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Why control lighting?
Switching to LED from traditional lighting technology, such as halogen or fluorescent, can provide up to 90% energy savings. However, LED lighting can provide other benefits, such as instantly controlling on/off without deterioration in the fittings operating life. These benefits are suitable for lighting control and allow for significantly improved energy savings and a better lit environment.
Lighting controls can provide an additional 50% energy saving
The government recognises the benefit of lighting control and is starting to introduce regulation that focuses on improvements in the energy efficiency of a complete building. The introduction of Building Regulations Part L (2013) is an example of this change and introduces the concept of a Lighting Energy Numeric Indicator (LENI – see page 256) that calculates the energy usage of a building per metre.
LENI (Light Energy Numeric Indicator)
LENI is a new measurement of lighting that changes the focus from the performance of an individual fitting, to the performance of the full lighting installation.
What are the types of lighting control?
Good lighting control systems should adjust the lighting to compensate for change in daylight levels and the usage of the area.
The main types of control lighting are: