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19-01-2011, 12:21 PM #1
Copeland Scroll in reversable heat pump
Hi, I have a Water to Water heat pump with a copeland scroll compressor, In heating the compressor works fine suction 6-9Bar and discharge around 25-30 bar, the problem is when i reverse it to put it in cooling mode the compressor sound like its going to shake itself to bits in cooling the suction is 9bar and the discharge is 10bar, is there an issue with the suction and discharge being so close?
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19-01-2011, 12:32 PM #2
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Re: Copeland Scroll in reversable heat pump
Your reversing valve is faulty and it bypass partially suction and discharge of compressor in cooling mode.
Last edited by nike123; 19-01-2011 at 12:38 PM.
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19-01-2011, 12:35 PM #3
Re: Copeland Scroll in reversable heat pump
Hi Nike, Thanks for the reply, i have checked the operation of the reversing valve, it does operate ok but im not sure if its sealing 100% i will look at this again, do you know if running the compressor at very close suction and discharge pressures will cause an issue? Thanks
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19-01-2011, 12:40 PM #4
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19-01-2011, 03:44 PM #5
Re: Copeland Scroll in reversable heat pump
THE DEFINITION OF A SMART PERSON IS ONE WHOM LEARNS FROM HIS MISTAKES!!!
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