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  1. Replies
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    No.

    No.
  2. Replies
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    183

    I've seen mylar bubble duct wrap on the outside...

    I've seen mylar bubble duct wrap on the outside of duct.
  3. Replies
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    129

    Isuppose the water is at the drain. No real...

    Isuppose the water is at the drain.

    No real problem, but rust probably coming from AC coil metal tube support. Only seen them rusted away on 40 year old ACs. drain pan probably is non-metalic...
  4. Take the Trane rep to lunch and talk to them....

    Take the Trane rep to lunch and talk to them. Smoozing really helps.
    Carrier may offer new unit on dock. My Armstrong rep has even provided labor help to swap a bad unit, 75 miles from their store....
  5. Thread: Bags on Feet

    by timjimbob
    Replies
    17
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    779

    Oriental customers leave there shoes at the door....

    Oriental customers leave there shoes at the door. Don't really know why. I service plenty of them. I cannot figure why there never is a chair or stiool to take your shoes off. kinda like the...
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    591

    I had a First company that did the same. Had to...

    I had a First company that did the same. Had to put a thermocouple sensor inside control box and close covers to see the temperature. This is what was happening.

    Coil was extremely dirty and...
  7. Replies
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    327

    Before going through all this, does e heat engage...

    Before going through all this, does e heat engage if W1(electris heat contactor) is jumped to Red.?
  8. Replies
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    276

    White rodgers has a mobile app that details all...

    White rodgers has a mobile app that details all their defrost controls as well as gas furnace controls.
  9. Replies
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    370

    Most people are not affected by a lot of the...

    Most people are not affected by a lot of the substances used in AC's, but some people have little tolerance. There is a place in Dallas that can test your wife for weird enviromental reactions that...
  10. Next time, open panels up. You will see clumps...

    Next time, open panels up. You will see clumps of pollen-lint and grass clippings stuck between coil and hail shield.
  11. In this area, soapy water even sprayed from the...

    In this area, soapy water even sprayed from the outer side side does not rinse off the pollin and lint. Newer CUs use far less screws, I guess some engineers were listening.

    from an engineer...
  12. Cool is subjective. ACs blow cool air also. It...

    Cool is subjective. ACs blow cool air also. It must be warmer then the room it is heating to work.
  13. Jim, the ductpipe is unassembled. Installer must...

    Jim, the ductpipe is unassembled. Installer must straighten out the damaged-in-shipping seam before it is snapped together. Smaller sizes are particularly tough, then hauled up through the attic. ...
  14. Replies
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    751

    Rh is like power continuosly being supplied to...

    Rh is like power continuosly being supplied to the NEST "switches" circuits. Just like a car battery always has 12 volts supplying the headlight switch or horn switch.
  15. Air is warmer then room's 69 degrees, but cooler...

    Air is warmer then room's 69 degrees, but cooler then your skin's temperature (maybe 90 degrees).

    This is one of a heat pump complaint,but your are using third to a quarter the electricity to...
  16. cable guys like to step on ductwork. metal breaks...

    cable guys like to step on ductwork. metal breaks apart and crushes. metal is full of leaky joints. hard to vapor seal. Flex is much better if done right.
  17. Replies
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    427

    Our neighborhood. They are not responsible for...

    Our neighborhood. They are not responsible for the quality of electricity, even it is an electrocution issue. Can't believe they will charge for a power line surge protector.
  18. Thread: 5kw VS 10kw

    by timjimbob
    Replies
    15
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    745

    No different. Blower contributes heat also. ...

    No different. Blower contributes heat also.

    figure cost of extra 25 amp circuit, if already not there.
  19. Replies
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    193

    24" deep upflow furnace

    Any info on upflow gas furnaces that are less then 28" deep?
  20. Replies
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    518

    My point too

    My point too
  21. Replies
    11
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    518

    is this a heating type of humidifier?

    is this a heating type of humidifier?
  22. Replies
    10
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    460

    recheck flue sizing

    recheck flue sizing
  23. Two kinds of balance points to mention. One is...

    Two kinds of balance points to mention. One is when HP cannot keep up with heat loss in house. Second is when HP efficency is equal to straight resistance heat.

    Typically, a heat pump has an...
  24. Replies
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    934

    Found that alot of OEM boards require a rewire or...

    Found that alot of OEM boards require a rewire or readapt because of manufacture changes. If I have to redo for a board, I might as well use a universal board anyway. OEM board seem a little...
  25. Replies
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    504

    A typical single speed heat pump (US) typically...

    A typical single speed heat pump (US) typically uses the same energy consumption at any temperature, but delivers less heat as it gets colder outside. I am not familiar with Gree, but it may have a...
  26. Replies
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    2,578

    Mapp gas BTU's are down from years ago, torch rep...

    Mapp gas BTU's are down from years ago, torch rep told me.

    rigid makes a set up that does not require torches, it crimps the fittings
  27. new home- everything should be warranteed. You...

    new home- everything should be warranteed. You should not have to determine what to do, builder should. May be able to only arbitrate, not sue.

    Nails in tubing happens. Very hard to pinpoint....
  28. Replies
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    2,027

    The fact that the winding do not depend on...

    The fact that the winding do not depend on refrigerant to cool the windings is convincing enough.
  29. Replies
    51
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    2,027

    semihermetics do not care, at all, about high...

    semihermetics do not care, at all, about high superheats. They are used as air compressors in non refrigeration applications.

    The ability to open up one of these to find out what caused the...
  30. Replies
    51
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    2,027

    United told me they sell their brand...

    United told me they sell their brand "Continental", not True
  31. Forgot about the TXV, need to be HP rated. Most...

    Forgot about the TXV, need to be HP rated. Most flowrators already are.
  32. Replies
    51
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    2,027

    semihermetic are air cooled and capable of...

    semihermetic are air cooled and capable of running at high superheat , hermetic are not. Oil port too. They are also repairable.
  33. Very much overthinking this. Defrost board is in...

    Very much overthinking this. Defrost board is in Outside unit, not AHU. just wire ahu four wires. R, G, Com, and W. Need new stat and control wiring.

    Do think you ought to rethink R22 though, ...
  34. Very much overthinking this. Defrost board is in...

    Very much overthinking this. Defrost board is in Outside unit, not AHU. just wire ahu four wires. R, G, Com, and W. Need new stat and control wiring.

    Do think you ought to rethink R22 though, ...
  35. Replies
    51
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    2,027

    Everest is korean, right. Worked on them, the...

    Everest is korean, right. Worked on them, the tech help is great.

    Now days you see a residential setup clad in shiny stainless steel labeled with NSF sticker, pure residential.
  36. Replies
    51
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    2,027

    Semi hermetic or hermetic

    I am looking for atwo door freezer to replace a True T49F. This one has a coplamatic compressor.. I have been told the new freezers now have a pot compressor.

    I told the customer that we need the...
  37. Zoning will not allow some apartments to be...

    Zoning will not allow some apartments to be heated while other areas to be cooled.
  38. Replies
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    318

    I never undo screws on old stat, I cut wires...

    I never undo screws on old stat, I cut wires loose so I know exactly what color wire goes to terminal screws.
  39. Replies
    4
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    318

    my problem. Blues and green all look the same to...

    my problem. Blues and green all look the same to me. But there is a big difference when they are mixed up.
  40. Replies
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    1,440

    DC is direct current. Triac does not nessessary...

    DC is direct current. Triac does not nessessary mean direct current, as earlier stated. Elements are supplied by AC, I am pretty sure.
  41. Replies
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    625

    I have been doing these installs for years. ...

    I have been doing these installs for years. Temperature swing is unimportant. Manufacture published "run time" requirement of stat.
  42. Replies
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    708

    Just do what the official wants. sure, you can...

    Just do what the official wants. sure, you can argue, but they start nitpicking
  43. Replies
    31
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    1,440

    Why? DC.

    Why? DC.
  44. Replies
    11
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    625

    This is not enviromental AC. This isfor...

    This is not enviromental AC. This isfor equipment cooling. Many tons are mostly redundancy.
  45. Replies
    11
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    625

    Select a stat (need help)

    I am installing a new AC setup that is way over capacity. Manufacture stresses "minumum run time" to insure system longevity and performance.

    I am looking for a 2 stage stat that will hold...
  46. Replies
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    1,002

    I would like to know what was resolved. You are...

    I would like to know what was resolved. You are missing something. Gotta be stat. weak transformer woyuld not allow cooling when you jump r to o. be sure RV terminal on stat to common stat...
  47. 24/7 AC does not nessessary mean AC all the time,...

    24/7 AC does not nessessary mean AC all the time, in all eyes. They may mean that it is not a charge back for after hours use. Inquire to see if there is an override control you may need to operate.
  48. Replies
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    2,256

    I have flared alum tube with success. I even...

    I have flared alum tube with success. I even have used a compression fittings. Still holding.
  49. Replies
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    653

    We have found R410a is quite tolerant of mineral...

    We have found R410a is quite tolerant of mineral oil. We have line sets that are oversized and have riser traps. We do try to blow all the oil out, but I doubt the traps are cleared. we have had...
  50. Replies
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    665

    Learn how basic compressor circuit is wired. Cap...

    Learn how basic compressor circuit is wired. Cap and compressor, contactor and OFM. Add basic circuit of IFM. Add heat section. Next, control circuits.

    Don't be overwhelmed by a huge...
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