http://www.doas.psu.edu/econ_column.pdf WebApr 29, 2024 · Most economizers simply look at Dry Bulb temperature, the reading shown on a thermometer, to determine which option to use. ... Enthalpy is so important when it comes to making that determination is …
HVAC Economizers: Are They Worth It? - Therma
Webweather. That decision, in the simplest sense, is based upon either the outdoor air dry bulb temperature or enthalpy (further discussions of the controls incorporating integrated and … WebWhen determining which conditions are favorable for economizing, the outdoor humidity may be considered in addition to the dry-bulb temperature. Economizers can therefore be … oldsmobile 98 regency brougham parts
How Does HVAC Economizer Work & Its Types Green …
WebWhen the outside temperature is under the return air temperature and the outside air enthalpy is lower than the return air enthalpy, the outside air meets the requirements for free cooling. Otherwise, this … WebFeb 26, 2004 · Dry Bulb Economizer- This economizer uses a sensor to determine if outdoor air is at or below a certain temperature, usually about 55 degrees F. If the … WebJun 10, 2015 · Dry Bulb – Temperature of a standard thermometer. Wet Bulb – The lowest temperature that can be reached by the evaporation of water only, measuring humidity. Dew Point – the temperature to … oldsmobile cars in the 80s