LED Popular and Led Basic Knowledge

2016-04-30

   The LED lighting revolution has been commanding the interior and exterior lighting market around the world for a number of years.There have been significant enhancements in the control of LED lights, the type of LED light available and the effects able to be achieved with both Internal and External LED lighting.

    ECOSUNSHINE lghting are specialists in all things LED and would be happy to help with any questions you may have, contact us to find out more.

    COMMON TYPES OF LED LUMINAIRE:
        Constant Current: 350mA ,500mA, 700mA
        Constant Voltage: 12v and 24v
 
    WIRING Methods:
        Constant Current - Series wired
        Constant Voltage - Parallel wired
 
     POLARITY:
         LED’s are polarity sensitive, must be
         Red / Brown = Positive
         Black / Blue = Negative
 
     STANDARD COLOUR TEMPERATURES:
         2700K-3200K Warm White
         4000K-5000K Natural White
         5000K-6500K Cool White
 
     COLOUR RENDERING:
         High Quality = 80 - 90 CRI
         CRI of 100 is equivalent to Daylight
 

     LIGHT OUTPUT:
         If luminaires operate outside of the designed temperature perimeters eg. covered in insulation then lumen output is lowered, light output can decrease by up to 20%, and life is also compromised.
 
     SECONDARY CABLES (CONSTANT VOLTAGE)
          Products come with .5mm -1mm secondary feed cables for shorter runs, however if running long distances it is preferable to use 1mm, 1.5mm or up to 2.5mm multi strand copper cables. Do not use solid core TPS.
          Secondary cable runs from 12V and 24V DC Drivers should not exceed 50 mtrs, and if so the light output will decrease. Exterior secondary cable should utilise tinned copper flex, to prevent corrosion.
 
     PHOTOMETRIC DATA
          LED performance is often exaggerated by suppliers using narrow beam angles to gain higher lux levels at centre with limited beam spread. Ask for proof of performance with IES files showing accurate photometric data.
 
     RECYCLING
          LED’s are 100% recyclable as there are no toxic materials incorporated eg. no mercury etc.
 
     COOLING
           • Not all LED products run cool, LED Diodes operate at high temperatures and most require some form of heat sink that helps maintain diode longevity and constant colour temperature.
           • Luminaire heat sinks should be either raw aluminium, ceramic lacquered or heat dissapation painted and not necessarily standard powder coated.
           • Certain LED luminaires eg cabinet lights can be fitted to blind holes, some can be covered in insulation, never assume and check classification sheet.
 
     CLASSIFICATIONS
           LED recessed luminaires are classified into five categories IC-F, IC, CA80, CA135 and NON-IC and should be tested and marked according to AS/NZS60598.2.2.2001 Amendment A.
 
     EXTERIOR LED LUMINAIRES
           The majority of LED luminaires do not emit ultra violet light and hence do not attract insects, perfect for illuminating all exterior areas, including recessed, spot, flood and general task lighting.

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