In article , brassplyer wrote:
Have a Trane central system installed in 88. Model T V030 A140A0

When I last ran the A/C a few months ago it seemed to be working fine.
Usually when it fires up, you can hear a shursssshhhhh-shurrssssh
which I gather is freon starting to move within the system and you can
feel the bubbles in a tube at the front of the air handler housing.

Now when I fire it up I get no freon sound and no cool air. The air
handler is funning and the fan on the compressor unit outside is
running. I depressed the Hi Press fitting a really quick hit just to
verify there's pressure and there is.

It actually exhibited this behavior years ago when it was newer - a
few restarts seemed to get it kicked into gear, but so far no luck.

I'm not versed in A/C but am otherwise mechanically inclined, no
problem whatsoever digging into things with proper direction. Any
primary suspects I should look at before calling someone in?

Thanks for all input.


One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent
but its still working. older AC will draw a lot more amps.

greg

In article , (GregS) wrote:
In article ,
brassplyer wrote:
Have a Trane central system installed in 88. Model T V030 A140A0

When I last ran the A/C a few months ago it seemed to be working fine.
Usually when it fires up, you can hear a shursssshhhhh-shurrssssh
which I gather is freon starting to move within the system and you can
feel the bubbles in a tube at the front of the air handler housing.

Now when I fire it up I get no freon sound and no cool air. The air
handler is funning and the fan on the compressor unit outside is
running. I depressed the Hi Press fitting a really quick hit just to
verify there's pressure and there is.

It actually exhibited this behavior years ago when it was newer - a
few restarts seemed to get it kicked into gear, but so far no luck.

I'm not versed in A/C but am otherwise mechanically inclined, no
problem whatsoever digging into things with proper direction. Any
primary suspects I should look at before calling someone in?

Thanks for all input.


One thing you can do is take a clamp ammeter around the 220 line and measure
the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent
but its still working. older AC will draw a lot more amps.

greg

http://www.harborfreightusa.com/html.../images/11.jpg

That can provide some information. Of course, an older unit
will draw more. A dirty unit will draw more. An under
charged unit will draw less.

Dirty and undercharged can cancell each other out.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"GregS" wrote in message
...

One thing you can do is take a clamp ammeter around the 220
line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of
refridgerent
but its still working. older AC will draw a lot more amps.

greg

Great link! Working that back, led to a list of JPEG files,
that can be printed.
http://www.harborfreightusa.com/html/wkend0412/images/

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"GregS" wrote in message
...
One thing you can do is take a clamp ammeter around the 220
line and measure
the amps.

http://www.harborfreightusa.com/html.../images/11.jpg

On Apr 7, 10:54*am, (GregS) wrote:


One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent

greg

As far as I know, there is no consumption of refrigerant in any
residential system.

If you're low, you have a leak. You fix the leak and refill. There
is no periodic topping off of refrigerant that got used up, can't
happen.

On Apr 7, 10:12*pm, TimR wrote:
On Apr 7, 10:54*am, (GregS) wrote:



One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent

greg

As far as I know, there is no consumption of refrigerant in any
residential system.

If you're low, you have a leak. *You fix the leak and refill. *There
is no periodic topping off of refrigerant that got used up, can't
happen.

Yes, but extremely small leaks of a few ounces a year can be almost
impossible to find and fix. There are a lot of systems with that
problem. The only practical solution is to add a little refridgerant
every couple years.

There is no such thing as perfect. All refrigeration systems
leak to some extent. When I got my EPA card, the law said we
can top off any system with less than 50 pounds of
refrigerant.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"TimR"
wrote in message
...

As far as I know, there is no consumption of refrigerant in
any
residential system.

If you're low, you have a leak. You fix the leak and
refill. There
is no periodic topping off of refrigerant that got used up,
can't
happen.

jamesgangnc wrote:
On Apr 7, 10:12 pm, TimR wrote:
On Apr 7, 10:54 am, (GregS) wrote:



One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent
greg
As far as I know, there is no consumption of refrigerant in any
residential system.

If you're low, you have a leak. You fix the leak and refill. There
is no periodic topping off of refrigerant that got used up, can't
happen.

Yes, but extremely small leaks of a few ounces a year can be almost
impossible to find and fix. There are a lot of systems with that
problem. The only practical solution is to add a little refridgerant
every couple years.

I've had very good luck with a stop leak from the company Cliplight
Manufacturing. I use it for systems that have tiny leaks that would
require a major disassembly to find. I always pull a deep vacuum on
anything that has been rebuilt and use nitrogen to blow through it
a few times. When me and my friends install a new system on a job
somewhere, the condenser may not be installed until the building or
home is ready to be occupied because too many condensing units have
been stolen. We will blow the lines and evaporator out with nitrogen,
install service valves on the line set, pressurize it with nitrogen
and leave it that way until it's time to set the condenser. The good
thing about leaving lines and evaporator charged with N2 is that we
know if there is a leak or if a carpenter put a nail through a line.

http://preview.tinyurl.com/lby8fz

TDD

On Apr 8, 8:32*am, jamesgangnc wrote:
On Apr 7, 10:12*pm, TimR wrote:

On Apr 7, 10:54*am, (GregS) wrote:

One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent

greg

As far as I know, there is no consumption of refrigerant in any
residential system.

If you're low, you have a leak. *You fix the leak and refill. *There
is no periodic topping off of refrigerant that got used up, can't
happen.

Yes, but extremely small leaks of a few ounces a year can be almost
impossible to find and fix. *There are a lot of systems with that
problem. *The only practical solution is to add a little refridgerant
every couple years.

Yes, that's what many techs do. Shoot a quick squirt in, satisfy the
customer, guarantee a return visit next year.

Professionals on the other hand know how to fix the leak, and do the
job right.

On Apr 8, 9:22*am, The Daring Dufas
wrote:
jamesgangnc wrote:
On Apr 7, 10:12 pm, TimR wrote:
On Apr 7, 10:54 am, (GregS) wrote:

One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent
greg
As far as I know, there is no consumption of refrigerant in any
residential system.

If you're low, you have a leak. *You fix the leak and refill. *There
is no periodic topping off of refrigerant that got used up, can't
happen.

Yes, but extremely small leaks of a few ounces a year can be almost
impossible to find and fix. *There are a lot of systems with that
problem. *The only practical solution is to add a little refridgerant
every couple years.

I've had very good luck with a stop leak from the company Cliplight
Manufacturing. I use it for systems that have tiny leaks that would
require a major disassembly to find. I always pull a deep vacuum on
anything that has been rebuilt and use nitrogen to blow through it
a few times. When me and my friends install a new system on a job
somewhere, the condenser may not be installed until the building or
home is ready to be occupied because too many condensing units have
been stolen. We will blow the lines and evaporator out with nitrogen,
install service valves on the line set, pressurize it with nitrogen
and leave it that way until it's time to set the condenser. The good
thing about leaving lines and evaporator charged with N2 is that we
know if there is a leak or if a carpenter put a nail through a line.

http://preview.tinyurl.com/lby8fz

TDD- Hide quoted text -

- Show quoted text -

I tried that on one system. The compressor was a far bit noisier
after adding that sealer. It ran that way for another year or so but
it didn't sound good while doing it.

jamesgangnc wrote:
On Apr 8, 9:22 am, The Daring Dufas
wrote:
jamesgangnc wrote:
On Apr 7, 10:12 pm, TimR wrote:
On Apr 7, 10:54 am, (GregS) wrote:
One thing you can do is take a clamp ammeter around the 220 line and measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridgerent
greg
As far as I know, there is no consumption of refrigerant in any
residential system.
If you're low, you have a leak. You fix the leak and refill. There
is no periodic topping off of refrigerant that got used up, can't
happen.
Yes, but extremely small leaks of a few ounces a year can be almost
impossible to find and fix. There are a lot of systems with that
problem. The only practical solution is to add a little refridgerant
every couple years.
I've had very good luck with a stop leak from the company Cliplight
Manufacturing. I use it for systems that have tiny leaks that would
require a major disassembly to find. I always pull a deep vacuum on
anything that has been rebuilt and use nitrogen to blow through it
a few times. When me and my friends install a new system on a job
somewhere, the condenser may not be installed until the building or
home is ready to be occupied because too many condensing units have
been stolen. We will blow the lines and evaporator out with nitrogen,
install service valves on the line set, pressurize it with nitrogen
and leave it that way until it's time to set the condenser. The good
thing about leaving lines and evaporator charged with N2 is that we
know if there is a leak or if a carpenter put a nail through a line.

http://preview.tinyurl.com/lby8fz

TDD- Hide quoted text -

- Show quoted text -

I tried that on one system. The compressor was a far bit noisier
after adding that sealer. It ran that way for another year or so but
it didn't sound good while doing it.

Day before yesterday I had a noisy compressor in a make line at a pizza
place. I injected 3oz of Supco88 into the system and it is a lot quieter
now. It will free up just about any sticking valve or bearing.

http://www.supco.com/Chemicals%20pg7.htm

TDD

Now, that looks totally useful.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"The Daring Dufas" wrote
in message ...

Day before yesterday I had a noisy compressor in a make line
at a pizza
place. I injected 3oz of Supco88 into the system and it is a
lot quieter
now. It will free up just about any sticking valve or
bearing.

http://www.supco.com/Chemicals%20pg7.htm

TDD

In article , TimR wrote:
On Apr 8, 8:32=A0am, jamesgangnc wrote:
On Apr 7, 10:12=A0pm, TimR wrote:

On Apr 7, 10:54=A0am, (GregS) wrote:

One thing you can do is take a clamp ammeter around the 220 line and =
measure the amps.
On mine I measure 6 amps, which probably shows some loss of refridger=
ent

greg

As far as I know, there is no consumption of refrigerant in any
residential system.

If you're low, you have a leak. =A0You fix the leak and refill. =A0Ther=
e
is no periodic topping off of refrigerant that got used up, can't
happen.

Yes, but extremely small leaks of a few ounces a year can be almost
impossible to find and fix. =A0There are a lot of systems with that
problem. =A0The only practical solution is to add a little refridgerant
every couple years.

Yes, that's what many techs do. Shoot a quick squirt in, satisfy the
customer, guarantee a return visit next year.

Professionals on the other hand know how to fix the leak, and do the
job right.

I have used some window units for 40 years and still work.
When I see thin aluminum cores, you go to wonder.
The more efficient the more chance of failure.
Now my Cavalier was working great up untill
last month when all hell broke loose. The garage man says he tops his
off a couple times a year. Last year I was trying to top off my 77 280Z
with R134, and it worked for a while, longer than the last time I tried,
15 years ago. I gave away my last can when I sold the car.
Compressor leaks are common on the vehicles.

My House air sort of seems a little slow, but its only taking 1500 watts
and its supposed to be a 2.5 ton.

I had window air units taking 23 amps at 220.


greg

"The King" wrote in message
...
On Thu, 8 Apr 2010 08:34:53 -0400, "Stormin Mormon"
wrote:

There is no such thing as perfect. All refrigeration systems
leak to some extent.

Why do you lie?


Why do bears **** in the woods?

Oscar_Lives wrote:
"The King" wrote in message
...
On Thu, 8 Apr 2010 08:34:53 -0400, "Stormin Mormon"
wrote:

There is no such thing as perfect. All refrigeration systems
leak to some extent.
Why do you lie?


Why do bears **** in the woods?

Such information is classified and only released on a need to go basis.

The King wrote:
On Thu, 8 Apr 2010 20:27:09 -0500, "Oscar_Lives"
wrote:

"The King" wrote in message
...
On Thu, 8 Apr 2010 08:34:53 -0400, "Stormin Mormon"
wrote:

There is no such thing as perfect. All refrigeration systems
leak to some extent.
Why do you lie?

Why do bears **** in the woods?

Bears are mormon too?

Naw... They would look silly running around in Holy underwear.

You'd never know -- they wear the holy underwear under their
fur.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"Alexander" wrote in message
...
The King wrote:
On Thu, 8 Apr 2010 20:27:09 -0500, "Oscar_Lives"
wrote:

Why do bears **** in the woods?

Bears are mormon too?

Naw... They would look silly running around in Holy
underwear.