PRODUCT NEWS –
Star Refrigeration
Star Refrigeration’s new generation of industrial pre-packaged low charge ammonia freezers have been improved with the aim of setting a new benchmark in annual operating efficiency.
Designed for food processing and temperature controlled storage applications, the ultra-efficient Azanefreezer 2.0 technology is charged with as little as 0.52 kg/kW of natural refrigerant ammonia and is expected to make businesses greener.
A European study from the International Institute of Refrigeration (IIR) showed average European energy consumption figures for chilled and frozen storage facilities across Europe were about 50% higher than the figure declared to be ‘Best Practice’ by the UK government. However, recent energy performance data analysis for Azanefreezer 2.0 indicates its annual energy usage is one-third of this ‘Best Practice’ guideline figure. The Azanefreezer 2.0 uses onboard PLC hardware and software to deliver optimised system efficiency, including compressor sequencing and condenser and evaporator EC fan speed control. The Azanefreezer 2.0 also takes full advantage of the variable Vi capability of the compressor by using an air-cooled condenser and allowing the discharge pressure to drop extremely low in cold weather, thus improving the seasonal efficiency of the system. Additionally, Star Refrigerations’s patented 4-way valve delivers a rapid, efficient reverse cycle defrost, using less energy than electric or hot gas systems.
The low charge ammonia design of the Azanefreezer 2.0 reduces refrigerant charge by up to 96% compared to traditional ammonia systems and avoids the need for complex valve stations within the cold storage or food production facility. This removes the requirement for leak detection and ventilation, minimising health and safety concerns.
The Azanefreezer 2.0 is available in a range of capacities up to 650kW and delivers temperatures down to -40°C. For larger capacity installations, multiple units can be used for cold storage and blast and spiral freezing applications, offering end users a turnkey solution. The packaged freezer units boast a portable design which allows customers to easily relocate it should they need to expand their site or move premises, thereby reducing future costs. The Azanefreezer 2.0 is manufactured and pre- commissioned at Star Refrigeration’s production facilities in the UK.
www.star-ref.co.uk
Williams Refrigeration
After over a decade working alongside butchers, Michelin-star chefs and casual dining operators who specialise in offering
their customers dry aged beef, Williams has acquired leading expertise in the process. Now, alongside its established range of walk-in meat ageing models, Williams has launched a Meat Ageing Refrigerator. Key to the meat ageing process are the conditions in which the meat is stored. Williams’ Meat Ageing Refrigerator operates at the ideal temperature range of +1 to +6°C and provides humidity between 60- 90%, ensuring meat ages perfectly. Himalayan salt blocks assist with moisture management and improve the flavour of the meat. A stylish design is combined with a robust stainless steel construction. The meat ageing refrigerator can operate in environments up to 43°C and the interior is brightly lit with energy-saving LEDs, perfect for front of house display. Williams’ Chameleon wrap service can seamlessly slot the refrigerator into any décor or setting. The perfect ageing conditions are maintained using self-closing glass door, coupled with heavy duty, PVC magnetic balloon gaskets that provide a 100% tight seal.
www.williams-refrigeration.co.uk
Ziehl-Abegg
Ziehl-Abegg has certified its ZAbluefin product range for the new Fan Energy Index (FEI). 27 ZAbluefin centrifugal fans with GR modules in several combinations and using different motors are certified, as are the former product ranges Cpro and C.
In 2018, Air Movement and Control Association (AMCA) International introduced FEI to save energy, reduce operating costs, and accelerate decarbonisation. FEI is an energy efficiency metric for fans inclusive of motors and drives. The calculation method for the new metric is defined in ANSI/AMCA Standard 208, Calculation of the Fan Energy Index. This metric provides a standardised and consistent basis for comparing fan energy performance across fan types and sizes at a given fan duty point. Fan specifiers can use FEI to understand and communicate fan- efficiency design intent, while legislative and regulatory bodies can use it to define energy efficiency requirements of fans. The standard has been written to support the fan industry’s entrance into energy and construction codes and standards and to support utility rebate programmes.
www.ziehl-abegg.com
36 June 2019
www.acr-news.com
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