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2014-12-16 windows-based displays simplify set up and changes chiller or cooling tower chilled water pumps or distribution pipinginsulation major motor control types of cooling coils in your system if your requirements are such that reheating
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2010-4-62010 ca higher education sustainability conference than a standard central plant cooling tower the vav turndown of fans during cooler ambient r-value is r-35 and solarban 60 low e glass was used for the windows a high ef ciency lighting...
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The news was very busy at the ahr expo in new york city visiting as many booths as possible in search of new products below is a comprehensive list of all the hvac commercial equipment we found on the show floor aerco intl inc displayed its am series...
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23 05 00 common work results for hvac skip to end of metadata equipment installed outside the building at grade in areaways attached to walls and on the roof such as cooling tower fans air conditioning units refrigerant condensers fans exhau...
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23 05 01 mechanical general requirements 01 motors and drives motors all motors over 12 hp shall be ball bearing unless otherwise noted all ball bearing motors shall be equipped with lubricating type bearings and provided with one 1 grease fitting per...
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2013-12-5a prescriptive path to energy efficiency improvements for hospitals central system 2 2 3 3 3 280 30 turndown vav 1 3 3 2 2 240 heat recovery 1 2 2 15 2 185 cooling tower control 1 1 3 25 2 185 condensing boiler 1 1 1 15 2 135 the...
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2013-12-5central system 89 vsd chiller 69 hi performance glazing 55 10 less hpcfm hpgpm 54 10 less interior lpd 49 hi-eff motors 33 condensing boiler 33 occ sensors 29 30 turndown vav 25 20 less ext lpd 21 condensing dhw 18 proj factor 13 opaque envelope...
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Home a real floor show a real floor show december 31 2001 and supply and return temperatures the system-10 is also compatible with jci-n2 protocols currently available and other protocols available soon this makes the superchanger well suite...
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2020-3-27shower skylights windows stair foyers manifestation to full height glazing - unimpeded path of travel asbestos products especially in adds alts for pre-1990 buildings barrier nzs422332016 glass type height system fixings...
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Units are available in ranges from -147 psi to 1000 psi with choices of gauge or absolute pressures and 0 to 5 vdc 0 to 10 vdc or 4-20 ma outputs as well as various pressure and electrical...
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This chapter presents the key issues for designing commissioning and maintaining control systems for optimal performance control systems play an important role in the operation of a building and determine whether many of the green design aspects includ...
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2015 international energy conservation code third printing jan 2016 open circuit cooling tower performance is defined as the water flow rating of the tower at the thermal rating condition listed in table 403238 the perimeter system heating and c...
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Although the potential to bypass the cooling tower may be a benefit it can also be a challenge in the control of the overall system and requires a cooling tower bypass or the ability to appropriately offload the hrhp to maintain condenser loop temperatu...
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2017-1-16minimum boiler system turndown ratios water supply and 75f outdoor wb temperature shall meet energy efficiency requirements for axial fan open-circuit cooling towers tower fan turndown equipment shall exceed minimum efficiency requirement...
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Information ge energy ge energy has developed the flexefficiency 50 combined cycle power plant in response to market needs for increased revenues and operating cycles high base and part load efficiency start-up reliability and improved turndown this s...
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This system is defined automatically and you have no option to change the definition of the system when modeling a nonresidential project you are responsible to define the default cooling system for your project you cannot leave it undefined this woul...
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2019-9-30the mechanical concept transfers energy that in most buildings would be wasted extracts energy from the geothermal wells and then relies on high-efficiency equipment to meet the remaining heating and cooling requirements these complex mechanica...
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2020-4-13go green hotels green ideas for hotels and resorts install a renewable energy system onsite no cost options are available including in the us consider using heat pumps geothermal technologies waste heat recovery cooling tower and...
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2020-3-9the geothermal heat-pump system which does not require a cooling tower and thus does not require cooling-tower make-up water further reduces water use visual comfort and the building envelope-use skylights andor clerestories for daylighting v...
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If a demand-based approach can be used to reduce outside airflow requirements for dilution ventilation then chilled beams can decouple the outside air and supply airflow requirements when the labs cooling requirements exceed the cooling provided by the...
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Monitoring and simulation of an existing solar powered absorption cooling system in zaragoza spain article in applied thermal engineering 31128-35 january 2011 with 41 reads...
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10 aspe plumbing engineering design handbook volume 2 floor drains and floor sinks a large-diameter drain with a deep sump connected to a large-diameter pipe passes more water faster than a smaller drain however economics do not allow the designer arbit...
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The microvision ex cooling tower controller with pulsalink communications from pulsafeeder comes with a toroidal conductivity sensor multiple level security codes up to 10 digital inputs dry contact alarm output battery backup usb data logging capabi...
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2011-9-26section 23 09 23 direct-digital control system for hvac spec writer notes delete between --- if not applicable to project also delete any other item or paragraph not applicable in the section and renumber the paragraphs...
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