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

Issue:

Can I operate my ac in ambient temperatures below 65f

 

Product line:

All compressor ac units

 

Environment:

All Product models, all serial numbers

 

Cause:

Condition called flood back

 

Resolution:

 

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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