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12-04-2008, 02:48 AM #1
Re: TXV's To Adjust or Not to Adjust - That is ....
eHere I sit on my new deck with my trusty laptop, on the first night of the year nice enough to enjoy a glass of homebrew Ale.
I might as well jump into the fray.
The first thing I look for in a plant with TX valves is a Evap with the fans off, or no water flowing etc.
Tx Valves do not shut off tightly enough to completely stop the flow of refrigerant in many cases. This is very often the case with NH3 valves after a couple years.
Yes the Compressor does shut down on Low Pressure. But the unevaporated liquid continues to flow at a small rate.
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