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Old 04-07-2017, 04:15 PM   #3
kdeiss
Montana Master
 
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
You first need to check air Temp at return inboud to the unit then outbound their needs to be a 10 degree differential this way you can check if the unit is cooling!
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