ENERGY Dialight’s DuroSite Series LED High Bay
Dialight LED benefits: • 5-YEAR warranty = maintenance
free
• 80% lumen maintenance after 60,000 hours
• 77l/w certified • Significant energy savings • Instant on/off • Superior light quality • IP66 rated to withstand dust and moisture
• Polycarbonate glaze • No heat or UV • No hazardous substances
under the HPS, which had dimmed over time, increasing to 221 lux after the installation of the LED High Bays. Tom Klimes comments: “We’ve removed the maintenance burden by fitting LED lighting, as these High Bays are warranted for five years of continuous performance and you can expect them to last ten or more if they’re not in use 24/7. Also, they hang only two feet from the ceiling and are very robustly constructed, so the lights are no longer vulnerable to being clipped by extended pallet trucks. With LED lighting you really can ‘fit and forget’.”
He adds: “We could probably have
FUNDING AND PAYBACK As a British SME, March Foods was able to have its LED installation funded by a 4-year interest-free loan of £38,000 from the Carbon Trust which offers a
£1,000 loan for every 2.5 tonnes of CO2 saved, so the capital expenditure is effectively funded by the energy savings. Having originally underestimated the energy savings to be made from using occupancy sensors Paul Cope now estimates that payback will take less than three years and may even be six months sooner than that when movements in electricity prices are taken into account. He reasons that with this sort of payback period it makes sense to retrofit LEDs even if you have a lease of 5 years or less on your building.
LOOKING AHEAD “March Foods are so pleased with this solution that they’re happy to be a reference site,” said Tom Klimes, “and we’ve already taken a couple of other customers to see the installation who were very positive about it. They both operate 24/7 and can immediately see the benefits of LED lighting for companies like them.” He adds, “This is our first experience of having the Carbon Trust
OST AND ENERGY ED LED LIGHTING
got away with fitting two LED for three HPS rather than one-for-one, but chose instead to avoid the cost of rewiring. As a result you might think we’ve over-lit, but the March Foods warehouse workers love it. One of them even says that now he feels noticeably less tired at the end of a night shift.”
WHY WE CHOSE DIALIGHT Tom Klimes explains his choice:
“For this job we went straight for an LED solution and Dialight’s High Bays were the only ones we liked. You can see the quality – they’re solidly built, durable and they come with a five-year warranty from a £77 million UK-based company rather than a three-year warranty from somewhere in China. They also incorporate top quality Cree LEDs and the drivers are well built to a good specification. All in all a sound product and their customer service people are great to work with.”
provide the loan for a customer, but now we’re finding lots of people wanting to take advantage of it to help them deploy energy saving technologies.” Paul Cope says: “We’re delighted with our LED lights and the five-year guarantee is very important for us. I insist on a spotless warehouse, so I really like the brightness. In fact we’re now thinking of going LED in the loading bay between the warehouses and even in the offices.”
ABOUT DIALIGHT Dialight (LSE: DIA.L) defines the current state of LED lighting technology with continuous innovations in light output, efficacy and reliability for their complete line of high-specification lighting fixtures specifically designed for industrial, commercial, hazardous location, transportation & infrastructure applications. These results are directly related to the company’s ongoing commitment to advancing solid-state
lighting products that vastly reduce maintenance, improve safety, ease disposal, and are more environmentally
friendly – thereby helping to reduce CO2 emissions, the dominant GHG contributor to global warming. The company is headquartered in the UK with operations in the USA, UK, Denmark, Germany and Mexico. More information about the company, its LED products and solid-state lighting technologies can be found at
www.dialight.com Tel: +44(0)1638 665 161 Email:
HighBay@dialight.co.uk
ABOUT INTERIOR CONTROL UK based Interior Control Ltd is an experienced professional team of engineers, designers, environmentalists and process improvement practitioners, providing energy metering and saving solutions that include LED lighting. They are proud to be an official agent for the Dialight range of industrial LED lighting products. For the built environment they supply intelligent room automation systems, particularly for the hotel, and student accommodation markets. The MACH® system utilises well-proven technology and controls 1,000s of rooms worldwide. For energy metering they supply a range of smart meters providing socket and distribution board level smart metering with live data capture, a simple web based interface and comprehensive management and reporting features. More information about the company and their product range can be found at
www.interiorcontrol.co.uk
SUSTAINABLE FM | NOVEMBER 2010 |45
221 lux was
measured at floor level in the aisles under LED lighting
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