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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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Graphically, the example strategy for FPFC looks like the following:FPFCCons~ant Volume Cooling and Heatingspecify COOL- TEMP-SCHHEAT-TEMP-SCHHeating Cooling Air ZoneColi Flow evil Flow Flow Temperature Cold•E lJ:J!2 ,•~ c:;:>"- E 0'x L:0 0z" Hotoff~ cj5 '(i;•W• 0 '" z"' ;;; «Q;",bCooling Set0 0 0L;:----.;:Point as~----- -----t;Z [}£ ¢0 0 :;:J specified in0 > .£ o~z -U~COOL-TEMP-0 SCH~Q;, EI~~0 w'"- '"~t:uJ'Cold tUoff;;;c z off0 « Cold'" "'b Heating Set.s:W3;~ ----- 52 ----- - ----:§ ~ POint as ~c-"~ "-SDecl~led in ¢c::C> Worm~~1)I~0~~~T ,EMP-- z 0rrrl"I '"~l H01 joffCold, E£ • [f¢t:uJE>."-0 0z"rlHot{r{7c:;:> Cold¢CoolHotIf SYSTEM-TYPE = TPFC, the previous diagram would be the same exceptthere would be only one heat exchanger coil instead of two.SYSTEM-TYPE Equals HPThe Unitary Hydronic Heat Pump (SYSTEM-TYPE = HP), also known as aCalifornia Heat Pump, is a "zonal" type system. The HP system has one centralliquid cooling source, one central liquid heating source, and a single pipeloop, which distributes a working fluid to and from the individual heatpumps. Each conditioned ZONE has a heat pump, which takes heat from theworking fluid or gives up heat to the working fluid. Some ZONEs can be cooledwhile other ZONEs are being heated.IV.139 (Revised 5/81)

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