LIGHTING


It’s no longer a question of if LED will become the dominant lighting solution but when. Older lamps and fixtures are becoming obsolete, while legislation is mandating that companies make the switch to more energy efficient lighting.


Lighting is the second biggest consumer of energy in any building. The Carbon Trust reports that energy efficient lighting can save UK businesses £700m a year and cut more than 10 million tonnes of carbon emissions, and most understand now LED lighting is ‘greener’ with such advantages well documented as:


• Efficiency: energy savings of up to 80% with intelligent controls


• Lifetime: A minimum useful Lifetime of 66,000 hours


• Neutral Light that radiates virtually no heat


• Shock Resistance: robust design making it difficult to damage


• Toxicity: contains no mercury, eliminating disposal costs (RoHS complaint)


But the main factor for facilities managers, and perhaps what is less known, is the effect on dramatically reducing payback times, when taking into account that any maintenance costs will be virtually eliminated.


No more continuous bulb changes that consume manpower and resources, and maybe even require a halt in operations to access hard- to-reach fixtures, not to mention the cost of replacement parts. All of this translates into significant bottom- line savings.


NOT ALL LED’S


CREATED EQUAL However, to maximise savings, it’s important to note that not all LEDs are the same, so it’s necessary to plan a transition carefully, understand the product purchase and ensure it delivers exactly to suit building and usage requirements.


This is where working with LED specialists can help; taking into account lighting lifespans and LED specific factors such as:


• Lumens Per Watt: A unit of luminous efficacy which indicates how well a light source produces


www.tomorrowsfm.com


power. Efficacy is derived from the ratio of luminous flux to power.


• Correlative Colour Temperature (CCT) The measure used to describe the relative colour of a white light source. CCT indicates whether a light appears more yellow or more blue (also referred to as warmer or cooler) in terms of the available shades of “white” LEDs.


• Colour Rendering Index (CRI) A quantitative measure of the ability of a light source to reveal the colours of an object faithfully, as compared to a natural or ideal light source.


• Light Output LEDs are directional lights. Engineering is required to create light distribution in all directions or specific directions.


Additional capabilities including the options of light level sensors and presence detection, whereby controls can be optimised to take advantage of natural daylight savings and maximise off periods, not only by reducing maintenance requirements but also enhancing user environment.


“IT’S IMPORTANT TO NOTE THAT NOT ALL LEDS ARE THE SAME.”


MAKE THE SWITCH Once the product purchase is


understood, approaching the transition phase and work entailed, with a strategic plan to implement the right solution in the right timeframe is key to keeping disruption to an absolute minimum.


It’s important to consider:


• What do you want to achieve, for now and the future?


• What is your budget and timeframe for the project?


• Do you have a current maintenance plan?


• Will you achieve Government objectives, such as the minimum energy performance standards by April 2018?


Such answers will help decide whether you desire or need to tackle the whole transition at once, or in stages; or even beginning with the areas presenting the greatest return on investment opportunities. Likewise, understanding future plans will allow consideration for dimming systems, advanced lighting control or a building automation program.


Going through each of these stages, before a work programme is even designed or scheduled, will help facilities managers ensure a smooth and efficient transition to LED lighting, with maximum results.


READY TO HELP FortisDay has recently launched a


new range of recessed luminaires that present 30% less energy usage than any competitor design currently available on the market and can help achieve the Government’s mandated minimum energy performance standards by April 2018.


The stylish SmartiLumin range utilises proven lighting technology to produce a colour render index (CRI) of 93 together with light output and efficiencies of greater than 181 lumens per circuit watt.


For those who choose to adopt SmartiLumin technology, it can help ensure light fittings can be individually controlled to turn on and off or dim the output as required. With light level sensors and presence detection, controls can be optimised to take advantage of natural daylight savings and maximise off periods, enhancing user environment.


In summary, the careful planning under the guidance of LED specialists to change to either full or partially automated LED lighting solutions such as SmartiLumin, will provide FMs with the simplest and quickest return on investment. Changes are quick and easy to implement, and when installed with lighting controls offers reduced maintenance and flexibility to be reconfigured into different groups for new office layouts or other required changes; all resulting in maximum energy management and ultimate resource savings.


www.fortisday.com TOMORROW’S FM | 33


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