The Across International Ai RapidChill -86°C Ultra-Low Temperature Freezer is engineered for rapid cooling, ultra-low power consumption, quiet operation, and reliable long-term storage of critical biological samples. Designed for laboratory, pharmaceutical, and research environments, this stackable ULT freezer delivers stable ultra-low temperature performance in a compact footprint.

Featuring advanced Vacuum Insulated Panel (VIP) insulation and an environmentally friendly hydrocarbon refrigeration system, the RapidChill freezer provides efficient cooling performance while reducing energy consumption and operating noise. The freezer can reach -86°C in approximately 4 hours and maintains a temperature uniformity of ±4°C.

With USB data storage, RS-485 communication, integrated alarm systems, and secure access controls, the RapidChill series provides dependable protection for sensitive biological materials.

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Key Features

• Ultra-low temperature range: -40°C to -86°C
• Rapid cooling to -86°C in approximately 4 hours
• VIP vacuum insulated panel technology for superior insulation
• Energy-efficient hydrocarbon refrigeration system
• Microprocessor temperature controller with digital display
• 48-hour battery backup for controller and alarm system
• USB data logging with up to 15 years of stored temperature data
• RS-485 communication for remote monitoring
• Stackable design for space-efficient laboratories
• Extremely quiet operation (46 dBA)
• UL certified for laboratory safety compliance

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Ideal Applications

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

• COVID-19 vaccine storage
• DNA and RNA sample storage
• Virus sample preservation
• Serum and organ storage
• Pharmaceutical laboratories
• Biotechnology research facilities
• Medical laboratories

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

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Advanced Insulation & Cooling Technology

The RapidChill series features state-of-the-art Vacuum Insulated Panel (VIP) insulation, which significantly improves thermal performance while reducing energy consumption.

Combined with a hydrocarbon refrigeration system using R600A, R1150, and R50 refrigerants, the system delivers:

• Faster cooling performance
• Lower power consumption
• Reduced environmental impact
• Increased 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
• Filter clogging alarm
• System failure alarm
• Low battery alarm
• Password protection
• Lockable external door

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Technical Specifications

Electrical Requirements

Voltage: 110V (±10%)

Frequency: 60Hz

Phase: Single Phase

Power Consumption: 680 Watts

Daily Energy Consumption: 5.5 kWh/day

Current: 6A

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Temperature Performance

Temperature Range: -40°C to -86°C

Time to Reach -86°C: Approximately 4 hours

Temperature Uniformity: ±4°C

Recovery Time (-86°C to -50°C): 2 hours (door closed, ambient 25°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:

• Locked
• Running
• Power status
• Alarm
• Door open
• Over temperature
• Battery low
• Condenser cleaning indicator

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Compressor System

Compressor Brand: SECOP (formerly Danfoss, Germany)

Cooling Method: Direct cooling

Compressor Power: 0.54 HP

Number of Compressors: One

Refrigerants: R600A, R1150, R50

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Chamber Specifications

Interior Dimensions: 13 x 19.5 x 24.5 inches (W x D x H)

Interior Material: Powder Coated Steel

Effective Capacity: 3.5 Cubic Feet

Cryo Box Capacity: 60 boxes (5 x 5 x 2 inch)

Insulation: VIP (Vacuum Insulated Panel)

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Shelving

Included Shelves: 1 Adjustable Shelf

Compartments: 2

Shelf Material: 304 Stainless Steel

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Door & Sealing System

Inner Doors: 2 stainless steel inner doors

External Door: 1 lockable door

Sealing System: Four-layer silicone sealing gasket

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Access Ports

Total Access Ports: 1

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Communication & Data Logging

Standard Interfaces:

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

Optional:

• 4-20mA transmitter

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Mobility

Built-in swivel casters with leveling feet included.

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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

46 dBA

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Dimensions & Weight

Unit Dimensions: 30 x 26 x 32 inches (W x D x H)

Shipping Dimensions: 33 x 29 x 35 inches

Unit Weight: 240 lbs

Shipping Weight: 300 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:

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

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Certifications & Compliance

Certified to:

• UL 61010-1
• CSA C22.2

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What's Included

• Ai RapidChill 4 Cu Ft -86°C Ultra-Low Temperature Freezer (UL Certified)
• Adjustable shelf
• Top panel supports (4)
• Keys (2 sets)
• Leveling feet (4)
• Ice scraper
• Wall brackets (2)
• 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 mobile platform use.

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Warranty

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