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Fastlanedan  
#11 Posted : Tuesday, March 16, 2010 9:13:57 AM(UTC)
Fastlanedan

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Joined: 10/13/2009(UTC)
Posts: 11

Hi Hill, you are probably right. most of the carrier unit I've work on with the symtom he describe are the 10 ton unit. Thats why i need to know the model #,
jeffrey_benjamin  
#12 Posted : Wednesday, March 17, 2010 11:42:00 AM(UTC)
jeffrey_benjamin

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Joined: 11/4/2009(UTC)
Posts: 58

Finally we replaced the evaporator section and all is well now suction pressure 69psig with high side @260psig. This unit cools a shopping mall top floor. We suspect the coil was too blocked up even after cleaning. apparently after not being serviced for over 2-3 yrs all that mock etc., could not be cleaned out . Thanks to u all for your advice, we will let u all know how it goes. jeffrey_benjamin. :) ;)
hvac_hillbilly  
#13 Posted : Friday, March 19, 2010 2:43:26 PM(UTC)
hvac_hillbilly

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Joined: 12/28/2009(UTC)
Posts: 29

Originally Posted by: jeffrey_benjamin Go to Quoted Post
Finally we replaced the evaporator section and all is well now suction pressure 69psig with high side @260psig. This unit cools a shopping mall top floor. We suspect the coil was too blocked up even after cleaning. apparently after not being serviced for over 2-3 yrs all that mock etc., could not be cleaned out . Thanks to u all for your advice, we will let u all know how it goes. jeffrey_benjamin. :) ;)

thanks now i can believe it is a 30 ton if your cooling a entire floor af shopping center
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