DIYbanter - How do I add freon to a portable air conditioner?

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Clare Snyder

July 22nd 20 02:04 AM

How do I add freon to a portable air conditioner?

On Mon, 20 Jul 2020 23:56:49 -0400, Ralph Mowery
wrote:

In article , says...

He did use a self piercing fitting.* He also had three cans of R134. Fix
the leak?* Nah just keep adding.* Gauges?* Nah, when it get cold you are
good.* Well, maybe.
The equipment he had put together was probably with a few bucks shy of
just buying a new unit.* What could go wrong?

He showed exactly where he fixed the leak. With solder.

The leak was fixed, Then he added the number of ounces of refrigent
that was listed on the lable. Only thing I see he missed was the oil of
r22 is not compatiable with 134a and can cause problems down the line.
And the 134 charge ans 22 charge are NOT the same. The difference
between 12 asnd 124 is a factoe of about 4 - about 1/4 as much 134 as
12. Not sure the ratio with 134 and 22.
And solder is NOT allowed in refrigeration - it has to be brazed with
phosphor bronze (or silphos)

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July 22nd 20 02:46 AM

How do I add freon to a portable air conditioner?

On Tue, 21 Jul 2020 21:04:50 -0400, Clare Snyder
wrote:

On Mon, 20 Jul 2020 23:56:49 -0400, Ralph Mowery
wrote:

In article , says...

He did use a self piercing fitting.Â* He also had three cans of R134. Fix
the leak?Â* Nah just keep adding.Â* Gauges?Â* Nah, when it get cold you are
good.Â* Well, maybe.
The equipment he had put together was probably with a few bucks shy of
just buying a new unit.Â* What could go wrong?

He showed exactly where he fixed the leak. With solder.

The leak was fixed, Then he added the number of ounces of refrigent
that was listed on the lable. Only thing I see he missed was the oil of
r22 is not compatiable with 134a and can cause problems down the line.
And the 134 charge ans 22 charge are NOT the same. The difference
between 12 asnd 124 is a factoe of about 4 - about 1/4 as much 134 as
12. Not sure the ratio with 134 and 22.
And solder is NOT allowed in refrigeration - it has to be brazed with
phosphor bronze (or silphos)

I have seen plenty of systems running for years with 95/5 "hard
solder" joints.

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