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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 strategy for UVT looks like the following:UVT--Constant Volume Ventilating and HeatingSpecify COOL-TEMP-SCH and HEAT-TEMP-SCHTHERMOSTAT-TYPE' PROPORTIONALAirFlowZoneTemperatureOU~;;d¢ --:LI f1c::::> VentilationAir-2 "~" oUE '"-0 ">E "~" ou,'"2g'::Jw;::.I-(,!)----0t--200«ua:a::I:t--"0" C.c"0c'"a2C'I:Jw ".~ I- (!)1----01-2",0«:I: a: a::I:t--VentilationCoaling SetPoint asOutside~~ecif~~i.'2. bAir ¢ /COOL-TEMP-SCHHeating SetPoint asSpecified Outside:.'2.!:I~~-__ Air ¢>TEMP-SCHOutsideAir¢>offf1 /Mfi/on/Mfi/f1MP= Minimum Position of Dam p er"f9¢ VentilationAir¢warmAir¢HotAirIf SYSTEM-TYPE = UHT, the previous diagram would be the same except therewould be no dead band and no cooling THROTTLING-RANGE (that is, no outsideair). Also, above the heating THROTTLING-RANGE, the fan would cycle to off.I V.149 (Revised 5/81)

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