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DOE-2 Reference Manual Version 2.1 - DOE2.com

DOE-2 Reference Manual Version 2.1 - DOE2.com

DOE-2 Reference Manual Version 2.1 - DOE2.com

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. Residential System (RESYS)The Residential System models direct expansion air-cooled air conditioningand forced air heating for residences. Residences that do not include unconditionedzones, such as crawl spaces and attics, can be simulated as a singlezone residence served by one system.This is the only system in 00E-2 that simulates openable windows fornatural ventilation and cooling/heating by outdoor air. The ventilation issimulated through the keywords NATURAL-VENT-SCH, VENT-TEMP-SCH, andNATURAL-VENT-AC. (The simulation theory can be found in the SYSTEM-AIRsection of this chapter.)OXCooling with a Heating Coil:\ ~ i OPENA8LE,-______________ 1 \ WINDOW __HEA TSOURCE6 ~OPENABLEWINDOWThis version of the RESYS system provides heating through a hot watercoil, an electric heater, a gas furnace, an oil furnace, or the heating loadcan be passed to PLANT (CBS) for solar heat. The system also includes acooling coil with a compressor and an air-cooled condenser, a supply fan, andopenable windows to provide natural ventilation and outside cooling/heating.Ordinarily, the electric load for the supply fan and compressor are includedin the cooling EIR. The user may separate these out by specifying SUPPLY-KW,SUPPLY-STATIC, and SUPPLY-EFF for the supply fan and OUTSIOE-FAN-KW andCOOLING-EIR for the condenser fan and compressor, respectively.** In the BEPS report in PLANT the fan electric energy for this system willappear as the electric contribution to SPACE COOLING and not to HVACAUXILIARY, .if these keywords are not provided.IV.B2(Revised 5/B1)

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