Advansor CO2
CO2 Transcritical Booster System for Display Case Refrigeration
The Advansor CO2 transcritical booster display case refrigeration system is an HFC-free refrigeration alternative that utilizes carbon dioxide as the only refrigerant in the system. Supermarkets, grocery stores, small format and large format food retailers can take advantage of the inherent benefits of CO2 and combine them with those of other Second Nature systems – reducing direct refrigerant emissions to the lowest level possible.
The Advansor CO2 transcritical booster display case refrigeration system is an HFC-free refrigeration alternative that utilizes carbon dioxide as the only refrigerant in the system. Supermarkets, grocery stores, small format and large format food retailers can take advantage of the inherent benefits of CO2 and combine them with those of other Second Nature systems – reducing direct refrigerant emissions to the lowest level possible.
Our Zero Leak Initiative has made our systems the tightest in the industry. We harness the best technologies and field-proven procedures and fit them to a higher set of standards.
CO2 Transcritical Booster System for Display Case Refrigeration
The Advansor CO2 transcritical booster display case refrigeration system is an HFC-free refrigeration alternative that utilizes carbon dioxide as the only refrigerant in the system. Supermarkets, grocery stores, small format and large format food retailers can take advantage of the inherent benefits of CO2 and combine them with those of other Second Nature systems – reducing direct refrigerant emissions to the lowest level possible.
The Advansor CO2 transcritical booster display case refrigeration system is an HFC-free refrigeration alternative that utilizes carbon dioxide as the only refrigerant in the system. Supermarkets, grocery stores, small format and large format food retailers can take advantage of the inherent benefits of CO2 and combine them with those of other Second Nature systems – reducing direct refrigerant emissions to the lowest level possible.
Advansor Components
Features & Benefits
- Air-cooled gas cooler with variable-speed fans.
- Electronic-controlled, high-pressure control valve and flash gas bypass valve ensure optimal performance at all ambient conditions.
- Simple electronic oil management system ensures adequate lubrication and long compressor life.
- A suction accumulator and heat exchanger protect low-temperature system from liquid flood-back.
- CO2 reciprocating compressors for both low- and medium-temperature loads have proven themselves in thousands of installations worldwide.
- Specially-designed evaporator coils for CO2 direct expansion operation provide good oil return back to the system.
- Electronic expansion valves on all evaporators ensure efficient coil operation.
- It’s an HFC-free system – CO2 (R-744) is the only refrigerant used.
- CO2 is a “natural refrigerant” that is non-ozone-depleting (ODP=0) with almost no global warming potential (GWP=1).
- CO2 transcritical systems have proven themselves in thousands of installations throughout Europe.
- Advansor technology has over 2000 installations and counting.
- The system’s higher quality heat reclaim opportunities improve store energy performance.
- Advansor systems require a lower CO2 charge and have a smaller weight and footprint compared to CO2 secondary systems.
- More efficient than conventional HFC systems in some climates.
- An excellent way to help achieve GreenChill Platinum-Level Certification.
How it Works!
The Advansor CO2 booster system is a transcritical CO2 system that provides both low- and medium-temperature refrigeration to display cases and walk-ins without relying on any synthetic refrigerants.
Advansor systems utilize case controllers to monitor case performance and keep tabs on temps, alarms, etc. They also control the evaporator superheat and what’s more, they do it remotely. No more need to install temperature probes and run wires across the store. This savings, plus the safety of CO2 as a “future-focused solution” — forget worries about other refrigerants, only adds to the list of reasons to install an Advansor system. Now, here’s how it works: The cooling cycle begins with liquid CO2 in the flash tank (receiver). The liquid is distributed to coolers, freezers, and cases via a network of copper piping. Electronic expansion valves (EEVs) control the flow of CO2 into the evaporators which have been specially designed to ensure efficient operation in CO2 booster systems. Suction gas from the low-temp evaporators returns to the rack and is compressed by the low-temp compressors to the pressure of the medium-temp evaporators. Suction gas from the medium-temp evaporators returns to the rack and is combined with the discharge gas from the low-temp compressors and with flash gas exiting the flash tank via the flash gas bypass valve. This mixture enters the medium-temp compressors and is compressed to high pressure and is sent to the gas cooler where it is cooled to near ambient temperature — in cooler weather, the CO2 in the gas cooler condenses similar to conventional systems.
From the gas cooler, the CO2 enters the high-pressure control valve where it is expanded back to subcritical pressures. The CO2 then enters the flash tank where it is separated into liquid and gas and the cycle begins again.
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