DOE-2 Reference Manual Version 2.1 - DOE2.com

REVERSE-ACTIONTABLE IV.31 (Cont.)In variable air volume systems it allows the air flowrate to go above the design minimum cfm for heating,as defined by MIN-CFM-RATIO. Otherwise, the effect isthe same as for PROPORTIONAL.For additional discussion pertinent to the use of thiskeYWord for simulation of zone thermostatTc-COntro~eSec. 8.6 of thlS chapter:--- --THROTTLING-RANGEspecifies the number of degrees that room temperature mustchange to go from full heating to zero heating and/or fromfull cooling to zero cooling. Zone temperature set point isassumed to be at the midpoint of the throttling range. Thiskeyword is appropriate to PROPORTIONAL and REVERSE-ACTIONthermostats only.THROTTLING-RANGE is also used by the program in determiningthe number of hours that each zone is either undercooled orunderheated (see Systems Report SS-F). If the zone temperatureis more than one THROTTLING-RANGE above the coolingset point, the zone for that hour is considered to be undercooled.Likewise, if the zone temperature is more than oneTHROTTLING-RANGE below the heating set point, the zone forthat hour is considered to be underheated.For additional discussion pertinent to the use of thisKeYword for slmuJatlon of zone thermostatTc-COntro~eSec. B.6 of this chapter:--- --IV.196 (Revi sed 5/81)