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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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ANNUAL-COSTMIN-OVHL-INTMIN-OVHL-COSTMAJ-OVHL-INTMAJ-OVHL-COSTExample:SOL-COLreplacement and installation cost are calculated at intervalsof n years, up to the lifetime of the project. The defaultvalue for COMPONENT-LIFE is 999 years, so that if this keywordis not specified, replacement costs will be ignored.specifies the unit maintenance (labor) and consumables(materials) cost per year for the component.specifies the anticipated time, in years, between minoroverhauls of the component.specifies, in dollars, the cost of a minor overhaul of oneunit of the component.specifies, in years, the anticipated time between majoroverhauls for the component.specifies, in dollars, the cost of a major overhaul of oneunit of the component.COMPONENT-COSTUNIT-NAME = *SQFT*NUMBER-OF-UNITS = 2000FIRST-COST = 25INSTALL-COST = 3ANNUAL-COST = 0.50COMPONENT-LIFE = 15SOL-TANK = COMPONENT-COSTSOL-PUMP = COMPONENT-COSTFIRST-COST = 1500INSTALL-COST = 200FIRST-COST = 1000INSTALL-COST = 100COMPONENT-LIFE = 10MINOR-OVHL-COST = 200MIN-OVHL-INT = 2 ..Cost data have been given for three components associated with a solarheating system: the collector, a storage tank, and a pump. The respectiveU-names for these cost items are SOL-COL, SOL-TANK, and SOL-PUMP.The collector has an area of 2000 ft2. A UNIT-NAME of SQFT has beenchosen to remind the user that the costs to follow are "per square foot." Thepurchase price is ~25/ft2, installation is ~3/ft2, and annual maintenancecosts ~0.50/ft2. The collector will be replaced after 15 years. Major andminor overhauls do not apply, so that overhaul costs have been allowed todefault to zero.The storage tank has a purchase price of ~1500, and costs ~200 toinstall. As there is only one tank, the keyword NUMBER-OF-UNITS has beenVI.B(Revised 5/B1)

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