|
Posted by Ken on July 15, 2006, 8:40 am
Noon-Air wrote:
>> Noon-Air wrote:
>>>> Recently I had my two heating/AC systems replaced with Rheem units.
>>>> During the installation I noticed that some Freon escaped during the
>>>> charging operation of the new A/C systems. The condenser units are
>>>> RAND-24JAZ models, R22, SEER 13 units.
>>>>
>>>> The installation information states the Service Valve is "NOT" back
>>>> seated on these units. I have read of some valves (King Valves I
>>>> believe), that cut off the input of coolant when the valve is backed
>>>> out. When they removed the hoses, they did so rapidly so as to lose a
>>>> minimum of Freon. My question is: Is it possible that these units were
>>>> made so that escaping Freon cannot be stopped when attaching and
>>>> disconnecting the hoses for charging, or was the installer unaware of
>>>> how to do it without allowing the escape?
>>>>
>>>> This is not a major problem as I hope the new units serve me well as the
>>>> old ones had done, but it is a curiosity. Thanks.
>>> THere will aways be a "de-minumus" release when the hoses are
>>> removed...even with the environmentaly friendly "dry break" fittings, you
>>> will still get a minimal release.
>> I appreciate your reply, but what I apparently failed to describe properly
>> was the Freon escaping from the Schrader valve. In my old system they had
>> a cut off valve that closed access to the system via the Schrader valve,
>> and when the hoses were released it was only the Freon from inside the
>> hoses that would escape. My situation was such that they either failed to
>> cut off this path or there was no way of cutting it off. Since Rheem
>> makes a reliable unit, I wondered if it was possible that there was no cut
>> off? Anyone familiar with these units???
>
> Nobody uses backseating valves on residential equipment anymore except for
> maybe some Bryant stuff. The only thing that keeps the refrigerant in the
> system is the schrader and the service port cap.
>
>
Thanks, that is what I needed to know.
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap