<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>Hi,</DIV>
<DIV> </DIV>
<DIV> What is the mean of "actuator" in Zone control? There are only two choice:</DIV>
<DIV>a at current zone air point</DIV>
<DIV>b mix of convection and radiation</DIV>
<DIV> </DIV>
<DIV>How to determine the action of "actuator' ? And "Actuator" is an abstract object or not?</DIV>
<DIV> </DIV>
<DIV>Thanks </DIV></td></tr></table><br>
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