Tuesday 2 February 2021

Upgrading Lennox Condensers

i am getting bids for upgrading 2x lennox Air Conditioning units from the 14ACX to the EL18XCV (or maybe the XC20, but i doubt its worth the extra). The air handlers are lennox CBA38MV's. we are in florida and want to improve our dehumidification - we like to run the pureair s system, but with the single speed compressor it puts the moisture back in the air so the humidity control isnt great. i figure the variable speed units will fix that

one of the bids said i need a lennox 88k38 discharge air sensor 'for more precise dehumidification operation'. But i cant find anything about the operation of this sensor except that it is necessary for evenheater function. we wont have a heat pump, and it rarely gets that cold here anyway.

its an extra couple hundred for the two sensors, so it would be nice to know why i need them since i cant find anything on the lennox site.

can anyone explain this to me? thanks


source https://hvac-talk.com/vbb/showthread.php?2226285-Upgrading-Lennox-Condensers&goto=newpost

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