A chiller for biscuit manufacturing giants

A chiller for biscuit manufacturing giants

A new air cooled chiller plant from Daikin UK has been installed at United Biscuits' Harlesden factory. United Biscuits is one of the UK’s leading manufacturers of biscuits. The introduction of a healthier version of McVities Rich Tea biscuits with a 50% reduction in saturated fats required the modification of production facilities at the factory to support the changeover.

Although the Harlesden factory is the largest biscuit manufacturing plant in Europe and its process cooling lines and air conditioning were already served by 2500kW of cooling supplied by seven existing Daikin glycol chillers, the decision was taken to introduce additional plant to provide the extra cooling needed for the new low fat alternative.

The new R410A 130kW chiller was required to cool 28 ton loads of sunflower oil, delivered from the manufacturers every few days in tankers, at a temperature of 300C, a temperature somewhat higher than could be handled by the existing biscuit production plant. As a result, specialist contractor, ITEC Industrial Services Ltd, Halesowen, West Midlands – a company, which in the last few years has engineered and supplied all the site’s cooling requirements – was engaged
to design, project manage and install the new chilled watersystem.

According to ITEC managing director, Bob Garner, the dual chiller set point facility of the Daikin EWAQ130 chiller, plus its excellent part load efficiency - particularly important in matching the flexible process cooling requirements inherent in food production - were major factors behind its choice for the McVities plant.

The Daikin EWAQ130 air cooled chiller has multiple reliable and highly effi cient scroll compressors, which return a high EER value at full load and excellent part load efficiencies and a new Pcaso’ controller with user friendly and powerful LCD interface. Also, electronic expansion valves, rare at this low capacity end
of the market, ensure precise capacity control.

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Daikin UK

Daikin UK

Daikin UK is a market leader in environmentally responsible renewable energy heat pumps, ventilation and air conditioning systems. The company provides energy efficient integrated climate control solutions for applications in domestic, commercial and...
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