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Insulating over AC freon tubing?

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Insulating over AC freon tubing? smith_bp101 07-25-2005
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Posted by on July 25, 2005, 10:45 am


I'm installing some insulation in a wall. There is a low and high
pressure copper tubing for the A/C. Can I insulate over this tubing?

Also, later I might need to move this tubing. I will probably have to
cut the tubing, install the new tubing and solder in the new section.
What is the best way to do this?



Posted by SQLit on July 25, 2005, 12:07 pm



> I'm installing some insulation in a wall. There is a low and high
> pressure copper tubing for the A/C. Can I insulate over this tubing?
>
> Also, later I might need to move this tubing. I will probably have to
> cut the tubing, install the new tubing and solder in the new section.
> What is the best way to do this?


Sure insulate away. The big pipe should have insulation over it anyway.
Normally a black closed foam insulation.


You do not EVEN want to consider cutting these pipes, unless you are EPA
certified and have
a reclaiming machine.
a vacuum pump
holding tank
VERY familar with silver soldering
Please call a pro for this kind of work.

If it leaks you will be tearing out the wall after you finished everything.




Posted by Stormin Mormon on July 27, 2005, 12:46 pm


Yes, you can insulate the tubing. It's got gas (or liquified gas) under
pressure. If you want to cut and reatach the tubing, you'll need a licensed
AC person to do it for you.

--

Christopher A. Young
Learn more about Jesus
www.lds.org
www.mormons.com


I'm installing some insulation in a wall. There is a low and high
pressure copper tubing for the A/C. Can I insulate over this tubing?

Also, later I might need to move this tubing. I will probably have to
cut the tubing, install the new tubing and solder in the new section.
What is the best way to do this?




Posted by Edwin Pawlowski on July 27, 2005, 1:46 pm



> I'm installing some insulation in a wall. There is a low and high
> pressure copper tubing for the A/C. Can I insulate over this tubing?

Sure.,


>
> Also, later I might need to move this tubing. I will probably have to
> cut the tubing, install the new tubing and solder in the new section.
> What is the best way to do this?

You can't.

Step one is to be licensed to handle the refrigerant.

Step two, evacuate the system and reclaim the refrigerant. It cannot be
vented.

Then you cut ad replace the tubing. Refrigeration systems must be kept very
clean. The oxidation from soldering the lines can cause a failure down the
road. It is common practice to fill the tubing with nitrogen to avoid that.
Or a new lineset with compression fitting is used.

Then it has to be leak tested

Next you draw a vacuum on the system to remove any air and moisture

Hundreds of dollars later you are ready to re-charge the system.




Posted by on July 28, 2005, 7:25 am


Thanks everyone!
Now I know I can at least insulate it, but I'll have someone else do
any type of soldering etc.



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