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Old 06-10-2011, 03:17 PM   #1
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Is this line filter drier backwards?


This black filter drier's direction arrow points down towards the furnace & a-coil. Yet it is hooked onto the warm uninsulated line... doesn't the refridgerant on that warm line travel away from the furnace to the outside condenser? Is this wrong but not something to worry about, right, or is it something to be concerned? My AC is working decently - just wanting to lean & understand.

thanks!
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Old 06-10-2011, 03:21 PM   #2
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Is this line filter drier backwards?


The direction is ok.

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Old 06-10-2011, 06:40 PM   #3
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Is this line filter drier backwards?


Your good, That is the discharge line that goes from your outdoor condensor to the inside evaporate coil.



see pic:

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Old 06-10-2011, 07:10 PM   #4
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Is this line filter drier backwards?


Thank you both for the responses and the diagram is very helpful! I looked the graphic for a minute but it still seems counterintuitive to me. I'm sure you're both right - I just need to think on it more!
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Old 06-10-2011, 10:39 PM   #5
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Is this line filter drier backwards?


thats the liquid line dryer feeding the evaporator coil and after the air passes over the fins the freon changes state and pressure into a suction gas back to the compressor..the liquid line comes off the bottom of the condenser into the house that expansion valve takes the liquid and meters it into the evap sextion like a garden hose does to water and with the pressure drop in the spray you get your refrigeration effect and 40F coil.the heat from the space is absorbed into the suction gas and travels back on that insulated line to the compressor to start the cycle again should always be cold on that insulated pipe and on the short pipe just into the furnace

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Old 06-11-2011, 06:59 AM   #6
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Is this line filter drier backwards?


Its not only installed with the arrow pointing the right way, its also installed in the correct location.
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Old 06-11-2011, 09:20 AM   #7
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Is this line filter drier backwards?


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Originally Posted by beenthere View Post
Its not only installed with the arrow pointing the right way, its also installed in the correct location.

I have seen filter driers being installed close by TXV valve at Evap coil and after/before the service valve ( Liquid Line ). Which one installation is more eficently?
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Old 06-11-2011, 09:42 AM   #8
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Is this line filter drier backwards?


If the evap is in a basement or other area that doesn't get too warm, that is where it belongs.

Installed at the service valve, it can release moisture when it becomes to hot.
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Old 06-11-2011, 09:48 AM   #9
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Is this line filter drier backwards?


As in the picture is best JJ. Catches anything in the entire liquid line before it gets into the txv.
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Old 06-11-2011, 09:59 AM   #10
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Is this line filter drier backwards?


I'll be the devils advocate. It gets hot inside the condensor where they are installed from the factory so heat is not a huge deal IMO. We install all of ours within a foot of the condensor with no problems. However if you are in Texas with 110 deg sun beatin down on it that can't be good or if it is on a hot black rooftop..

Max no difference to me and in the ole days who wanted to weld in the basement if they did not have too? Flare fittings and quick connectors were used on most coils. Nowadays there is welding to be done so I see them inside.
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Old 06-11-2011, 10:10 AM   #11
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Is this line filter drier backwards?


It is installed in the basement of a home in Illinois by prior owners who themselves did poorly at things they DIY but seemed to hire quality contractors. (or spend good money for things they contracted).

The discussion has really helped - I get it now as much as I need to for having good insight as a homeowner.
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Old 06-11-2011, 10:10 AM   #12
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Is this line filter drier backwards?


years ago didn't they wrap the suction and liquid together in the runout for some changing of the freons temps going each way...or was that i refrigeration applications only...anybody
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Old 06-11-2011, 10:35 AM   #13
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Is this line filter drier backwards?


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I'll be the devils advocate. It gets hot inside the condensor where they are installed from the factory so heat is not a huge deal IMO. We install all of ours within a foot of the condensor with no problems. However if you are in Texas with 110 deg sun beatin down on it that can't be good or if it is on a hot black rooftop..

Max no difference to me and in the ole days who wanted to weld in the basement if they did not have too? Flare fittings and quick connectors were used on most coils. Nowadays there is welding to be done so I see them inside.
Do you remember most manufacturers went to sending the LLFD separately for the installers to install when R410A first came out. That was so that it could be installed inside, or in the cooler location of the install to prevent the release of moisture from it getting too hot. unfortunately, they also discovered that some installers were not installing the LLFD then and were using it on other service calls later. So they went back to installing it inside the cabinet again, since a FD there is still better then n one at all.


FD's are rated to hold X amount of moisture at different temps. That is why location can matter in some areas, specially the areas that get above 50 in the summer Yuri.
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Old 06-11-2011, 10:37 AM   #14
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Is this line filter drier backwards?


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years ago didn't they wrap the suction and liquid together in the runout for some changing of the freons temps going each way...or was that i refrigeration applications only...anybody
Some mini splits did that, and I think one or 2 still do. Might have been one brand of A/C that did that. Sort of recall seeing it a couple times.
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Old 06-11-2011, 11:08 AM   #15
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Is this line filter drier backwards?


the sun on a raw liquid line on a black roof has to monkey with that liquid temp hitting that TXV i would insulate that even in a residential run out and or parallel it up within armaflex along that suction

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