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Recharge my home's own A/C Rick 05-29-2006
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Posted by Rick on May 29, 2006, 9:54 am
I have a manifold set and 30lb can of R-22 refrigerant and need to top
off my home AC system that seems to need a recharge every 3-4 years.
Is there a do-it-yourself guide that shows how to locate the low
pressure recharge point and steps a repair person through it? I've
googled the subject and not found anything! I really do not want to
pay a repair man $100 to add one pound of refrigerant into the system,
when I own the coolant and tools. Thanks in advance.


PexSupply Save 10 468x60
Posted by on May 29, 2006, 10:06 am
id get a good book on the subject and read it.. might search hvac
books..

http://www.minibite.com/america/malone.htm


Posted by udarrell on May 29, 2006, 10:09 am
Rick wrote:

>I have a manifold set and 30lb can of R-22 refrigerant and need to top
>off my home AC system that seems to need a recharge every 3-4 years.
>Is there a do-it-yourself guide that shows how to locate the low
>pressure recharge point and steps a repair person through it? I've
>googled the subject and not found anything! I really do not want to
>pay a repair man $100 to add one pound of refrigerant into the system,
>when I own the coolant and tools. Thanks in advance.
>
>
The leak should be fixed.

You need far more than a manifold gage to accurately charge an air
conditioner!
Read and learn what you need in instruments and know-how. - udarrell -
Darrell
After you know what to ask a service tech, call and get the leak located
and fixed, ask the tech to use your R-22.

--
Air Conditioning's Affordable Path to the "Human Comfort Zone Goal"
http://www.udarrell.com/air-conditioning-total-heat-enthalpy-latent-heat.html
http://www.udarrell.com/ac-trouble-shooting-superheat-subcooling.html

Posted by Sacramento Dave on May 29, 2006, 10:37 am

>I have a manifold set and 30lb can of R-22 refrigerant and need to top
> off my home AC system that seems to need a recharge every 3-4 years.
> Is there a do-it-yourself guide that shows how to locate the low
> pressure recharge point and steps a repair person through it? I've
> googled the subject and not found anything! I really do not want to
> pay a repair man $100 to add one pound of refrigerant into the system,
> when I own the coolant and tools. Thanks in advance.
>

I would start buy Finding the leak, the refrigerant must be going
somewhere. These days $100 dollars isn't a lot to pay for experience and
convenience. Plus if you need special tools, Gauges, hoses, regulator, buy
the time you chase all that down what do you really save? There's a real
fine line between saving money and Cheap stupidity.



Posted by on May 29, 2006, 10:45 am
Plus, isn't it illegal to recharge a leaking AC system? I like to do
as many repairs as I can myself, but if my AC was leaking, I'd gladly
pay to have it fixed right once, instead of hacking around.


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