Ahu


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A´hu


n.1.(Zool.) The Asiatic gazelle.
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With over 60 years' experience of working with AHU manufacturers and spray booth companies, Condair is the UK's leading specialist in improving productivity in the paint spray and surface finishing industry.
AHU heating and AHU cooling calculations were performed using hourly surface temperature data for the date range, April 2011 to March 2012, which includes a 29-day month of February.
By implementing safety features within the AHU, the new UL 1995, fifth edition, standard seeks to eliminate variations in equipment design that might lead to accidental exposure.
Daikin's AHU factory has also invested in its own testing equipment with compliance to the EN1886 standard, which oversees volumetric testing, leakage testing and strength testing of products.
Technavio's analysts forecast the global AHU market to grow at a CAGR of 10.
The AHU pulls air from the zone in two separate paths.
For example, the original fans and AC motors in an AHU may be replaced with backward-curved fans and DC motors to achieve higher efficiencies through reduced fan power consumption, while newer direct expansion refrigeration equipment will offer higher efficiency than older designs.
In an AHU without a VFD, the closing of dampers at VAV terminals shifts the system curve, which raises the pressure from [P.
The pie chart in Figure 1 shows the portions of annual heating energy consumed at the AHU level and the zone level for Swedish Issaquah, which is served by recirculating VAV AHUs with hot water terminal heating.
The base case has a dedicated AHU to serve 100% of the ventilation air.
This article considers energy impacts of AHU leakage, but focuses primarily on IAQ problems and health risks caused by duct leakage, especially as they relate to the location of the AHU.