Air handling units pdf

The module can be configured for different applications to make up the heart of any air conditioning system. Trox engineers look beyond the actual air handling unit. The daikin air handling unit is manufactured with prefabricated. Ld17323 air handling units operation and maintenance new release form 102. The options offer more freedom in air handling design increasing the. Air handling units explained the engineering mindset. Air handling units have a closed profile and airtight structure and manufactured from galvanized sheet material or stainless steel material standard for hygienic with 140 grm2 zinc coating, available in different thicknesses up to 1. It discusses about the construction of air handling unit.

They take fresh ambient air from outside, clean it, heat it or cool it, maybe humidify it and then force it through some ductwork around to the designed areas within a building. Solution air handling units dual fan options new release form. A quick introduction to air handling units airfixture. Guidance for filtration and aircleaning systems to. The units are manufactured in accordance with en 10346 and en 10143. Air handling units condition and distribute air within a building. Air handling system is a device used to condition and circulate air as a part of heating, ventilation and air conditioning hvac system.

The numerical value associated with the rating class cannot be used to predict actual application thermal transmittance through casing or the risk of condensation for any specific central station air handling unit. Air handling unit basics ahus are large metallic boxes comprising of a blower, filter racks, sound attenuators to reduce noise, and cooling andor heating coils. Ahu air handling units dampers coils and valves fans distribution ducts and terminal boxes pumps and plumbing control devices and control loops unitary equipment. Connected to the hvacs ductwork, ahus are installed inside and outside of buildings, with the rooftop being common for the latter. June 1, 2015 ld09624 indoor solution xt ahu outdoor solution xt ahu york custom ahu ld282 r enewal p arts. Largersized aerosols can be collected on lowerefficiency filters, but the effective removal of a smallsized aerosol requires a higherefficiency filter. A fullline of air handling units from standard through custom offer design flexibility to balance performance and economy without compromising quality.

Airhandling unit casings air conditioning, heating and. This paper addresses real energy recovery with air handling units. The fan impellers and shafts are statically and dynamically balanced as a single modular steel. Air handling design guide air handling systems dust. Translation of the original document fr7499511, 07.