Guest guest Posted June 4, 2007 Report Share Posted June 4, 2007 An air conditioner or heat pump is charged from a tank of refrigerant using a manifold with two guages, and three lines. One line goes to the tank. The second goes between a guage and the low pressure side of the compressor, and the third line goes between the second guage and the high pressure side of the compressor. Ideally, a compressor is charged up while operating, with outside temperature over 70 degrees F. If charged at a significantly lower temperature, or before the compressor reaches its normal operating temperature, it is possible to overcharge the compressor. Since heat pumps are commonly serviced year round, it is more likely to have a heat pump overcharged than an air conditioner, which is usually serviced only in warm weather. An air conditioner compresses the coolant (Freon or Puron) into a liquid in the unit outside, and the coolant evaporates in the coil in your furnace, absorbing building heat in the process. If there is too much coolant, the evaporative process is limited, and energy efficiency is reduced. The serviceman checks this by comparing the pressures on the manifold mentioned above, after closing the valve to his supply tank. If the high pressure side is too low, either the compressor is bad, or the coolant is low. If the low pressure side is low, but high pressure side is OK, coolant is low. If the high pressure side is OK and the low pressure side is high, you might have too much coolant, or as Carl suggested, the fins on the compressor coils may be too dirty. So, your serviceman just might be right. Gil not sure but think I may have been taken advantage of(or thought the Posted by: " iluvbunnies5262 " iluvbunnies5262@... iluvbunnies5262 Date: Sun Jun 3, 2007 4:15 am ((PDT)) Talked to one person and they said they never heard of To Much Freeon in heat pump. Wondering if I was set up for it to be too High and need more later cuz too low. Yikes. Anybody know abount Freeon sp?? amounts? I know it can be low but too High??? Now I'm wondering about the other things he did. He was only here to install my water filter to the whole house. I'm not going to let him intall the water filter system or anything else. Rhonda _________________________________________________________________ Get a preview of Live Earth, the hottest event this summer - only on MSN http://liveearth.msn.com?source=msntaglineliveearthhm Quote Link to comment Share on other sites More sharing options...
Guest guest Posted June 4, 2007 Report Share Posted June 4, 2007 I have someone coming to check my freon Tuesday and see if I'm too low or normal now. If too low, I'll know he intentionally made me low. What I saw was not a brief release and was done two or three times like releasing gas and when I said what are you doing, he said you are OK b/c you are outdoors and you have too much freon which can be bad as too low. That is when all the red flags went off b/c I didn't think you were suppose to release freon in the air and it is actually being banned b/c CFC's. I had no problems for a year and a half if there was to much freon and why he tuned into my heatpump and pipes seems to me to make money somehow when he was here to give me an estimate on installing something else. I'm having another plumber give me an estimate also. I surely do not need an uncertified plumber installing my water filterization unit and I end up with leaks/flood under my house!! Rhonda > > > An air conditioner or heat pump is charged from a tank of refrigerant > using a manifold with two guages, and three lines. Quote Link to comment Share on other sites More sharing options...
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