Responding to kitchen-safety legislation

19 March, 2005

Safety interlocks from CCL Veloduct shut down the gas supply to commercial kitchens if the ventilation fans fail.

To meet new legislation affecting ventilation systems for gas-fired catering equipment, CCL Veloduct has introduced a comprehensive range of fan safety interlock systems and controls. The new regulations require commercial kitchens to provide adequate ventilation via extract and input fans to control harmful gases and other fumes — and to shut off the gas supply if a fan fails. The regulations affect new kitchens and major changes such as fitting a new oven. Bespoke solutions can be delivered in about 48 hours. The approach is to measure the current drawn by the fan motor, enabling it to respond to events such as a broken belt drive or impeller blade or loss of supply. If the detected change is out of tolerance, the gas valve is closed. The standard interlock panel range will serve up to four fans with up to 10 A full-load current, with options up to 20 A.

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