fan for one zone keeps running


  #1  
Old 10-10-05, 04:32 PM
tonynick1
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fan for one zone keeps running

i have a hydro air system with 4 zones the temperature on the boiler low 150 high 180 the air handlers are set to 140 .question ..the only way i can not have the 4th zone air handler not run is to put the air handler at 160 or higher any lower and the fan continues to run. is the circular pump running? how can i correct this problem. thanks
 
  #2  
Old 10-10-05, 05:10 PM
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Circulator running?

That is something you have to tell me. Are the pipes to & from the air handler hot? If they are, chances are the circ is running. Do you have a separate circulator for each zone or a single circulator with zone valves for each zone?
 
 

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