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26-03-2009, 03:24 PM #1
Do I need a post-evaporator heat exchanger?
I'm designing an R404a refrigeration system that has the evaporator approximately 18" below the compressor. In the past, I've always used a heat exchanger after the evaporator to ensure that no liquid enters the compressor. However, with the evaporator so far below the compressor, is there really a need for the heat exchanger? I would think that liquid entering would be very unlikely given these conditions.
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26-03-2009, 03:48 PM #2
Re: Do I need a post-evaporator heat exchanger?
I don't see any significant advantage by installing heat exchanger but I would do more then usual to control oil return and liquid migration to the evaporator
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