dual compressor cascade refrigeration system
• Vacuum Insulated Panel (VIP) insulation for superior thermal efficiency
• Microprocessor temperature controller with digital display
• 48-hour battery backup for alarms and controller
• USB data logging with up to 15 years of temperature storage
• RS-485 remote monitoring capability
• Extremely quiet operation at approximately 50 dBA

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Ideal Applications

The Ai RapidChill Ultra-Low Temperature Freezer is designed for:

• Vaccine storage
• DNA and RNA sample preservation
• Virus sample storage
• Serum and organ preservation
• Pharmaceutical laboratories
• Biotechnology research facilities
• Medical research institutions

The unit is CDC and VFC compliant, making it suitable for regulated medical environments.

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Advanced Cooling & Insulation Technology

The RapidChill series utilizes VIP (Vacuum Insulated Panel) insulation, dramatically improving insulation efficiency compared to traditional foam.

Combined with a hydrocarbon cascade refrigeration system using R290 and R170 refrigerants, the system provides:

• Faster temperature pull-down
• Lower energy consumption
• Reduced environmental impact
• Superior temperature stability

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Security & Alarm System

The freezer includes comprehensive monitoring and protection features:

• High temperature alarm
• Low temperature alarm
• Power failure alarm
• Door open alarm
• Condenser clogging alarm
• Sensor failure alarm
• High ambient temperature alarm
• Password protection
• Lockable external door

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Technical Specifications

Electrical Requirements

Voltage: 110V (±10%)

Frequency: 60Hz

Phase: Single Phase

Power Consumption: 1000 Watts

Daily Energy Consumption: 8.5 kWh/day

Energy Efficiency: Energy Star Certified

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Temperature Performance

Temperature Range: -40°C to -86°C

Time to Reach -86°C: Approximately 5.5 hours

Temperature Uniformity: ±4°C

Recovery Time (-86°C to -50°C): 4.5 hours (door closed)

1-Minute Door Open Recovery: 40 minutes (ambient 25°C, running temp -75°C)

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Controller

Controller Type: Microcomputer controlled with analog display

Temperature Adjustment Step: 1°C

Temperature Sensor: PT100

Display Information:

• Internal temperature
• Ambient temperature
• Input voltage
• Error codes

Indicators include:

• High/low temperature alarms
• Battery alarm
• Sensor failure indicator
• Power failure alarm
• Condenser failure indicator
• Door open warning
• High ambient temperature indicator

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Compressor System

Compressor Brand: SECOP (formerly Danfoss, Germany)

Cooling Method: Direct cooling

Number of Compressors: Two

Compressor Power: 0.54 HP each

Refrigerants:

• Stage 1: R290
• Stage 2: R170

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Chamber Specifications

Interior Dimensions: 24.4 x 28.2 x 51.6 inches (W x D x H)

Interior Material: Powder Coated Steel

Storage Capacity: 20.4 Cubic Feet

Cryo Box Capacity: 400 boxes (5 x 5 x 2 inch)

Insulation: VIP (Vacuum Insulated Panel)

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Shelving

Included Shelves: 3 Adjustable Shelves (4 compartments)

Shelf Dimensions: 23.8 x 26.7 inches

Shelf Capacity: 175 lbs per shelf

Shelf Material: 304 Stainless Steel

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Door & Sealing System

Inner Doors: 4 inner doors with sealing gaskets

External Door: 1 lockable door

Sealing System: Four-layer silicone sealing gasket

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Access Ports

Total Access Ports: Two

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Communication & Data Logging

Standard Interfaces:

• USB data logging (stores up to 15 years of temperature data)
• RS-485 communication

Optional:

• 4-20mA transmitter

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Operating Environment

Temperature: 10°C to 32°C

Humidity: <80% RH

Altitude: Below 2000 meters

Installation Requirements:

• Maintain 12 inches clearance from walls
• Use dedicated grounded power outlet
• Extension cord must be less than 10 feet

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Noise Level

50 dBA

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Dimensions & Weight

Unit Dimensions: 36 x 38.5 x 77 inches (W x D x H)

Shipping Dimensions: 40 x 42 x 82 inches

Unit Weight: 660 lbs

Shipping Weight: 730 lbs

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Safety Protections

• Compressor over-temperature protection
• Ambient over-temperature protection
• Compressor surge delay protection
• Sensor failure protection
• Over-temperature and low-temperature protection
• Power failure protection
• Ground protection

Alarm notifications include:

• Low battery
• Door open
• Condenser clogging
• System failure

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Certifications & Compliance

Certified to:

• UL 61010-1
• CSA C22.2
• Energy Star

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What's Included

• Ai RapidChill G20h -86°C Ultra-Low Temperature Upright Freezer

• Adjustable shelves (3)

• Ice scraper

• Door keys (2)

• Mounting brackets

• User manual

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Important Setup Instructions

Allow the freezer to stand upright for 24 hours before powering on after delivery.

This unit is not designed for use on a mobile platform.

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Warranty

2-Year Full Service Warranty
5-Year Parts Warranty
10-Year Compressor Warranty