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Lambda value
The heat conductivity of a material is known as its lambda value. The lambda value is used for thermal calculations on buildings and thermal components.
Latent cooling load
Latent cooling load is a measure of the amount of energy that is necessary to dehumidify the air in a building, for example, regardless of the outdoor humidity. Cooling load needs to be considered when a cooling system is being dimensioned.
Leakage control
Air conditioning and heating systems in buildings that have special inventories or which are especially vulnerable to the effects of water damage can have leakage-protection installed. The system automatically monitors flow in supply and return pipes. In case of divergences, it shuts off both supply and return.
Legionella
Legionella bacteria can be the cause of two illnesses in humans: Legionnaires’ disease, an infection that produces pneumonia and Pontiac fever, which resembles acute influenza. When designing air conditioning systems, how to reduce the risk of bacteria growth must be considered.
Liquid subcooler
A liquid subcooler is fitted in a cooling plant in order to increase the performance of the evaporator. It lowers the refrigerant inlet temperature to the evaporator.
LON
LON is an open network technology which is mainly used in building automation. The name LON is short for Local Operating Network. It is an event-based technology that supports a variety of physical network standards, making it ideal for use on all automation levels.