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For most of the year, the volcanic sandstone walls of the Castle are illuminated with a warm white light. On holidays, such as St Andrew’s day, it is floodlit in blue. Other colours can be used for special events. Philips Color Kinetics LED fixtures are controlled through its IntelliPower mains borne signalling system enabling data to be carried on the same conductors that are used for transmitting the electrical power. This meant that no extra wiring was required to be added to the existing 230V mains supply.

been rejected due to physical constraints such as the metre thick stone walls blocking the signal and the complex undulating contours of the site meant that line-of-site control was impractical. The key to the project was the Philips Color Kinetics IntelliPower mains borne signalling system. This uses proven power line carrier technology, PLC, and enables data to be carried on the same conductors that are used for transmitting the electrical power. Therefore, no extra wiring was required to be added to the existing 230V mains supply to the floodlights. The colour changing was programmed on a Pharos control system and the signals sent to the IntelliPower network. Because the signal is sent down the mains cable, it meant that during the whole three month installation period, the Castle was fully illuminated at all times.

Weather conditions in winter can be harsh at the top of the Castle, but the whole system has worked faultlessly both during and since its installation. “Quite simply, the job couldn’t have been done without IntelliPower,” says LITE’s Sales Director, Andrew Milestone. “We believe it’s the first installation of its type on the UK mainland.” The power consumption has been reduced from 26kW to 8kW, making a saving in electrical energy alone of £2,400 per year. There are further savings in that rather than needing days to apply coloured filter gels to the floodlights, the appearance of the Castle can be altered simply by the press of a button. www.philips.com/LITE

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mondo*arc Jun/Jul 2014 - Issue 79  

mondo*arc is the leading international magazine in architectural lighting design. Targeted specifically at the lighting specification market...

mondo*arc Jun/Jul 2014 - Issue 79  

mondo*arc is the leading international magazine in architectural lighting design. Targeted specifically at the lighting specification market...

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