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Type: Posts; User: buford

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  1. Replies
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    1,018

    A proper pump down with a micron gauge would have...

    A proper pump down with a micron gauge would have picked up a leak if it was always there. A pressure test that loses 7 pound a day... with analog gauges and in a hurry, easy to miss.
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    Intertwined indoor coil or split in half? what...

    Intertwined indoor coil or split in half? what does the temp split show with both circuits on? A little more numbers and temps would get more help.
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    840

    I am thinking along your way it should operate,...

    I am thinking along your way it should operate, it would need some type of NO liquid line switch on each circuit to stage it that way i would think. What turns on the non louvered fan now?
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    Might want to put on a water meter on the make up...

    Might want to put on a water meter on the make up line, and then monitor that for any usage.
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    559

    Yep get the clean power first and then see how...

    Yep get the clean power first and then see how they last, worst case you will have it for the next choice.
  6. Replies
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    May be a code above the one that starts with 2,...

    May be a code above the one that starts with 2, but i have never even heard even a hint about it.
  7. Replies
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    712

    It is not that much of a secret code. :whistle:

    It is not that much of a secret code. :whistle:
  8. Replies
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    712

    Also if they are air cooled, i get the cond...

    Also if they are air cooled, i get the cond motors from johnstone as they are the same motors as OEM, cheaper, and no shipping, plus they keep 2 on the shelves for me. We also put on oversized rain...
  9. Replies
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    712

    I have 2 of those chillers and i use the master...

    I have 2 of those chillers and i use the master controller to scroll to each to check each slave as to pressures and temp drop thru heat exchanger. If i need to check a module that is off i just use...
  10. Cleaning the coil with Mfgs rec product to get...

    Cleaning the coil with Mfgs rec product to get rid of mfg oil should clear this up.
  11. Replies
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    1,159

    Co2 in a liquid form may show up with camera, as...

    Co2 in a liquid form may show up with camera, as long as the sheetrock takes the pressure.:eek2:
  12. Replies
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    Ultrasonic on that much of a leak, should be easy...

    Ultrasonic on that much of a leak, should be easy to find. Might be able to rent one?
  13. Replies
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    Leak is one thing, putting sealant in is going to...

    Leak is one thing, putting sealant in is going to cause issues long term. A standing pressure test with isolating the system at the service valves, will point to the direction of leaking component....
  14. i use a clean recovery bottle and pump in from...

    i use a clean recovery bottle and pump in from the liquid line what ever the bottle will take.You will have plenty of room to then pump down the out door side.:.02:
  15. Replies
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    316

    Sounds like the green slime syndrome, when you...

    Sounds like the green slime syndrome, when you had a leak and no low pressure switch. Replaced alot of those units, they used to give a credit for those but that is long over now.
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    X2 on the outside air, and or a built up econo....

    X2 on the outside air, and or a built up econo. And either a 2x4 return grill or 2 24x24 ones. all pizza joints i worked on were always in a negative pressure any way.
  17. Oversize coil ok, undersize not. Good luck

    Oversize coil ok, undersize not. Good luck
  18. Whatever is controlling SH is under feeding.:.02:

    Whatever is controlling SH is under feeding.:.02:
  19. Thread: Slime

    by buford
    Replies
    4
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    320

    Also a good filter, and putting in pan tabs made...

    Also a good filter, and putting in pan tabs made for this type of crud.
  20. Replies
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    836

    X2 Sounds like a vav system that is ramping up...

    X2 Sounds like a vav system that is ramping up out of setback/morning warmup.
  21. Replies
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    459

    Any previous TAB done? Might be a good place to...

    Any previous TAB done? Might be a good place to start if not.
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    373

    Sealtight flex.

    Sealtight flex.
  23. Replies
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    836

    Acoustic guy needs to be on the roof to pinpoint...

    Acoustic guy needs to be on the roof to pinpoint it.
  24. Did i miss that the comp is shot also? I would...

    Did i miss that the comp is shot also? I would get a second opinion, no reason the coil can not be repaired in most cases, comp maybe quit on low pressure cut out.
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    Sounds like a very bad choice of equip for the...

    Sounds like a very bad choice of equip for the environment. Constant maint on them is the best bet at this point. I would bet the maint before you took over was non existing. Seems like more and more...
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    Is your home owner association involved? Looks...

    Is your home owner association involved? Looks like a pile of stuff on the roof generating noise. I would also ask the people who live above you if they are feeling anything. If those are condensing...
  27. Yep get a diff co, the one you got is full of it.

    Yep get a diff co, the one you got is full of it.
  28. Thread: Paid mentoring

    by buford
    Replies
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    1,169

    Maybe a service mgrs type job?

    Maybe a service mgrs type job?
  29. Replies
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    And a lot of the old stuff was made better also,...

    And a lot of the old stuff was made better also, not like what seems to be disposable units made for sales techs.
  30. Seems like a lot of help for a DIY.

    Seems like a lot of help for a DIY.
  31. Did they at least open up the outdoor unit and...

    Did they at least open up the outdoor unit and attempt to find the issue?
  32. Most real techs would have informed the customer...

    Most real techs would have informed the customer of the correct ways to locate and repair leaks. If it was you that just decided to put that crap in a refer system , without any explanation of what...
  33. Snake oil, would never use.

    Snake oil, would never use.
  34. That is quite the overcharge.

    That is quite the overcharge.
  35. Good info Ice, along with accumulator properly...

    Good info Ice, along with accumulator properly sized, cch, maybe along with low ambient and possible pump down cycle.
  36. There is expected capacity loss, but you are also...

    There is expected capacity loss, but you are also increasing the btus. The worry should be on the total amount of charge, oil return, and all the necessary add on stuff to protect from slugging the...
  37. Replies
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    No 35 #s is a little much, maybe i did not see ,...

    No 35 #s is a little much, maybe i did not see , is there any temp drop across drier? And the same gauge used for both readings?
  38. I will bet the duct cleaner will find lots of...

    I will bet the duct cleaner will find lots of things to suck out. Those old systems would collect all that would fall thru the grates.
  39. Replies
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    The reason i mentioned it was to eliminate the...

    The reason i mentioned it was to eliminate the ducts as in high static or other restriction. You have worked on the refer side might be wise to make sure airflow is not causing this. considering the...
  40. Replies
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    Can you run the unit with the horz discharge and...

    Can you run the unit with the horz discharge and return side discharge open, may have to take econ out. This would take all the interior ductwork out of the equation. this should take 10 minutes or...
  41. The old octopus may have not had a big fan or no...

    The old octopus may have not had a big fan or no fan, as said above, it may be wise to get the ducts cleaned, it is probably way overdue.
  42. And also disconnect the power to the eac. Lots of...

    And also disconnect the power to the eac. Lots of dust could be a lot of things. I have a merv 8 filter as a prefilter and this works great.
  43. Driers are very cheap insurance, the rest of the...

    Driers are very cheap insurance, the rest of the issues sound like hackery, Good luck.
  44. Thread: O6d change out

    by buford
    Replies
    4
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    426

    We use chain fall, unistrut,and short chain thru...

    We use chain fall, unistrut,and short chain thru the pick plates on the replacement comp.
  45. Most if not all gauges have a zero adjustment...

    Most if not all gauges have a zero adjustment screw either on the back or in your pic, maybe under the plug just between the R-410 marks.
  46. Replies
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    At least they found the source of the nagging...

    At least they found the source of the nagging sewer gas smell.
  47. Usually just knocking on duct will tell if its...

    Usually just knocking on duct will tell if its lined. In a attic i would be wrapping foil faced around the outside. You also can drill a 7/8 hole and use a snap in grommet to seal.
  48. If you are going to spend money, get a heat loss...

    If you are going to spend money, get a heat loss calc done first. and then a quality duct work assessment. If the contractors you ask to do this have no clue on how to do this move onto another.
  49. Thread: Carrier30HXA

    by buford
    Replies
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    719

    Thats what it sounds like. Some of the main...

    Thats what it sounds like. Some of the main boards had a special battery in each to hold memory. If line volts dropped out with dead or very low battery's they would wipe the boards. If you do call...
  50. Maybe try a constant fan on during the day to...

    Maybe try a constant fan on during the day to help keep the air moving.
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