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Can I operate my A/C in ambient temperatures below 65f

Date de publication : 03 September 2020


Can I operate my ac in ambient temperatures below 65f


Product line:

All compressor ac units



All Product models, all serial numbers



Condition called flood back




Recommendations for operating at lower ambient conditions


If you are going to be operating the system below 65F, you should add the items below.



1)      there should be a crankcase heater installed on the compressor

2)      a low ambient control

3)      suction line accumulator

4)      confirm compressor superheat


These items will assist in preventing liquid floodback, flooded starts, and refrigeration migration during off cycle.  These situations are detrimental to the life of the compressor.  

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