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Posted by Zyp on March 3, 2008, 11:46 am
.p.jm@see_my_sig_for_address.com wrote:
> wrote:
>
>> On Sun, 2 Mar 2008 18:16:25 -0800 (PST), "Marc O'Brien"
>>
>>>>
>>>> As for the Sporlan dude., ok, he worked / or works for Sporlan.
>>>> Does that
>
> You still don't get it. His title was 'Chief Design
> Engineeer'. All the other little engineers reported to him. He
> didn't 'just work there'.
>
>>>> mean his bosses wanted him to publicly say you can do what their
>>>> literature publicly says you shouldn't? If they did, then it would
>>>> be published in their literature.
>
> Andy WROTE that literature. Quite literally - one of his
> tasks was writing all Sporlan product literature ( or, at a minimum,
> approving it after his staff did the grunt work ).
>
>>> But Andy doesn't say publicly that you can do it. He says publicly
>>> that you can do it conditionally.
>>
>> Say it or not........Id just like to see it. Ive been doing this for
>> about 27 years now and cant say that Ive ever seen a drier in the hot
>> gas discharge. Ive worked on up to 100 ton units and down to the
>> small resi chit and cant say Ive ever seen one installed there.
>> Pictures man, pictures. Where are they?
>> Bubba
>
> I was suprised as hell when I changed the compressor on my
> Rheem heat pump a few years ago - I assumed on first glance that the
> thing hanging off the compressor that LOOKED like a muffler, WAS a
> muffler. Until I read the label on it. It was a drier.
>
> As Andy says ( I take his word for it ), York apparently has
> been doing it for a long time, too. Most likely on the resi lines, I
> would guess.
>
>
> --
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>
> Paul ( pjm @ pobox . com ) - remove spaces to email me
> 'Some days, it's just not worth chewing through the restraints.'
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Well Paul;
I concede to the fact that:
1. A quick phone call confirms YORK Mfg. "is" placing filter driers in the
hot gas discharge [and apparently not more than 6" away from the compressor]
which lends itself to a new quandary. [Albeit heat pumps.]
2. Rheem as well is installing filters there as well.
But professionally, I'd never install one there. It's my company's $$$$
laid out if something goes wrong. I end up paying the bill and not Rheem or
York for that matter.
Installing a filter drier in that location lends itself to NOT removing any
moisture. [Too warm] It would in fact, become a oil strainer and may become
clogged to a condition that the tech wouldn't see [forgiving that fact that
high amperage draw on the compressor may suggest a clogged filter]. You
can't check it in that location.
So if the desiccant failed from high discharge temperatures, and, as a
result became clogged with thickened oil [from the higher compression
ratio's], you wouldn't know it until the compressor stalled or the internal
relief valve opened. Not a pretty picture if you asked me.
--
Zyp
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