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How do i clean the evaporator coil on my ruud 3 ton unit .

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The best way that I have found to clean the evap. coil when it's clogged with dirt and other things is a small wire brush and some evap. coil cleaner that is self rinsing. You will have to open the coil box and take the small cover off of the coil itself which can be a pain sometimes. You might have to take the flue apart and clear other obstacles that can get in the way. The self rinsing cleaner has to be bought at a A/C supply store. Be careful not to bend the aluminum fins has this could add to the problem. Also be sure that you don't leave a lot of junk in the drain pan or it might also be clogged later. One more thing that a lot of people forget to do is clean the coils on the outside unit as well. This can be done with a water hose and a spray gun. Starting from the top, work your way from left to right and heading down. Also be careful not to bend the aluminum fins here too. Hope this helps!

Posted on Aug 05, 2010

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The compressor is going bad or the unit is charged wrong...
Whatever the cause the problem is the compressor locking up and blowing the fuses...
Clean the condenser coil...maybe the pressures are going too high...
If that don't work, then the compressor is shot or over charged...

Here is a tip that I wrote about how to clean your condenser

Cleaning Air ConditionerCondenser Coil with Pictures

heatman101

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I have a Ruud Achiever series 5 ton outside airconditioner - model UAKB060JAZ. It is 5 years old. All of a sudden it wants to freeze up and it has my plumber baffled.


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Don't choose a plumber to fix your A/C unit. ;p

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1 Answer

I have a Ruud Model # UACC-036JAS. Any idea on


Hi, yes the number you are showing me 036 indicates its a 3 ton unit. For every ton of cooling, you will have 12,000 btu's of cooling. 36 divided by 12=3 ton unit. Its showing me also its a Ruud Handler 2.0 ton which would be a Model# UACC-024JAS? If your mobel number is the one you gave me, UACC-036JAS, this is a 3 ton unit, absolutely no questions. I hope I have been of help to you. I am a licensed air conditioning / Refrigeration /Heating Contractor. Let me know if I have been of help.
Sincerely,
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PS If this is a split system with the indoor air handler and condenser outdoors, both coils must be the same tonnage for it to work for you properly. You can't have a 2 ton indoor evaporator coil with a 3 ton condensing unit.

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1 Answer

Part number for an evaporator coil for a ruud system model number for the condensr is UAHE-023JAS I dont find any numbers on the coil. Can you match it up?


i can tell you it is a 2 ton unit. 24,000 btu's. the only other thing you need to know is the width and the depth. they make a 15 inch and a 19 1/2 cabinet. hope this helps you.

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Have Rheem 5 ton heat pump with stacked coils poor cool.


If your sure on the psi your low on freon or your evaporator is restricted discharge psi would realy help.you will get best performance with a clean unit or pay expensive utility bill . Tom

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Residential HVAC - Repair vs Replace? Heat Pump? Two Stage AC?


for 65 dollars i would replace the coil I do however love gas and heat pump combos it will cut your gas bill by about 75% only uses gas below 30 deg
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Compressor will not start.


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Follow the copper line set from the condenser. Yhat will be the yellow brick road to tne evap coil.

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