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  1. Replies
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    That will work.

    That will work.
  2. I did read some manufacturers state they want you...

    I did read some manufacturers state they want you to wait 24 hours or so to start the unit I figure to give the compressor oil time to boil off the liquid from storage. Who has time for that?
  3. Being that I am of all knowing wisdom, I open the...

    Being that I am of all knowing wisdom, I open the suction first.
  4. As long as you purge all the air out of the lines...

    As long as you purge all the air out of the lines and charge it beer can cold. It will work.
  5. Replies
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    I think I am going to make a 2 stage unit out of...

    I think I am going to make a 2 stage unit out of a single stage. I will run a neutral out to the unit and switch one of the main line legs to neutral and run it on 115v. It will run half as fast. A 4...
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    It was beer can cold. The suction line was...

    It was beer can cold. The suction line was sweating like a pig. Lol. I should have put some stop leak in it lol. Just in case.
  7. Replies
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    I have many timess on new units that have a small...

    I have many timess on new units that have a small oem drier in the condenser unit, added a 16 currently in drier externally. Superheat and subcooling come out fine I have never seen it a problem.
  8. Exactly how I would do it

    Exactly how I would do it
  9. Replies
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    Your exactly correct. I would probably walk. He...

    Your exactly correct. I would probably walk. He is going to get shafted.
  10. Replies
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    Vacuum cleaner advertising has a lot snake oil....

    Vacuum cleaner advertising has a lot snake oil.
    They appeal to people with no knowledge of electricity.
  11. Replies
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    4,724

    Those cheaply made Mars and Supco motors have...

    Those cheaply made Mars and Supco motors have caused us a lot of callbacks. Junk can fail in short order. You get to do the job again for free in no time. I try to stick with GE Genteq, original...
  12. Replies
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    Now that the dry ship units are essentially gone,...

    Now that the dry ship units are essentially gone, your going to see that. I had a rental owner have us install a 14 seer 410A unit on a 20 year old trane coil. The unit was a very well maintained. He...
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    5,015

    An old Copeland semi hemi

    An old Copeland semi hemi
  14. Replies
    101
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    5,015

    If the service valve caps are leaking, I use leak...

    If the service valve caps are leaking, I use leak lock. Great stuff
  15. Replies
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    My uncle'so new home has 10' ceilings, 3800...

    My uncle'so new home has 10' ceilings, 3800 square feet. 2 car garage. 5 tons. House is very comfortable with low utility bills.
  16. Replies
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    Clean your micron gauge sensor every job

    Clean your micron gauge sensor every job
  17. Replies
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    3,196

    Get a set of good core remover tools that are...

    Get a set of good core remover tools that are vacuum rated. Get a good micron gauge. Change your vacuum pump oil every job and sometimes a couple times on the same job if the microns quit coming down.
  18. Replies
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    I have a 1.5 ton in an apartment with a 7/8 x 3/8...

    I have a 1.5 ton in an apartment with a 7/8 x 3/8 running 10 feet. The condenser is below grade of the coil. I hope my pressure drop is not severe.lol
  19. Replies
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    5,015

    Look for the line set to have got rubbed or...

    Look for the line set to have got rubbed or chafed through masonry walls, distributor tubes that have rubbed each orher or the case. Cracks in the coil elbows. I have pumped up the system to 500 psi...
  20. Replies
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    3,196

    Manifolds suck for evac. Your never go back to a...

    Manifolds suck for evac. Your never go back to a manifold again and your customer will get a better job.
  21. Replies
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    Same here. I will put it up to 30 psig or so....

    Same here. I will put it up to 30 psig or so. Then put the cores in.
  22. Replies
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    Put an R22 txv on the indoor coil, charge it with...

    Put an R22 txv on the indoor coil, charge it with R22 or an R22 alternative. Install a 350 psi high pressure cutout, it will work fine at somewhat reduced capacity.
    From my understanding r410a...
  23. Screw it...put in minisplits.

    Screw it...put in minisplits.
  24. Why not insulate the outside of the duct and just...

    Why not insulate the outside of the duct and just have bare metal inside?
  25. I think some people should not be allowed central...

    I think some people should not be allowed central cooling or heating. They should only be allowed a window shaker from Walmart and baseboard heater. Stupid is as stupid does. This guy is too cheap...
  26. +1

    +1
  27. The black wire is hi, blue medium, red low. The...

    The black wire is hi, blue medium, red low. The little hamster jumps out of the cage and switches them real quick.
  28. I used red epoxy on an aluminium evaporator once....

    I used red epoxy on an aluminium evaporator once. Worked like a charm. Lol. Homeowner didn't want to change it. No warranty
  29. Replies
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    My asco air acetylene torch can destroy a nice...

    My asco air acetylene torch can destroy a nice piece of copper lol. Ask me how I know.
  30. One could just remove the equipment, give his...

    One could just remove the equipment, give his money back and tell him to get another contractor. That works too.
  31. Replies
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    A peltier module may be better

    A peltier module may be better
  32. Replies
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    Same here. You could butcher a small condenser...

    Same here. You could butcher a small condenser and evap coil from a small 5000 btu window ac. There's more to it than that but a start. Probably use a capillary tube for metering the refrigerant. You...
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    +1

    +1
  34. Replies
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    45

    45
  35. I hate those. I had so many one time, I was going...

    I hate those. I had so many one time, I was going to go into another career. Residential and even some commercial customers are just insane with their expectations of hvac. I could write a book. One...
  36. Replies
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    Fan cycle switch and if you want to get fancy, a...

    Fan cycle switch and if you want to get fancy, a headmaster valve. Fan cycling usually suffices.
  37. Replies
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    It lowers the superheat and boosts efficiency by...

    It lowers the superheat and boosts efficiency by fully supplying the coil, suction line and compressor with liquid. Just add a very large suction accumulator, it will be fine and beer can cold haha
  38. Replies
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    I paid extra for a 5/8 suction line on a 5 ton...

    I paid extra for a 5/8 suction line on a 5 ton package. Mineral oil flows well with the hfc
  39. That big pipe should be beer can cold and...

    That big pipe should be beer can cold and sweating like a liberal at a trump rally.
    I say you need to call a tech to add freon to it until it sweats. If it's a heatpump , in heat mode it should be...
  40. Any refrigeration system without a liquid...

    Any refrigeration system without a liquid receiver should not have a sight glass. You need to charge to correct superheat or subcool which ever applies. Never charge a fixed orfice unit to a clear...
  41. Replies
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    If it does not have a liquid receiver on it, it...

    If it does not have a liquid receiver on it, it should not have a sightglass. Never ever charge an ac system to "clear the sightglass" unless it has a liquid receiver on the liquid line which most do...
  42. Despite my best effort to do it right and to...

    Despite my best effort to do it right and to spec, never do a job for an engineer or home inspector. Way too much trouble even if its to code. These guys will run you to death.
  43. Just be sure to pull your recovery tank to 200...

    Just be sure to pull your recovery tank to 200 microns or lower. You can run the 410a through a drier between your recovery machine and the unit for extra moisture insurance.
  44. Well stated.

    Well stated.
  45. Over the years I have proven a lot of myths and...

    Over the years I have proven a lot of myths and old wives tales to be false with r410a. It's not the devil we thought. Poe oil is not that bad either. Pull a proper vacuum and install new driers. No...
  46. Bahaaaaaaa

    Bahaaaaaaa
  47. Replies
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    one thing about it...oil return should be no...

    one thing about it...oil return should be no problem. plenty of velocity in that line. It should be ok. One time I had a 1.5 ton heat pump install. evap was in the attic, condenser on the ground....
  48. you can put it back in fine. just make sure when...

    you can put it back in fine. just make sure when you charge it the big pipe is beer can cold. it should sweat like a pig in a hot barn. add more gas until the compressor shell starts to sweat.
  49. Be sure the boat's 6' grounding electrode is...

    Be sure the boat's 6' grounding electrode is completely driven into the bottom of the sea. If someone cut it off because their oxygen tank was running out or a shark got after them, it will trip the...
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    MO won't hurt poe anyway

    MO won't hurt poe anyway
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