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Need a replacement coil for a Coleman Evcon air handler Model # AH12L10NA. I am losing freon at a rapid pace. Leak detector indicated leaks in the indoor coil in the air handler. PLEASE HELP! Thanks in advance

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This may be a bigger issue than you want to tackle alone, generally speaking the coil will have to be ordered from a dealer, as most wholesalers will not sell to the general public. Further, this will require brazing the new coil in, evacuating the system, installing a dryer and recharging.

Posted on Jul 12, 2009

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We have a 1997 Coleman pop up camper. We are having issues with AC. It blows out some cold air but not a lot and it keeps leaking water on the inside of the camper. I have called a repair man they said...


If you have some cooling, but not enough, then chances are that the system is low on freon. The only reason a system would need freon is because the freon leaked out. If the leak is not sealed before recharging with freon, the freon will eventually leak out again. Leak repairs are expensive so if it's a small leak it may be more cost effective to recharge the system every two or three years. Freon recharging is not a do-it-yourself job. Only people certified to handle refrigerant (freon) are allowed to recharge an air conditioning system. OR 1. Extremely dirty air filter restricting the airflow through the inside unit. 2. Extremely dirty (clogged) cooling coil restricting airflow AND IF IT IS LEAKING If you do not see ice build-up on the larger copper tubing (covered with a black, sponge insulation) when you run your system, then you probably have a clogged drain line. A clogged drain line is usually caused by algae build-up inside the drain line. And yes, there is something you can do to prevent this condition. Algae is a living plant and will grow in your drain line until it clogs the line. The air handler provides a cool, damp environment for development of molds and mildew and if left untreated these growths can spread into your ductwork. If only moderate to light buildup is present then there are chemical disinfectants specifically designed for use in air handlers that will kill the existing mold and mildew and control new growth. These disinfectants are safe and very effective and are applied by simply spraying into the filter intake and by placing "Algae Strips" directly in the drain pan. If the coil has mold or mildew present then it also should be treated. Make sure that the face of the cooling or evaporator coil is clean so that air can pass through freely. HOPE THIS HELPS :)

Jul 25, 2013 | Cars & Trucks

1 Answer

Goodman/Amana air handler freezing up and not cooling home. What could be causing it?


Hi,
There are two things that cause freeze up's...

Low air flow...

Low freon...

First check the filters, the blower , and the air vents to make sure that the air handler unit can move enough air...not enough air across the coil, the coil gets too cold, ice forms....


The low freon problem will require professional assistance...
For the system to be low there needs to be a leak...the leak must be found and repaired or the fix will only be temporary...
To do this the system refrigerant must be recovered, the leak fixed and then the system vacuumed and recharged...

One other thing....outdoor air temperatures under say 65 F can also cause freezing.... but I am assuming that you are above that if you are running your A/C system.


AirConditioner Trouble - Review the Possibilities

heatman101

May 25, 2011 | Amana Heating & Cooling

1 Answer

How much freon does a 1997 lincoln town car take


I'm pretty sure that model took 1.2lbs of 134a. If you have a newer recharge kit with pressure guage it will have a red section indicating high pressure not to fill past that point. If your freon is fully depleted (no cold air) I'd recommend running a can of stop leak/dye which has a flourescent dye to help locate leak if you don't have a leak detector which I'm guessing you may not. good luck

Jan 07, 2011 | 1997 Lincoln Town Car

1 Answer

I have a Ruud Achieve model UPKB 060 CAZ that has a line that keeps freezing up when the thermostat is set to go below 76 degrees. The freon was checked and some was added. Also, the air handler is in...


Normally when the suction line freezes which is the larger of the 2 lines, #1, its low on freon again and unit has a leak. They are sealed systems and they should never need freon only if they develop a leak. So, this we know. Also, if the air filter is dirty and plugged, and the evaporator coil at the air handler is dirty will cause icing of lines and coil.Not enough air flow across the coil due to a dirty filter. When you set your thermostat to go below 76 degrees, the unit will work harder to keep up to bring the temperature down and if you have a leak which you do, the suction line will ice up. A Ruud 060 is a 5 ton btu unit, good size. Who ever added freon should have done a leak check on it. I would recommend you calling them out as it is low again and do a complete leak check, add dye to the system or there are many ways to do this. If the leak is not found it will continue to ice up. By E.P.A. standards, they cant keep adding freon, they must find the leak.This is all about you can do, is check and make sure you have a return air filter and its clean, and if it continues to ice, have them find the leak, repair it, and re-charge it. I wish you the best.
Sincerely,
Shastalaker7

Jun 18, 2010 | Heating & Cooling

1 Answer

Evcon AC (heat pump) leak in indoor coil


Most refrigerant leaks can be repaired. However, if the leak is between the aluminium fin plates, I would have to agree that it should be replaced. They are correct that you cannot after fifteen years find either an indoor or an outdoor unit seperately and the whole unit would need replacing.

Aug 11, 2009 | Heating & Cooling

2 Answers

2002 TRANE XE 1000 AC - small leak


that is no longer considered a small leak. having to add freon every 5 years is a small leak. you have a massive leak and it needs to be repaired or replaced imediately. you could be charged for freon release by the epa. check the coils and every joint and valve for oil drops or seepage or actual air leaks. for something that bad, you could use soapy water (dish soap) on the joints. where it bubbles is your leak. do not use soapy water on the evaporator (cold) coil. regardless, you need it repaired or replaced and it turned off until you can do so. it's either pay the epa $32,500, or get a new ac.

Jul 29, 2009 | Heating & Cooling

1 Answer

Inside unit freezing


There are varius items that make the unit inside (air handler) freezes up .If the fan motor in the air handler doesn't work it'llice up.If the filter is dirty it'llfreezes up. If the coil in the air handler is dirty it will freezes up.And if the unit is low in refrigerant(freon) it'll ice up.If is low in gas means there's a leak and before recharged it needs to be fixed.

Apr 23, 2009 | Heating & Cooling

1 Answer

Freon leaking


First, you need to complain to the owner about the tech not informing you that the freon would leak out again. It's addtional costs that were not explained to you. If he's a good guy, he may credit you something if you decide to use him to complete the repair. Otherwise, take your money to someone else. And be sure to tell you friends about how you were treated. Vote with your wallet.
Now, He was not totally correct about finding the leak. In 99% of cases, when a leak is in a system, a detector is used to "Smell" the freon and give a signal that there is a leak So, in this case, freon needs to be in the system. Once the leak is found and verified, there can be no freon present in the section of the system that is being repaired. To keep it short, just a big safety no-no. If the leak is in the indoor coil (evap), chances are, they will not repair it. They will try to sell you a new coil. Since yours is only 4 years old, there is the possibility that there may be some sort of pro-rated warranty from the manufacturer. One never knows, ask about it.
Now, repairing an indoor coil is not a good idea. If it leaks once, it's going to leak again.....and again.....and again. Just replace it as they have to do basically everything it takes to remove it to repair it. You should replace it since it is already out. I do not know of any company that will patch leaking evaps. Just bad business. Customers not happy as other leaks soon show up.
Finally, removing all the freon may not be necessary. Ask him about "Pumping down the system into the condensing unit". This can isolate the entire indoor coil and piping so a repair can be done with minimal lose of freon. Remember, it also depends where the leak is at. It may not be possible to do this in every case.

Good luck and hope this clears up some things for you.

Jun 23, 2008 | Goodman CLJ30AR32 Air Conditioner

1 Answer

Warranty


At is different than In. (AT) would be where the lines connect to the coil from the outside of the air handler (Repairable). Oil would show at the point of the leak. If the leak is IN the coil then in most cases the coil would have to be replaced. Coils are normally covered under the first years warranty.

Jun 04, 2008 | Weather King Heating & Cooling

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