CO₂ Refrigeration : A Proven Sustainable Alternative

Integrated CO₂ Refrigeration Solutions from Copeland

Our ever-expanding CO2 product portfolio includes a breadth of solutions for supercritical, cascade and secondary architectures.

CO₂ Refrigeration System Components

For more than a decade, Copeland has been developing compression technologies and related components to support complete CO2 system solutions. Our collective commitments to engineering innovation and industry stewardship have helped to advance CO2 refrigeration technologies and accelerate their global adoption. Combining compression technology, advanced facility management and CO2 system controls, VFDs, leak detection, CO2 system components and expert services, we deliver seamless system integration that enables maximum system reliability, efficiency and simplicity.

CO₂ Copeland Compressor Technologies

ZO Subcritical CO₂ Scroll Compressor

Copeland ZO subcritical CO₂ scroll compressors are designed to exploit the characteristics of CO₂ refrigeration systems. The efficiency, reliability and liquid handling advantages of Copeland scroll technologies make it ideal for these applications. Features of the lineup include:

6 displacements from 1 to 6 horsepower
23 to 104 MBH; rated at -25 degrees F saturated discharge temperature
3 digital displacements (2, 3.5, and 6 HP at full capacity), providing 10 to 100% capacity modulation

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4MTLS Supercritical CO₂ Semi-hermetic Compressor

Copeland 4MTLS supercritical CO₂ semi-hermetic compressors with four-cylinders are the ideal solution for R-744 supercritical booster systems. The compressor line is characterized by a design operating pressure of 1740 psig (120 bar). All compressors are equipped with Copeland compressor electronics technology, offering faster system troubleshooting & protection.

UL recognized
Integrated high pressure ASME certified safety valves
Discharge temperature protection
Service valve rotates 360 degrees for ease of piping design
Three sight glasses for mounting of oil management control
One oil port for oil equalization in parallel system

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4MSLS Subcritical CO₂ Semi-hermetic Compressor

The Copeland 4MSLS subcritical CO₂ semi-hermetic compressor product line can withstand higher stand-still pressures. The product line include three displacements from 407 to 765 CFH with onboard diagnostics, offering faster system troubleshooting and protection from problems before they occur.

The capacity range of the 4MSLS product line ranges from 33 to 179 MBH at -25 degrees F evaporating, 20 degrees F saturated discharge temperature at 60 Hz. The Copeland subcritical CO₂ semi-hermetic compressor line can be applied with a variable speed drive to allow for precise load matching and smooth system operation, with drive inputs from 25 to 70 Hz.

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CO₂ Advanced Controls for System Management

E3 Supervisory Control

The E3 controller for CO₂ applications is part of Copeland’s next generation of facility management and refrigeration control platform. This CO₂-specific version of the E3 controller streamlines management of essential facility systems and provides advanced CO₂ supercritical booster refrigeration control in an easy-to-use platform. It’s designed to optimize system performance in multiple ways:

Reduces set-up complexity by consolidating multiple applications into one, CO₂ -specific workflow
Provides visual overview of entire CO₂ system operation in one screen
Supports customization of all required system values in one view
Assists users to manage entire CO₂ supercritical rack system
Enables faster system start-up via a simplified, one-time setup and tuning of system parameters

E3 for CO2 brochure

XM600 Series Case Control

Copeland case controls for CO₂ systems deliver worry-free, case-level system optimization and seamless integration with the E3 supervisory control for CO₂ applications. The XM600 series case control:

Manages defrost and minimum defrost time
Controls pump down before defrost
Supports multiple probe regulation
Integrates with the E3 supervisory control for CO₂ applications, E3 and Site Supervisor controllers, as well as Copeland’s E2 controller
Provides multiple parameter maps with DI switching for stand-alone use
Supports in-the-field firmware upgrade for enhanced serviceability

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CO₂ Leak Detectors

MRLDS 450 Leak Detectors

Copeland’s MRLDS-450 (modular refrigerant leak detection system) makes compliance with refrigeration safety codes simple and easy, saving time and money on equipment and installation. The MRLDS 450 leak detectors have additional CO₂ capabilities on select models. The MRLDS 450:

Detection range: 0–1,000 PPM
Integrates with Copeland supervisory controls
Interfaces with mobile app for quick, easy troubleshooting and calibration
Pre-calibrated sensors provide fast, easy sensor maintenance
Temperature-compensated measurement mitigates false alarms and optimizes accuracy in refrigeration applications
Low-temperature performance down to -40 °F/C

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RLDS Leak Detectors

The RLDS leak detection product platform has models specific for CO₂ applications.

Detection range: 0–10,000 PPM
Multi-zone, aspirated systems designed to detect leaks early and minimize refrigerant loss
Includes an audible alarm, front panel indicators and built-in relays to trigger external alarm devices in the event of a fault for immediate response
Continuously monitors up to 16 separate zones

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Copeland Variable Frequency Drives

EVM Series

Intended for applications where less control functionality is needed
Covers ½–30 HP range
Available in single- and three-phase input options
Equipped with onboard Bluetooth® capabilities for ease of use

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EVH Series

Designed for large, centralized rack applications that require more demanding motor control functionality
Covers 1–250 HP
Available in three-phase, including 575-volt options
Delivers advanced motor control

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Navigate the CO₂ Refrigeration Landscape with Our New E-Book

Environmental regulations and corporate sustainability targets have set the stage for wider adoption of CO₂ in commercial refrigeration. Discover Copeland’s innovative solutions that focus on simplifying the application of CO₂ systems with our free E-Book.

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Integrated CO₂ Refrigeration Solutions from Copeland

CO₂ Refrigeration System Components

CO₂ Copeland Compressor Technologies

ZO Subcritical CO₂ Scroll Compressor

4MTLS Supercritical CO₂ Semi-hermetic Compressor

4MSLS Subcritical CO₂ Semi-hermetic Compressor

CO₂ Advanced Controls for System Management

E3 Supervisory Control

XM600 Series Case Control

CO₂ Leak Detectors

MRLDS 450 Leak Detectors

RLDS Leak Detectors

Copeland Variable Frequency Drives

EVM Series

EVH Series

Navigate the CO₂ Refrigeration Landscape with Our New E-Book

CO₂ Resources & Expertise

Ready to take the next step in your sustainable refrigeration journey with Copeland’s CO₂ solutions?

CO₂ Copeland Compressor Technologies

ZO Subcritical CO₂ Scroll Compressor

4MTLS Supercritical CO₂ Semi-hermetic Compressor

4MSLS Subcritical CO₂ Semi-hermetic Compressor

CO₂ Advanced Controls for System Management

E3 Supervisory Control

XM600 Series Case Control

CO₂ Leak Detectors

MRLDS 450 Leak Detectors

RLDS Leak Detectors

Copeland Variable Frequency Drives

EVM Series

EVH Series