Quote:
Originally Posted by MN Renovator
I'd have to argue against that a little bit. The bigger that both coils are, the more BTUs you can transfer for the same size compressor as long as the size of the coils doesn't significantly increase the amount of power that it takes to pump the refrigerant, but that almost isn't a factor for the size these are.
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Ahh, but we are talking about two different things. I'm talking about the extra efficiency that can be gained by having a much larger condenser than evaporator. The larger the condenser, the lower the condensing temperature and therefore the lower the compression ratio and power input required.
The other thing is I'm talking about water not DX.
Now, when you have a reversing valve having grossly mismatched HX presents a problem of refrigerant management, therefore it's going to be far more efficient to swap the water connections rather than the refrigerant with a reversing valve.