Marc O'Brian's artickle about 2K

[desA]

2K or not 2K? That is the question.

[monkey spanners]

2K or not 2K? That is the question.

Whether tis nobler in the field,
To measure inlet and outlet temperatures,
Or to take spanners against them,
And by opposing them, undo reluctant flares;
No more! replacements brazed, say we an end
The heart-ache of a thousand leaks
The F-gas is here to stay!
Devoutly to be wish'd. The drier to sieve;
To sieve, perchance to dry, ay there's the rub;
For in that sieve and dry what temp drops may come
When we have suffered blocked evaporator coils,
Must give us pause: there's the restriction
That makes calamity of long system life:
For who would bear the whips and scorns of customers,
The compressors wrong, the pressure switches continuity,
The pins of depressed schreader cores delay,
The insolence in the office, and the sporlans
The patient merit of unworthy tasks
When he himself might quit this job....

Jon

[desA]

Bravo...

[slingblade]

Whether tis nobler in the field,
To measure inlet and outlet temperatures,
Or to take spanners against them,
And by opposing them, undo reluctant flares;
No more! replacements brazed, say we an end
The heart-ache of a thousand leaks
The F-gas is here to stay!
Devoutly to be wish'd. The drier to sieve;
To sieve, perchance to dry, ay there's the rub;
For in that sieve and dry what temp drops may come
When we have suffered blocked evaporator coils,
Must give us pause: there's the restriction
That makes calamity of long system life:
For who would bear the whips and scorns of customers,
The compressors wrong, the pressure switches continuity,
The pins of depressed schreader cores delay,
The insolence in the office, and the sporlans
The patient merit of unworthy tasks
When he himself might quit this job....

Jon

LOL. Good one mate, i like it. However you commited a fallacy, i dont know which one, but the oracle will tell you when he decides your post is not worthy.

[slingblade]

You've committed the fallacy of high redefinition. You've slid from a discussion of contingent truths to necessary truths having changed the implied subject of facts out in the world, such as the temperature outside, to matters of taste such as do I like it when it is that temperature outside. This is also called the no true Scotsman fallacy - when we slip between synthetic and analytic statements.

Utter Sh!te, Cheers Mate. Just what i expected.

[install monkey]

any inline component will create a pressure drop. if the described system has a suspected blockage and no one bothered to fit gauge ports all over the system if it is working to its design criterea the drier should be sized correctly and as long as no muppet has worked on it-is anyone bothered that a slight resistance may be present in the drier but u cannot prove this-surely the customer aint gonna pay for u to pump it down,change it pressure test,vac and reinstate to then not notice a difference in performance.
sit tight and wait for the compressor failure.

[DTLarca]

Utter Sh!te, Cheers Mate. Just what i expected.

What I said was - your opinion that the prevailing climate is comfortable is not of the same type as your opinion that London is in England.

The first opinion is made true in coincidence with your thinking, so, your thinking so itself is all that is required to make it true and so you saying so is true only if it reflects what you think. But the second opinion, that London is in England, is not made true merely on account of your thinking and later your saying so - it's truth value is contingent upon the world out there entirely independent of your thinking. You could pass away making the first opinion a nonsense while the second's truth value would not have changed in the slightest.

With regard to opinions of the second type - you have no rights unless the word "right" is used in the sense that it is deemed by all to be a true opinion in which case any discussion on the matter would have to be brought to a full conclusion before you can earn this type of right making any appeal to it, before the conclusion of a discussion, an irrelevance regarding the truth value. An opinion's truth value can give you this right but no right of any sort can give any opinion a truth value. Only argument and evidence can give opinions of the second type any rights of ownership.

For instance, what right do you have to the opinions that what I said was "Utter Sh!te", in the epistemic sense? None, you have no right - because you cannot give any argument or evidence for it. It is probably nothing more than a matter of wishful thinking.

[Goober]

Have I said what a complete and utter load of sh1te this thread is? No? Well let me tell you this thread is a complete load of old sh1te.

[mikeref]

Have I said what a complete and utter load of sh1te this thread is? No? Well let me tell you this thread is a complete load of old sh1te.

That is one way of looking it. May i offer my view? Anytime i change a drier, i always date it with liquid paper pen so its there for years, with short comment on steelwork nearby, (clogged, metal, or comp.replaced 7/08 for example). Should i happen to be on that plant again at a later date, sometimes many years later and say, TX is history, i always check drier date and liquid indicator. Clocked up 3 years and discoloured as comment... Toss it and redate. no time wasted playing mind games or taking temperature readings. Add the drier cost to the bill and tell client its $ well spent for a clean system.DONE, now move on.. Mike.

[DTLarca]

Have I said what a complete and utter load of sh1te this thread is? No? Well let me tell you this thread is a complete load of old sh1te.

If you've never heard of the 2K rule of thumb (Many haven't) and don't think it anyway an interesting topic to muse over - then just ignore the thread.

Sight glasses seem to me to clear up after about 3K subcool. So if you measure 5K subcool leaving the condenser or receiver and yet still see some flashing in your sight-glass, located after the liquid line filter drier, then you would probably be right to arrange for a changing of the drier.

In other words - an alternative rule of thumb that would work would be "If the subcool drops by 2K or more through the filter drier, at full load, then the drier is either too small or is due for replacement."