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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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The correct input for achieving this purpose would beHEAT-RECOVERYSUPPLY-I; (SOL-PROCESS-HEAT)DEMAND-l ; (PROCESS-HEAT)SUPPLY-2 ; (SOL-SPACE-HEAT)DEMAND-2 ; (SPACE-HEAT)6. If the solar equipment is connected directly to the dpace heating coilsby specifying or allowing the default for the keyword HEAT-SOURCE;HOT-WATER/SOLAR in SYSTEMS, then it is inappropriate to useSOL-SPACE-HEAT as a supply in the HEAT-RECOVERY command.7. Rules applying to the user of a storage tank in HEAT-RECOVERY:a. The tank supply should always be the last entry of the SUPPLY-nkeyword at any given level. The user may enter the tank at someother position, but the program will move the tank to the end ofthe list. This implies that tank storage will always be the lastsource of supply at a given level. Only when all other sources ofrecovered heat have been used up will the storage tank be called onto supply heat. Therefore, if the user entersthe program wi 11HEAT-RECOVERYSUPPLY-I; (HTANK-STORAGE, DBUN-CHLR)interpret it asHEAT-RECOVERYSUPPLY-I; (DBUN-CHLR, HTANK-STORAGE)b. The tank demand should always be on a level with no other demands.If the user enters HTANK-STORAGE as a demand among other demands atthe same level, the program will move the tank demand to the lowestempty level. If there are no empty levels, the program willabort. Thus,HEAT-RECOVERYSUPPLY-I; (DIESEL-GEN, DBUN-CHLR, HTANK-STORAGE)DEMAND-I; (SPACE-HEAT, HTANK-STORAGE)will be rewritten within the program asHEAT-RECOVERYSUPPLY-lDEMAND-l ;SUPPLY-2 ;DEMAND-2 ;(DIESEL-GEN, DBUN-CHLR, HTANK-STORAGE)(SPACE-HEAT)(DIESEL-GEN, DBUN-CHLR)(HTANK-STORAGE)Note that HTANK-STORAGE was not placed as a supply on level 2,because a tank cannot supply itself.V.70 (Revised 5/81)

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