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08-07-2009, 09:45 AM #1
Cooling capacity and energy useage!
Hi, can someone please explain why when the evaporating temperature is increased by 1degC the energy usage DECREASES by 3%. I understand that the cooling capacity increases by 3%, because the evaporator fills with more liquid as the txv maintains the S/H. In my ignorance the energy usage would be more as the temperatures increase and the condenser fan runs at say full speed.
A little confused
Thanks
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08-07-2009, 04:15 PM #2
Re: Cooling capacity and energy useage!
why when the evaporating temperature is increased by 1degC the energy usage DECREASES by 3%
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08-07-2009, 05:01 PM #3
Re: Cooling capacity and energy useage!
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08-07-2009, 07:37 PM #4
Re: Cooling capacity and energy useage!
Thanks, it was just one of the questions they ask on the F-Gas practice question paper in the UK. Thanks for the help. Sometimes I wonder just WHO actually sets some of these questions as I sometimes question their answers!
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08-07-2009, 10:21 PM #5
Re: Cooling capacity and energy useage!
Your COP increases
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.
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15-07-2009, 08:23 AM #6
Re: Cooling capacity and energy useage!
Your energy useage decreases due to your suction pressure increasing and the compressor taking less energy to get the pressure up. The gas flow goes down so the condenser has less to do.
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