Some are still reinstalling programs on there computer:(
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Some are still reinstalling programs on there computer:(
You could raise the head pressure to reduce the subcool at commissioning and note where the sight glass starts flashing. Assuming design conditions are at the same time approximated of course.
Then at each service visit do the same and note how much earlier in the subcool reduction curve the sight glass flashes.
I have attached the article as I sent it to the RAC Service Engineer Editor.
Thank you Lana :)
I have a method to find if a drier is blocked that has never failed to find one that is restricted even if there is no drop in temperature across the drier.
What you do is blow through it, if a resistance is noted then its blocked, if no significant resistance is observed it was ok till it was tested....
Jon :)
It's not my opinion :)
It's my proposition supported by argument and evidence - it is not my testament - it's truth lies completely and utterly outside and thus independent of my opinions.
Your position cannot be supported by any good reasoning - only by selfish motives.
You can't be serious :)
You have no say in what your beliefs are. So you cannot have any say in what your opinions are.
If you believe a certain colleague to be out on a certain site when the next second you see them in the office corridors you can't help but now believe they are not at that certain site. You cannot close your eyes telling yourself "No, no, I want to keep my belief that he is on site!".
So if you cannot choose what your beliefs are - if your beliefs change through no choice of your own then the only way for you to keep your beliefs would be to limit your exposure to argument and evidence that might change your beliefs.
So saying "I am entitled to my own opinion" can only mean you have a right to close your ears, eye's and the rest to the world. And you might indeed have that right but then you are forfeiting your right to comment on the world around you given that you are professing to be deliberately ignorant of it.
Invoking the said right implicitly pronounces or confesses ones own preference for ignorance.
Yes, quite serious. I i were to say it's cold outside in my opinion, I have no belief other than it's cold outside. If someone in the same room as me, from the North pole, were to counter that by saying it's quite mild outside in my opinion, then we are both expressing a personal point of view. Niether of us are correct or incorrect, and are not ignorant in any way. More to the point neither has breeched any Law. So my point stands, We are all entitled to our own opinion.
Has the Cat got your tongue Marc. I expected nonsense in response long before now. It's not a problem, the more silence you bring to this forum the better, in my opinion, cheers. Merry christmas.
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.
2K or not 2K? That is the question. :D
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 :D
Bravo... :D
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.
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.
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.:)
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."