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I had a rheem r-22 old system that has been replace by a Ruud R-410A. This unit is always wet outside.The company that installed the unit, according to them they have move the bold inside of the unit, then they raised the pressures to 150[?], then they sealed the unit in the inside with some grey paint. Im still having the same problem with the unit sweeting alot. How can this problem be solve.

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Is the unit outside the one sweating ? If it is that means it is working really well. Pressure should only be set by maximum efficiency and nit to change condensation.

Posted on Aug 20, 2010

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I need exact replacement ac air handler Weather King model RCBA4882GH21...4 ton 10 kw elec heat with the I need to replace my Weather King ac air handler unit...4 ton, W shape evap coil ,elec...


What's wrong with your current AHU? Any Ruud dealer can assist you. Most 4 ton units work with r-22 or 410a. As a side note, most parts in an air handler can be replaced unless the case is rusted thru.

Sep 24, 2013 | Rheem Air Handler 4 Ton With Rhplhm Series

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R-410A or r410a Why This Refrigerant is Better


One of the best benefits of R-410A refrigerant is its exceptionally quiet operation. Other key benefits of R-410A and the air conditioning systems that use it are higher EER (Energy Efficiency Ratio) better heat-pump performance, increased efficiency and reliability. There is also no ozone-depleting chemicals. R410A has the lowest Global Warming TEWI (Total Equivalent Warming Impact). Probably the most important benefit of R-410A is that it will still be available long after the production of R-22 units is stopped in 2010. Although contractors are still using the lower pricing of R-22 equipment as a selling point when talking to their customers, many smart ones are now also selling the environmental benefits of R-410A.They are also selling the benefits of the new technology and the improved comfort level of the new R-410A equipment.

There are many efficiency and economical benefits to R-410A. It has become very important for techs to inform their customers of the many benefits of R-410A products. Some of the benefits of R-410A are low energy consumption, increased product performance, no ozone depleting chemicals (no chlorine), and improved product reliability. The new products that use R-410A are state of the art technology, feature enhanced heat pump and air conditioning performance and meet the clean air act requirements for 2010.

For many years most air conditioners and heat pumps sold around the world used a refrigerant called R-22. Homeowners and business owners now have the ability to ask for an air conditioner or heat pump that uses the more efficient and environmentally friendlier refrigerant called R-410A. When you buy a new air conditioning or heat pump system by selecting R-410A you virtually eliminate the possibility that refrigerant leaking from your system could contribute to the hole in the ozone layer. You will also be investing in a new comfort system that will last you for many years to come. This is because R-410A (a chlorine-free refrigerant) complies with governmental legislation to phase out ozone-depleting refrigerants well ahead of the 2010 deadline. Another thing to consider is that the costs of R-22 will begin to rapidly rise when the production of R-22 units are phased out by January 1, 2010. Because of this there will be less R-22 refrigerant produced.

One of the greatest benefits of R-410A is that it will still be available for a long after the production of R-22 units ceases in 2010. If you are installing an air conditioner or heat pump in the near future, make sure that you specify that the unit uses R-410A refrigerant.
Do not allow the installation of a R-22 unit even if the pricing is much lower. The future costs of a repair to the unit will more than offset the savings now.

http://www.fixya.com/support/r3636724-r_410a_new_refrigerant_air_conditioning

on Jan 10, 2010 | Heating & Cooling

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R-410A The New Refrigerant for Air Conditioning


R-410A possesses excellent cooling capacity and operates at 50% higher pressure. R-410A is a mixture (blend) of refrigerants that create properties nearly identical to R-22, but are free of ozone depleting chlorine molecules. R-410A was developed in response to an agreement between numerous countries (known as the Montreal Protocol). That stated that those countries would move toward discontinuing the use of hydrochloro-fluorocarbon (HCFC)-based refrigerants. R-410A, chemically known as an HFC (hydrofluorocarbon), contains no chlorine and will not damage the ozone layer.

R-410A is an azeotrope mixture of R-32 and R-125. R-410A cannot be used to retrofit existing R-22 a/c equipment due to significantly higher operating pressures and much higher cooling capacity as outlined in the chart below. R-410A when operating at normal operating pressures and temperatures has higher pressures. R-410A cannot be used as a "drop-in" replacement for R-22; the higher operating pressures will damage R-22 compressors and components. Therefore the old R-22 refrigerant systems needed to be buffed up some to handle the higher pressures. Because of this R-410A and R-22 equipment cannot be cross matched.

R-410A has unique performance specifications and characteristics for oil, moisture indication, thermal expansion valves, compressors, filter driers and refrigerant handling. R-410A air conditioners use newer synthetic lubricants that are usually more soluble with the R-410A than the old mineral oils are with the older R-22 refrigerants. R-410A systems use mineral oils for lubrication. R-410A systems can be more reliable than R-22 systems. R-410A air conditioners and heat pumps are today's "state of the art" systems, and utilize the most current technology available for efficient and reliable operation.

R-410A was developed to replace the ozone depleting R-22 refrigerant now used in most residential and some commercial air conditioning equipment. R-410A has no ozone depletion potential but does have a higher global warming potential.

R-410A has quickly become the refrigerant of choice for use in air conditioning applications because the refrigerant delivers higher efficiency and better Total Equivalent Warming Impact (TEWI) than other choices. Make sure that if you are installing a new air conditioning system, that you specify that the new system uses R-410A. Not only is a R-410A system more reliable, but remember that R-22 use will be discontinued in 2010. An R-410A system will give you the best and most effective service for the foreseeable future.

on Dec 14, 2009 | Heating & Cooling

3 Answers

I have a 3 ton split system using a Rudd 3 ton condensing unit model UAHE036JAS . The compressor is going bad and I would like to replace it with a new condensing unit operating on R-22 . I do nt want to...


Only if they are still available in your area. Goodman still has a few R-22 units left in Texas the last I heard and that is only if your local supply stores can order them. They are getting to be far and few between since they have stopped making the equipment. You might also get a second opinion, a lot of companies are just trying to benefit more by replacing everything, but you could still have a R-22/410A compatible indoor coil and copper line set, they just have to use a flush kit to get all the old refrigerant out of the system. 410A is easily contaminated and runs at a lot higher pressures, that is why they want you to replace everything, but there is still hope. It will save you a little money just having the system flushed and replaced with 410A condenser, but only if compatible. Hope this helps and good luck!

Aug 19, 2010 | Ruud UBHC Air Conditioner

1 Answer

Chargeing Unit


The old 410A fittings are different than the r-22 fittings. There are adapters available on ebay. Remember 410A runs at higher pressures than 22. Be sure to use gauges for 410A! Use the right gauges with the right hoses! High pressure.. Use the right gauges and the right hoses!

Jul 30, 2010 | AmcorAire UCHW-H18AF2 Split System Air...

1 Answer

I have a 7 yr old coil model number CK3XAA04202-1AAA I now need to replace the outside condenser which is 20 yrs old. How do I find out what ton is the condenser all markings are gone?


You could look at the compressor to get the model number off the compressor which can be traced back to how many BTU's this unit was capable of producing. Also you may have to change that coil that was replaced 7 years ago. R-22 is now a refrigerant of the past. Of course you can still buy the jugs of R-22 but manufacturers cannot make the units using R-22. You are now going to go with a R-410a unit which runs at significantly higher pressures. That indoor coil may not be rated to handle that kind of pressure. Do not let any contractor try to tell you different unless they can show proof that the coil has a R-410a rating from the manufacturer. It may cost more but it is nice to have a matched system.

Jun 10, 2010 | Heating & Cooling

1 Answer

I have a Lennox CH23.51 series coil unit using R22 freon installed one year ago. Compressor is 9 years old. Down the road when replacing compressor (R410A ), will CH23.51 unit be compatible after changing...


This evaporator core is R-22 / R-410A compatible. The Thermostatic Expansion Valve (TXV) is for R-22. If retrofitting to R-410A, a new TXV metering device would be required, but the evap. core itself could be re-used (as long as you stick with the same Tonnage you have now). If upgrading to a higher tonnage system (like going from 4-Ton to 5-Ton), then you would need a totally new evaporator core.

Jun 08, 2010 | Heating & Cooling

1 Answer

Going to replace hvac system. Don't know what


Hello,
According to the model number it is a 2 ton or 24,000 BTU unit. It is very important that you change the indoor coil as well as the outdoor section, due to it being a 10 SEER unit, and the new basic systems are 13 SEER, the old coil cannot handle the higher SEER ratings.
Rheem and Ruud are the same equipment, just 1 number different on the model number.
I hope this has helped, please rate the new guy :)
Please contact me if I can be of any further help to you.
Have a great day!
Sincerely,
Paul Gibson

Apr 04, 2010 | Ruud Matching Split Air Conditioner

2 Answers

Compressor kicks out and it's new


First of all, clean your outside coils so that you are assured of good cooling air. The compressors have an overtemp device that is usually internal to protect them against heat. If you have an air compressor use it to blow out the coils good. If the compressor will start, the capacitor is good so it sounds like a cooling problem with the compressor

Jun 25, 2009 | Ruud UAMB Air Conditioner

2 Answers

A/C coolant requirements, replacing both units


That is true, what the company told you, due to the gov't upping the minimum S.E.E.R rating (Seasonal Energy Efficiency Ratio) it is heavily recommended by everyone in this field to replace both. It is a lot of money in this economy to do this but your energy savings in time will pay for it, I'm a Carrier kind of guy personally and with the new tax credits the government is giving for energy saving the Carrier Infinity which is the Cadillac of A/C units, is very cheap. Plus from experience it has saved my customers up to 65% on their electric bills

May 14, 2009 | Heating & Cooling

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