Contractor told me my air conditioning unit outside doesn't work. they said it needs to be replaced because the compressor is bad. also it has a major freon leak coming out of the compressor. does any one know where i can buy a cheaper compressor or a new but cheaper unit to replace it? it is a coleman unit by the way
Look inside your outdoor unit and find the compressor tag. It should have a model and serial # on it and a manufacturer. Then do a basic search on the net for the distributor of your compressor. However, most distributors will not sell direct to the public. You will most likely need to purchase one through a contractor. If you email me your compressor information I can help you locate and price one out.
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there are 3 things to be considered,first,if the compressor motor `s connectors are having loose,it gives a hi ampere to your RELAY that can cause to its contacts being fried,second,the compressor motor itself is gaining a hi ampere already i.e. having unusual sound that can cause heavy friction inside the turning mechanism and third the last but not the least,maybe this time,the tubes or the compressor itself having very small holes that causes to the refrigerant to escape and it doesn`t gives off cold air.
How on earth can you get hot air or hot water from very cold outside air? How does a heat pump make this heat out of cold air?
When certain gases change their state from a liquid to a gas or from a gas to a liquid the magic happens.
A heat pump can do some pretty amazing things, when it comes to making heat. To understand the way they work, you must first understand what happens when certain gases change from a liquid state to a gas and back to a liquid again. To simplify it a bit we need to look at a basic air conditioning system. The refrigerant in an airconditioning system is changing to a liquid in the outdoor condenser. The compressor compresses the gas forming a hot gas. As this gas cools under high pressure it changes into a liquid form.
Inside the indoor coil the liquid is pushed through a small hole or orifice. When it comes out the other side it rapidly changes it’s state to a gas as the pressure suddenly drops. The rapid pressure drop changes the refrigerant to a very cold gas. Air flowing over the cold gas inside the pipes makes the air cool and provides air conditioning.
Now for a heat pump the process is much the same, only coils are just switched by used a reversing valve in the outdoor condenser unit. Instead of the heat being purged to the outside from the condenser unit, the indoor unit then becomes the condenser coil. The outdoor coil becomes the cold coil and cools the outside. This is why if it is very cold outside the unit will have to run in air conditioning mode for a short time to defrost the outside cold coil. When this happens the system will usually have electric heat inside to run and keep the indoor air warm.
The reality is that a heat pump is really no more than an air conditioner running in reverse. Through the magic of using refrigerants, a heat pump can then run many times more efficiently than straight electric heat. A careful heat loss/gain should always be performed by a qualified service person before any sizing of a unit. Too large or too small of a heat pump system can make it inefficient and possibly cause it to be very uncomfortable. The longevity of the unit can also be affected by sizing and installation. Be patient and look carefully for the best contractor to install your system.
A properly designed and installed heat pump system can give you many years of comfort and efficiency. If you look for and find the contractor that can do the job right you will get many trouble free comfortable years from your heat pump unit.
Hi Brian, if the compressor is not working, this is your cooling problem. You will need a volt meter to check and see if you have full voltage to it. If the compressor is grounded out, or has open windings, it will need to be replaced.If you can, take it in and have it checked. It may just be the run capacitor. This would be the way to go. Shastalaker7 A/C, Contractor
Hi, and yes I can see where this can be a big problem for you. With a locked up compressor, a bad PC board, you would need to be a a/c, & Heating Contractor. The only solution that I can see for you to get some parts, is through the Internet, like Customer Service 888-578-9100, or email email@example.com for parts, catalog, and so on. They sell both refrigeration, heating, and A/C parts and equip., my own supplier. If that doesn't help, you will need to find a company that will work with you on repairing your equipment and working a deal with them since you have many units. I hope this has been of some help to you. You have to be certified to buy freon and work with it, so you have to be a licensed C-20, or C-38 contractor. Good Luck, Shastalaker7 A/C, Heating, & Refrigeration Contractor
Check your yellow pages find a contractor who will offer free second opion on compressor failors, better yet try to find one that is a rheem dealer. If the compressor does turn out to be bad he can turn in the model and serial # to find the installation date. In most cases warranty info does start day of contractor purchase unless owner fills out and mails in warranty card. But neverless warranty ticks away while house sits unsold. Compressor does not have to be a direct replacement most any brand of compressor ( of proper capacity) will work in there but may have to do a little retrofit. Should be no problem. As for price replacing a compressor is very expensive. About the most expensive thing to replace. It is definetly easier and quicker to just change out the unit. Get a few quotes keep in mind after replacing comressor some other part of unit could go bad costing more money.
I'm assuming you have had a competent Air Conditioning contractor look your unit over.if you trust your A/C contractor, why don't you work with them towards an answer? I would get an air flow and sizing analysis, a full equipment service/performance check, and see if there is something simple causing this dilemma. Possibly low refrigerant charge,or you have a filter or coil restriction on the indoor unit. I've seen mold plug a coil solidly before. And due to new federal regulations on air conditioning efficiency and the phase-out of R-22, I would recommend that any replacement equipment be done in full, not part and parcel. The newer two stage energy star rated cooling and/or heat pump offerings are a fantastic solution for premium indoor comfort, and the government is offering powerful incentives right now if you're in the market.
If the out door fan keeps running and the compressor cycles off that would be the overload in the compressor.
What keeps the windings cool is the refrigerant back to the compressor.
For the overload to cycle it would have to be either not enough cooling back to the compressor or high amp draw, which could be the metering device (txv or orifice) or low on charge, or other things would be a bad capacitor, sometimes a bad start relay not staying open, when compressor gets up to speed or anything causing the compressor to draw high amps.
To check the refrigerant, he needs to check the superheat at the compressor it should be appoximately 12° to15°, and next time the compressor goes off if you shut the power off and feel the top of the compressor and if it's hot 130° or higher it's probably refrigerant.
You have a short circuit in the outside system. Either a bad compressor,bad fan motor or possibly a bad capacitor. Visually examine the capacitor. If it is bulged out anywhere,replace it. Check for burned wires on the capacitor and all other connections. Remove the compressors wires from the circuit and restart the unit. If the fan runs the problem is in the compressor. If the fan does not run,the problem is with the fan motor.