DOE-2 Reference Manual Version 2.1 - DOE2.com

13. PLANT-ASSIGNMENTA special feature of the SYSTEMS program permits specifying, for purposesof comparison, alternative sets of SYSTEMs for a PLANT. Calculations for allspecified alternatives are done in one pass through the program, thus minimizingcomputation costs. The function of the PLANT-ASSIGNMENT instructionis to identify the system, or group of systems, that compose each alternativePLANT. A separate PLANT-ASSIGNMENT instruction is required for each comparisonstudy desired. If no PLANT-ASSIGNMENT is specified, a default PLANT-ASSIGNMENTnamed DEFAULT-PLANT will be assigned and it will include all of the specifiedSYSTEMS.Note that certain SYSTEMS program hourly reports can be obtained by referencinga PLANT-ASSIGNMENT U-name in a REPORT-BLOCK instruction.PLANT-ASSIGNMENTSYSTEM-NAMESRules:informs the SOL Processor that the data to follow willidentify the SYSTEM{s), assigned to a PLANT. Up to fourdifferent PLANT-ASSIGNMENTs, each with a different U-name,may be specified for comparison study purposes. If aPLANT-ASSIGNMENT is made here in SYSTEMS, a similarlyU-named PLANT-ASSIGNMENT must be made in PLANT also (inPLANT only one PLANT-ASSIGNMENT will be processed percompu ter run).is a list of the U-names (from the applicable SYSTEMinstructions) of those systems (one or more) that make upthis particular plant assignment. A maximum of 40 U-namesis permitted per plant assignment.1. The same system may not be entered in more than onePLANT-ASSIGNMENT.2. The assignment of ZONEs to SYSTEMs must be done such thatin each PLANT-ASSIGNMENT no ZONE is included more than once.3. ZONEs that share INTERIOR-WALLs cannot be assigned todifferent PLANT-ASSIGNMENTs.Examp 1 e:The system illustrated in Fig. IV.1 (Sec. A of this chapter) may bedescribed by the following two instructions.PA-1 = PLANT-ASSIGNMENTSYSTEM-NAMES = (S-l, S-2)PA-2 = PLANT-ASSIGNMENTSYSTEM-NAMES = (S-3, S-4)I V. 267 . (Revised 5/81)