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ACOA5XX cooling failure



This dcoument describes the issues that can cause an ACOA5XX cooling failure. 

Product line:  

All Serial Numbers.  

Supply Air Temperature> 90 F and Cooling Output < 4 kW. 


Supply Air Temperature> 90 F and Cooling Output < 4 kW 

OA will shut down 

OA will restart after 5 Min 

If conditions still exists after 60 seconds OA will shut down. 

tf = 300oF* sec/ tsup - 90oF


Tsup is the average supply air temperature in oF


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