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J& E Hall uses natural refrigerant for ice rink

J& E Hall uses natural refrigerant cooling system to chill Oxford’s ice rink

Oxford’s popular ice rink has benefitted from a major improvement programme that includes a custom-built natural refrigerant cooling system installed by J & E Hall.

The company’s South East Division secured the contract to supply a bespoke 360kW Ammonia Chiller featuring two HallScrew compressors for built in redundancy and designed in accordance with BS EN 378:2008

J & E Hall says ammonia was specified as it offers an organic and natural refrigerant with an ODP (Ozone Depletion Potential) of zero, negligible GWP.

Furthermore, it’s claimed it offers better efficiencies than blended refrigerant gases, while ammonia’s superior thermodynamic qualities also mean less electricity is used and its recognisable odour is a safety asset as any leaks are unlikely to escape detection.

The plant design incorporated variable frequency drives for capacity control to enhance the performance of the chiller at part load, which can reduce running cost by up to 20 per cent with a pay back on its cost of less than 18 months.

J & E Hall had to complete the work within a three-week time frame. 

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