Flow into A2L with efficient gas sensors for HVAC and Commercial refrigeration systems
Flow into A2L refrigerant gas detection with the new DST Gxxx refrigerant detection sensors by Danfoss Sensing Solutions, built with performance and reliability at the forefront. Detecting refrigerant leaks is crucial for maintaining system efficiency and preventing costly damage.
Commercial refrigeration systems are crucial for maintaining the quality and safety of both food and beverages. These systems ensure that perishable items are stored at the right temperatures to prevent spoilage and extend shelf life. They are widely used in various industries, including supermarkets, convenience stores, and food companies.
To find commercial refrigeration systems, businesses often look at the types of systems available, such as rack refrigeration systems and walk-in coolers, and consider key parameters for choosing the right system.
When selecting a new system, businesses must consider factors such as space requirements, types of storage, and cost implications. This ensures that the chosen system meets their specific needs and operates efficiently
Introduction to Commercial Refrigeration Systems
Commercial refrigeration systems are essential for food and beverage companies, convenience stores, and other businesses that require precise temperature control to maintain the quality and safety of their products. These systems are designed to remove heat from a specific area, keeping perishable goods at a consistent temperature. Commercial refrigeration equipment is used in a variety of applications, including walk-in coolers, walk-in freezers, and refrigerated display cases. The goal of a commercial refrigeration system is to provide a reliable and energy-efficient solution for maintaining the desired temperature, while also ensuring compliance with food safety regulations. By maintaining the right temperature, businesses can ensure the freshness and safety of their products, ultimately protecting their reputation and bottom line.
DST Gxxx A2L refrigerant detection sensors
DST Gxxx A2L gas detection sensors feature a revolutionary inverted design, which protects the sensor in harsh environments, supporting 5 different A2L refrigerants with the option of additional refrigerants added upon demand. Using Thermal conductivity, a field proven technology, our sensors meet the requirements for HVACR equipment.
With patented top-down design that protects sensors from all common contaminants you can get 15+ years of performance as estimated per our extensive internal testing. In rack refrigeration systems, multiple compressors work together to achieve efficient cooling. Metering devices play a crucial role in maintaining the desired temperature by decreasing the pressure of the refrigerant. Proper installation and calibration are essential to ensure the system operates efficiently.
Prioritize safety, reduce maintenance and ensure supply
Proven high-speed thermal conductivity sensors delivers excellent response time, ensuring maximum safety for users and equipment. Certain gas detection systems, such as the MGS-410 and MGS-460, simplify compliance with refrigeration safety codes, making it easier for users to adhere to regulations. And as a leading tech developer with in-house production, Danfoss offers a resilient supply chain, ensuring to meet your demands and maintain a steady delivery to support your business growth.
Features and benefits
Versatility
Flexible design, suitable for applications use with R454B and R32 refrigerants (DST G200 only). Maintaining door seals is crucial to retain cool air within the refrigeration units, preventing warm air from entering and ensuring optimal performance.
Rapid and Accurate Leak Detection
Compensated over full range of temperature, humidity, and pressure ranges, ensuring accurate leak detection across various temperatures.
Eliminate False Alarms with Dewpoint Avoidance
Dewpoint monitoring and heated enclosure prevents condensation in the housing.
Immune to Dust, Oil and Water Spray
Strategic, patent-pending sensor positioning using diffusion flow principles protects sensor from exposure.
UV Protected
All exposed materials are impervious to sustained UV exposure.
No Field Service Requirements
Permanent factory calibration. No field adjustments or re-zeroing during 15+ year life as estimated per our extensive internal testing.
Minimized “Silent” Failures
Robust “full signal chain” diagnostics check for faults and integrity of signal chain.
Easy System Integration
Flexible hardware and software to customer’s application specifications.
Articles
Thermal conductivity: the best technology for the A2L HVACR market
This whitepaper answers two key questions: why thermal conductivity is the best technology for quickly and accurately detecting A2L gas leaks and how product design impacts a thermal conductivity sensor’s effectiveness and durability.
Applications
The DST Gxxx A2L Refrigerant detection sensors are designed with focus on:
HVAC
Computer Room Air Conditioners (CRAC) units, Residential and Commercial Heat Pumps, Rooftops and A/C Scroll chillers.
Commercial refrigeration
Cold rooms, display cabinets, compressor racks/packs.
Coil manufacturers
System builders requiring a dual refrigerant gas sensor.
Other industries
With applications using A2L refrigerants.
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Data sheet | A2L Gas Sensor, Types DST G54A, DST G54C, DST G55A | English | Multiple | 06 Apr, 2025 | 3.1 MB | |
| Data sheet | A2L Gas Sensor, Types DST G54B, DST GR32 | English | Multiple | 06 Apr, 2025 | 1.5 MB | |
| Installation guide | A2L Gas Sensors, Relay, MODBus and Dual Output | English | Multiple | 22 Aug, 2023 | 425.0 KB | |
| Installation guide | A2L Gas Sensors, Relay, MODBus and Dual Output | French | Multiple | 13 Nov, 2024 | 418.8 KB | |
| Brochure | DST G-series A2L refrigerant detection sensors brochure | Spanish, Castilian | Spain | 11 Mar, 2025 | 1.0 MB | |
| Brochure | DST G-series A2L refrigerant detection sensors brochure | English | Multiple | 28 Mar, 2025 | 1.1 MB | |
| White paper | Thermal conductivity: the best technology for A2L HVACR market | English | Multiple | 16 Jan, 2024 | 3.4 MB |
Approvals
CE marked
RoHS compliant
UL 60335-2-40
UL 60335-2-89
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