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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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PLANT-EQUIPMENT; UTILITYNUMBER ; 10to order up to 10 million Btu's from an electric, chilledwater, or steam utility.OPERATION-MODEis associated with a code-word selected by the user fromTable V.B to describe the method of loading equipment.Code-WordRUN-ALLRUN-NEEDEDTABLE V.BEquipment OPERATION-MODEMode DescriptionEach unit of the assigned equipment meets a demandin the proportion of its capacity to the totalcapacity of the assigned equipment. All units arerun simultaneously.Each unit of the assigned equipment is turned onsequentially to meet the demand. The equipmentoperates in the order of listing.Rules:1. The number of LOAD-RANGEs times 2 plus the total of allPLANT-EQUIPMENTs in all ranges times 3 cannot exceed 130.2. FURNACE, DHW-HEATER, and ELEC-DHW-HEATER cannot be specified in aLOAD-ASSIGNMENT.Note: If the user has specified utilities other than electricity, i.e.,steam or chilled water, but has not specified ENERGY-COST instructions forthese utilities, energy usage and costs will not be reported by the program.Input for the ENERGY-COST instruction must include input for both keywordsRESOURCE and UNIT.Example 1:Two boilers, BOILER-1 and BOILER-2, are defined by hypotheticalPLANT-EQUIPMENT instructions to be capable of producing 5 MBtuh and10 MBtuh of heat, respectively. If the small boiler is to be run forheating loads between 0-5 MBtuh, the larger one for loads between5-10 MBtuh, and both for loads greater than 10 MBtuh, the user inputs:V.54 (Revised 5/B1)

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