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One condensor = two evaporators?

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One condensor = two evaporators? Mozzer 11-21-2006
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Posted by jamesgangnc on November 22, 2006, 8:07 am
I think it would be bad idea to simply T it. You might be able to pull
it off using a a couple heat pump reversing valves. A T would not be
balanced and the evaporator with the fan running would have very
different charateristics from the one where the fan was running. It
would probably freeze up and might also result in liquid refrigerant on
the return side. All in all seems like more trouble than it would be
worth.

Mozzer wrote:
> Mozzer wrote:
>
> > I have an LG split aircon unit and matching evaporator. It is 9000BTU.
> > I also have a spare matching evaporator.
> > Question is can I split the refrigerant between the two? I appreciate
> > this is far from ideal and may over work the compressor. But in the UK
> > climate it would not be worked that hard. I could ensure that only one
> > is used at a time?
> > Views appreciated - thanks
>
> Thanks for *some* of the replies. I've installed several of these units
> and know the basics of pipe work, brazing etc. I intended to isolate
> the controls electrically but let the refrigerant flow (by 't'
> fittings) to each, just that one would not be running.
>
> OK - it will not work it seems but am I to be shot for merely asking
> (by some above)? I only wanted pro advice.


Electric Radiant Heat 468x60
Posted by Mark on November 22, 2006, 6:00 pm


> I think it would be bad idea to simply T it. You might be able to pull
> it off using a a couple heat pump reversing valves. A T would not be
> balanced and the evaporator with the fan running would have very
> different charateristics from the one where the fan was running. It
> would probably freeze up and might also result in liquid refrigerant on
> the return side. All in all seems like more trouble than it would be
> worth.

How about putting them in series?
Mark


Posted by James on November 22, 2006, 11:10 pm
Sorry, that wouldn't work either.

>
>
>> I think it would be bad idea to simply T it. You might be able to pull
>> it off using a a couple heat pump reversing valves. A T would not be
>> balanced and the evaporator with the fan running would have very
>> different charateristics from the one where the fan was running. It
>> would probably freeze up and might also result in liquid refrigerant on
>> the return side. All in all seems like more trouble than it would be
>> worth.
>
> How about putting them in series?
> Mark
>



Posted by Noon-Air on November 22, 2006, 9:39 am

>I have an LG split aircon unit and matching evaporator. It is 9000BTU.
> I also have a spare matching evaporator.
> Question is can I split the refrigerant between the two? I appreciate
> this is far from ideal and may over work the compressor. But in the UK
> climate it would not be worked that hard. I could ensure that only one
> is used at a time?
> Views appreciated - thanks

With enough money, anything is possible. You can do it if you want to invest
the time and money to re-design the entire system.
If you want a clue, think "multi-box refrigeration system"



Posted by Mozzer on November 23, 2006, 3:48 pm

Noon-Air wrote:

> >I have an LG split aircon unit and matching evaporator. It is 9000BTU.
> > I also have a spare matching evaporator.
> > Question is can I split the refrigerant between the two? I appreciate
> > this is far from ideal and may over work the compressor. But in the UK
> > climate it would not be worked that hard. I could ensure that only one
> > is used at a time?
> > Views appreciated - thanks
>
> With enough money, anything is possible. You can do it if you want to invest
> the time and money to re-design the entire system.
> If you want a clue, think "multi-box refrigeration system"

Thanks to all for the explanations/ideas which do make sense to me -
anyone want a spare evaporator :(


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