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Thread: Filter drier

  1. #41
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    Installed as close to the metering device to capture any debris that is from install or from west and tear. Also rust protection, replaced 4 just this past month with filter driers leaking due to rust.

  2. #42
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    If the old system was r22 and had MO/AB oil and maybe had a slow burnout, then crap is everywhere in the system, like , in the LL, the evap coil, & the suction line. Then the new comp has POE, then the POE scrubs and cleans the 65' or 15" LL and ALL of that crap in the LL get introduced to the metering device. So tell me again ,where should the new C-303-HH or C-163-HH LLFD get installed? And the new SLFD catches the crap from the evap and SL. So, tell me again ,who does not use a SLFD? And the reason for NOT USING a SLFD? Oh the job was a "quoted price" job ,oh I see.

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  4. #43
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    Yes Coolwhip. Installing outside by the condenser is asking for them to rust and leak. In Florida sprinklers always seem to be by condenser. Water filter drier every day. With today’s refrigerant prices a leaking drier relocated to inside is a pricy job I’d rather install them in attic or garage and not have to face customer with a leak. Reclaim water is used as well here High in chlorine I’ve seen 4 year old driers rotted out

  5. #44
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    Quote Originally Posted by I know a little View Post
    Yes Coolwhip. Installing outside by the condenser is asking for them to rust and leak. In Florida sprinklers always seem to be by condenser. Water filter drier every day. With today’s refrigerant prices a leaking drier relocated to inside is a pricy job I’d rather install them in attic or garage and not have to face customer with a leak. Reclaim water is used as well here High in chlorine I’ve seen 4 year old driers rotted out
    So you’d rather go into that 140* attic to change it?

    If you paint them they won’t rust!

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  7. #45
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    Just needs a little paint.
    "Is this before or after you fired the parts cannon at it?" - senior tech
    I'm tired of these mediocre "semi flammable" refrigerants. If we're going to do it let's do it right.
    Unless we change direction we are likely to end up where we are going.
    "It's not new, it's better than new!" Maru.

  8. #46
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    Quote Originally Posted by R600a View Post
    Just needs a little paint.
    That’s what 7 - 10 years!

    Even in my salt air environment.

    BTW. Where’s the oil?

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  10. #47
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    He prefers latex 😃

  11. #48
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    Quote Originally Posted by pecmsg View Post
    That’s what 7 - 10 years!

    Even in my salt air environment.

    BTW. Where’s the oil?
    It wasn't leaking. It was 95% restricted. I expect it was well over 20 years old.
    "Is this before or after you fired the parts cannon at it?" - senior tech
    I'm tired of these mediocre "semi flammable" refrigerants. If we're going to do it let's do it right.
    Unless we change direction we are likely to end up where we are going.
    "It's not new, it's better than new!" Maru.

  12. #49
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    You sure it wasn't 94% 🤔

  13. #50
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    Quote Originally Posted by VTP99 View Post
    You sure it wasn't 94%
    Yep I measured with my puffometer I could tell it was 95% by how far my cheeks puffed out when I attempted to blow through it.
    "Is this before or after you fired the parts cannon at it?" - senior tech
    I'm tired of these mediocre "semi flammable" refrigerants. If we're going to do it let's do it right.
    Unless we change direction we are likely to end up where we are going.
    "It's not new, it's better than new!" Maru.

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  15. #51
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    Yes I’d rather go up in attic. Better than facing a customer with a big bill when you know there was a better way You better have some good paint to deal with the chlorine in reclaimed water. Replaced a rusted out muffler on a six year old unit today that was sprayed with reclaim from sprinkler. I’ll post a pic when I figure out how
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  16. #52
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    All right I guess I do know how. Drier was up in garage on this one Nice and clean

  17. #53
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    I have seen homeowners paint some kind of tar or undercoating on them and it seems to work but what a mess

  18. #54
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    Quote Originally Posted by hvacrmedic View Post
    A small pressure drop in the LL doesn't affect performance. Systems using POE oil REQUIRE a filter drier.
    so how comes that mini splits do not require one

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  20. #55
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    Quote Originally Posted by gustavhorna View Post
    so how comes that mini splits do not require one
    One job of the filter drier is to protect the X-Valve from debris. With minis the valve is located in the outdoor unit.

  21. #56
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    Also typically mini's are SAE connections so no brazing = no contamination 😉

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  23. #57
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    Quote Originally Posted by VTP99 View Post
    Also typically mini's are SAE connections so no brazing = no contamination
    Minis only get installed in a perfect world of course.
    "Is this before or after you fired the parts cannon at it?" - senior tech
    I'm tired of these mediocre "semi flammable" refrigerants. If we're going to do it let's do it right.
    Unless we change direction we are likely to end up where we are going.
    "It's not new, it's better than new!" Maru.

  24. #58
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    Yes by perfect tech's of course 😃

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  26. #59
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    Quote Originally Posted by gustavhorna View Post
    so how comes that mini splits do not require one
    Planned obsolescence.

  27. #60
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    Quote Originally Posted by pecmsg View Post
    One job of the filter drier is to protect the X-Valve from debris. With minis the valve is located in the outdoor unit.
    he was saying POE oil REQUIRES filter drier.... not what other functions it also has

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