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  1. Replies
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    I have seen it.

    I have seen it.
  2. Replies
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    why separate gauge sets ? I work with so many...

    why separate gauge sets ? I work with so many gasses I probably couldn't afford that many sets of Smans.
    That myth about mixing oils is just a myth.
    Some of the retrofit gasses will say add some...
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    557

    What I use.

    What I use.
  4. Replies
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    lol I was being silly. It really depends on the...

    lol I was being silly. It really depends on the conditions under which the factory does the testing. Real world results are often different. It could be a lower line volt coming in vs line volts in...
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    see my post above how to fix it.

    see my post above how to fix it.
  6. Replies
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    Run a separate 20 amp 230v circuit from the...

    Run a separate 20 amp 230v circuit from the breaker panel out to the unit. Put a 30 amp double pole contactor in the unit and wire it to the condenser fan. Pit a 240/24 volt control transformer in...
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    Home warranty companies suck. They have a hack in...

    Home warranty companies suck. They have a hack in every town that is their "approved service provider". If you work for one.....try getting paid. Good luck.
  8. Replies
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    2,403

    superheat? If there's heat in there the food...

    superheat? If there's heat in there the food ain't cold.
  9. Replies
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    lol I just went on a call where a previous...

    lol I just went on a call where a previous company tech opened the txv all the way. funny stuff.
  10. Replies
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    2,403

    is the suction line beer can cold at the...

    is the suction line beer can cold at the compressor inlet? Or is it well diggers ass frozen? I am trying to figure out if you have enough liquid Freon feeding the compressor.
  11. Replies
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    623

    I guess theoretically you could run a single 4"...

    I guess theoretically you could run a single 4" but it would have to have some type of flapper or damper to close off the other appliance automatically if it is not operated but not cause a pressure...
  12. Replies
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    254

    I have it running in units all over town. Also...

    I have it running in units all over town. Also two medium temp walk in coolers that were once R22. Very good results.

    I also have R424A running in my old R22 heat pump. Very good performance....
  13. Replies
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    1,903

    I guess an intermittent weak relay on the board...

    I guess an intermittent weak relay on the board would do it.
  14. That's what I am thinking. A good column of...

    That's what I am thinking. A good column of liquid is all that's needed without an overcharge.
  15. Replies
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    That's true.

    That's true.
  16. Replies
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    8,881

    In terms of real energy, how many kwh's...

    In terms of real energy, how many kwh's difference is there really between a properly functioning matched 13 seer vs 14 seer per given ton? I would bet it is marginal at best.
  17. Replies
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    2,146

    I think a question requiring a technician to...

    I think a question requiring a technician to explain simple phase change of the refrigerant in the loop. see how many really understand what goes on inside.
  18. Replies
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    2,146

    +1

    +1
  19. Replies
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    i had the same situation on an A.O. Smith 75...

    i had the same situation on an A.O. Smith 75 gallon power vent water heater. i replaced the controller and HSI. i checked gas pressure, voltage and evweything. sometimes it would just not ignite....
  20. Replies
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    430

    Turns out it is a 13 seer non inverter type....

    Turns out it is a 13 seer non inverter type. Probably a good thing on a cheap model. It went together well. No leaks. Install instructions said it was charged for 15 feet of line set which is what I...
  21. i run two heat pumps in my house. i have my...

    i run two heat pumps in my house. i have my strips disabled. it was 13 degrees outside a couple weeks ago. my house was 63F inside. good enough for me.
  22. I have some off name Chinese mini's running in...

    I have some off name Chinese mini's running in some cheapskate rental apts. They have worked well. Watch out for the Chinese flare fittings leaking. Other than that good results.
  23. I have had mixed observations from all the...

    I have had mixed observations from all the brands. Most of the problems I ever see with any minisplit is not usually refrigeration related but electronically related such as failed inverter and...
  24. Replies
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    Move the wires around until the suction line gets...

    Move the wires around until the suction line gets beer can cold. For heat....move them around again until the suction line is warm like mom's apple pie.
  25. I have installed a few different brands. If...

    I have installed a few different brands. If outdoor ambient gets below 10 degrees or so a lot of them will shutoff on low pressure etc "FF" code. They still need supplement heat.
    I find most average...
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    that's true

    that's true
  27. Replies
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    Put a big saddle valve on it and recover it into...

    Put a big saddle valve on it and recover it into a recovery tank. Lol. One of those piercing valves. Hold it against the tank til all recovered. Better yet take it out in the country and put it in a...
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    omg. Lmao that's exactly what I was thinking

    omg. Lmao that's exactly what I was thinking
  29. Replies
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    Would it be safe to say most domestic...

    Would it be safe to say most domestic refrigeration is "under charged" for the most part to prevent sweaty suction lines on the floor behind the fridge? The factory charge runs a high superheat on...
  30. Replies
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    We need micro hoses with little valves on the...

    We need micro hoses with little valves on the ends for this.
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    Run it on high when in doubt.....yeeee hawww

    Run it on high when in doubt.....yeeee hawww
  32. Replies
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    I will nitrogen leak test it and pull it down...

    I will nitrogen leak test it and pull it down using a micron gauge.
  33. Replies
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    He will expect me to fix it.

    He will expect me to fix it.
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    I hope this thing is not a POS. I will be getting...

    I hope this thing is not a POS. I will be getting the call backs.
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    same here. Duculators slide charts are great .

    same here. Duculators slide charts are great .
  36. Replies
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    I have some customers who are bad to not change...

    I have some customers who are bad to not change filters. A lot of times I insist we install a filter rack with a 6" thick pleated filter. The biggest one I can fit.
    This helps save their unit until...
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    that's a classic.

    that's a classic.
  38. Replies
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    Doubtless aire Minisplit

    A friend of mine purchased a Ductlessaire minisplit 24,000 heat pump from Amazon. I am doing the installation. It was delivered to my shop. Have any of you dealt with ductless aire?

    It looks...
  39. Replies
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    Subcooling I would think... full sightlass if it...

    Subcooling I would think... full sightlass if it has a receiver
  40. Replies
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    Hahaha

    Hahaha
  41. Replies
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    +1. There's a lot of variables. Duct location,...

    +1. There's a lot of variables. Duct location, run lengths, room sizes, heat loads, etc.
  42. Replies
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    Just remember.....if the suction line a is Not...

    Just remember.....if the suction line a is
    Not beer can cold you need to add more Freon. In heat mode it should be like mom's warm apple pie.

    If you smell gas, put more TFE on it. Lol
  43. Replies
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    We just installed a brand new 95% Bryant gas...

    We just installed a brand new 95% Bryant gas furnace for an elderly widow who has no money. At her advanced age and health problems, the banks would not loan her any money without her doing the deal...
  44. Replies
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    lol I should run the vent pipe into the discharge...

    lol I should run the vent pipe into the discharge plenum. "Vent free" lmao
  45. Replies
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    I see it all the time. Funny hearing them...

    I see it all the time. Funny hearing them complain about a small cut in their benefits. Nasty apartments. Bunch of dogs and cats. Stink.
  46. Did he ever say if the the suction line was...

    Did he ever say if the the suction line was sweating? Beer can cold.
  47. Replies
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    I have an excellent condition GMPN120-5. Looks...

    I have an excellent condition GMPN120-5. Looks like someone has put a new HX, blower motor, B18 board, gas valve and inducer. We installed a GMH95090 in place of it.

    Its sitting in my garage...
  48. my buddy has a country store where we run air...

    my buddy has a country store where we run air conditioner condensers for walk in medium temp. 28 degree suction. R22 substitute gas (R424A) and (R422B).

    i added liquid receivers and suction...
  49. overcharged or clogged/ stuck closed outdoor txv...

    overcharged or clogged/ stuck closed outdoor txv is my guess.
  50. I love the heat shield behind the control board

    I love the heat shield behind the control board
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