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Type: Posts; User: MrMcGoo

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  1. Replies
    11
    Views
    1,737

    You want to dehumidify the fresh air befor it...

    You want to dehumidify the fresh air befor it enters the system. If this does not happen, your AC will have to work harder. Wet air holds more btus of heat than dry air.

    Bill
  2. Thread: Workers Comp

    by MrMcGoo
    Replies
    27
    Views
    1,842

    Get retrained by workmen's comp for a new...

    Get retrained by workmen's comp for a new occupation that requires no lifting etc. The last thing you want to do is finish ruining your back. The only thing worse than a ruined back is cancer pain,...
  3. Thread: Asbestos/Fired

    by MrMcGoo
    Replies
    69
    Views
    3,748

    CO

    You used a torch in a confined space to make 250 welds and you wonder what happened. Carbon monoxide, other welding gasses plus assorted bugs in the tunnels are what happened. Asbestos takes decades...
  4. Close the accounts of the crooked financial...

    Close the accounts of the crooked financial institutions. They got in trouble due to their own bad business practices, so now it's time to rip off their customers.

    If you do not close the...
  5. Replies
    10
    Views
    1,594

    The Trane XL16i sure gets a bad rap on this...

    The Trane XL16i sure gets a bad rap on this board. It will work better in some applications that others, but a well thougt out system can work very well. The first stage is very quiet and has an EER...
  6. Replies
    17
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    1,275

    jode, It sounds like a drunken peddler paid on...

    jode,

    It sounds like a drunken peddler paid on commission came to your home. One of my three quotes came from such a fellow. He worked for a big box store.

    The 20* delta-T is good news so look...
  7. Replies
    45
    Views
    4,712

    I'd report these to the consumer product safety...

    I'd report these to the consumer product safety folks.

    A few years ago, capacitors made in China would spontaneously burst into flames on audio amplifiers. It seems that someone in Japan sold only...
  8. Consider getting the condenser outside of the...

    Consider getting the condenser outside of the drip line from the roof of the home. Ice from the roof can damage condensers.

    Bill
  9. Replies
    15
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    1,558

    Nick, A heat pump can be over sized up to 25%...

    Nick,

    A heat pump can be over sized up to 25% over the cooling load to give better heat in the winter. A load calculation by room is still important to get the ducting right as well as to size the...
  10. Replies
    75
    Views
    25,231

    What BaldLoonie said plus: Get the ten year...

    What BaldLoonie said plus: Get the ten year warranty with labor and refrigerant included. (It costs more up front.) Keep any filter clean so that equipment lasts longer and costs less to operate.
    ...
  11. Replies
    19
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    1,938

    It sounds like your AC is fine, but your house...

    It sounds like your AC is fine, but your house needs energy conservation improvements. You can add attick insulation, shade, radiant barriers and fix air leaks.

    When current equipment wears out...
  12. The Trane XL16i 3T heat pump has an EER of 13.99...

    The Trane XL16i 3T heat pump has an EER of 13.99 in first stage and 12.3 in second stage. The first stage numbers are the reason that I bought the 16i.

    This thread is very old, so don't expect the...
  13. Replies
    14
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    1,342

    A little bit of excess capacity seems reasonable...

    A little bit of excess capacity seems reasonable to me, but when there is too much short cycling, it will get too expensive for most folks.

    In some climates, it's a mistake to not build a...
  14. Replies
    7
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    725

    It helps in the summer, but not as much as it...

    It helps in the summer, but not as much as it used to help. The newer designs are not as sun sensitive. The coils on my system are shaded by louvers to increase efficiency and improve appearance....
  15. Replies
    14
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    1,342

    Design specifications should be discussed before...

    Design specifications should be discussed before any system is installed. It is common to design a system to hold 78*F in high heat. If a system is sized to hold 72*F, but is actually set to 78*F to...
  16. Thread: Ants?

    by MrMcGoo
    Replies
    180
    Views
    12,047

    I had the same problem, but the tech changed out...

    I had the same problem, but the tech changed out the contactor from a 30 amp model to a 40 amp closed model. I never had that problem again. That was the most effective service call I've ever had.
    ...
  17. Replies
    64
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    10,800

    Unfortunately, I've seen this with my own two...

    Unfortunately, I've seen this with my own two eyes, the lack of a micron gauge and the skill to use it. The HVAC company that installed my system has 65 employees and had to buy a micron gauge during...
  18. Replies
    64
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    10,800

    Silly me. I forgot 4, that manufacturers state...

    Silly me. I forgot 4, that manufacturers state that micron gauges be used during evacuation on an R410A system. Some R22 installers do not even own a micron gauge.

    Bill
  19. Replies
    64
    Views
    10,800

    The no differences theory

    Differences:
    1. Unlike R22, there are no soldered joints allowed with R410A; joints MUST be brazed per the manufacturer's instructions. Hence, dry nitrogen should flow during brazing due to the...
  20. Replies
    64
    Views
    10,800

    Mike, The line set is the copper pipe that...

    Mike,

    The line set is the copper pipe that connects the outdoor unit to the evaporator inside. If you do not have an old A/C unit or heat pump, then the line set will be new.

    You have the ideas...
  21. Replies
    36
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    4,825

    Boiler, Your condenser may need a new...

    Boiler,

    Your condenser may need a new compressor, but....it should be under warranty. Get a tech that has the right gear and that does Trane warranty work before your warranty runs out.

    Bill
  22. Replies
    44
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    2,699

    This is all too true. For example, there was the...

    This is all too true. For example, there was the doctor that watered down the chemo for cancer patients, then there is the lawyer that is not prepared for trial but tries the case anyway. My...
  23. Replies
    44
    Views
    2,699

    I wish it was safe to watch a movie while they...

    I wish it was safe to watch a movie while they installed my new heat pump system. The cost was over 5 figures. This board educated me that it would be extremely unwise to trust the installers. Their...
  24. Replies
    10
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    1,276

    The C model revision on the Trane XL 19i was the...

    The C model revision on the Trane XL 19i was the communicating condenser revision. The B model revision was supposed to change the fan blade on the condenser, but there may have been other changes as...
  25. Replies
    10
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    1,276

    greg, It looks like this is a matched setup...

    greg,

    It looks like this is a matched setup from Trane. I found a listing for the earlier XL19i, the 2TWZ9030A1000A. The A model match has the following numbers:

    Total BTUH cooling 33,600...
  26. Replies
    15
    Views
    1,636

    How many hours per week will the A/C in your shop...

    How many hours per week will the A/C in your shop run? The mini-split may be much more efficient, but you may never recover the added price unless you have to run the unit a lot.

    Bill
  27. This is sound advice. However, rebates from...

    This is sound advice. However, rebates from manufacturers and utility companies can make a differece, especially on high-end systems. You can save on the utlity bills, but the original cost and...
  28. Replies
    12
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    824

    Some of the customers are used to getting a...

    Some of the customers are used to getting a "deal" and that is why they are with you. Be sure that the customer is getting value, but then bill for the hours. If the customer is not getting value, be...
  29. I just installed a system that has a Clean...

    I just installed a system that has a Clean Effects in it. Before I made the decision to go ahead, I made the decision to clean it regularly, not every 6 months. I use a HEPA filtered vacuum and it...
  30. There are differences in electric water heaters....

    There are differences in electric water heaters. The main differences are in the anodes used to protect the tank from destruction from electolysis and in the insulation around the tank. There are...
  31. Your thermostat seems to be the correct one, but...

    Your thermostat seems to be the correct one, but it needs to be wired correctly at both the air handler and consenser. Then the tech needs to go into setup and tell the stat what is connected.

    Bill
  32. If the American Heritage 16 is the same as the...

    If the American Heritage 16 is the same as the Trane XL16i, and I think that it is, then your setup is 3 heat, and 2 cool. Two stages of heat are from the heat pump and one stage from the heat strips...
  33. I just had the same unit with the Trane name...

    I just had the same unit with the Trane name installed. The wiring is somewhat complex, since it has a two stage compressor. The first fellow got two wires crossed. The troubleshooter came out and...
  34. Replies
    9
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    1,365

    Major model chages at American Standard and Trane

    All R410A based models at American Standard and Trane shifted from the A series to the B series this year.

    Carrier was the first major manufacturer into R410A, the other majors are working to...
  35. Replies
    219
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    15,863

    I think that there COULD be a good business in...

    I think that there COULD be a good business in installing equipment purchased by the home owner on a per hour basis of time actually worked. BUT there would have to be a carefully written contract to...
  36. Replies
    18
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    1,609

    Things an entrepreneur needs to know

    First, 80% to 90% of new businesses fail for a wide range of reasons. Lack of capital is a major reason, but there are many others.

    Second, you must be able to write invoices, pay all bills, keep...
  37. None of this situation is unusual for Tucson. It...

    None of this situation is unusual for Tucson. It gets to 115*F at times. I would design for at least 105*F based on having lived in Tucson for many years.

    The roof needs to be treated with the...
  38. Replies
    303
    Views
    27,869

    I had a Trane 16i installed this last week. It's...

    I had a Trane 16i installed this last week. It's running a Tstat 802 from Trane to get the full Trane rebate. We had some "issues" during installation, but it seems to have come out ok so far.

    I...
  39. Replies
    18
    Views
    8,598

    I had an XL16i heat pump installed over the last...

    I had an XL16i heat pump installed over the last week. I've had very little time to evaluate it, but it is very quiet on the lower compressor speed. The higher speed is louder, but only from the...
  40. Replies
    29
    Views
    3,096

    I may ask for a written extended warranty for...

    I may ask for a written extended warranty for free, since I asked them in writing in advance of installation to use nitrogen during brazing.

    Bill
  41. Replies
    29
    Views
    3,096

    Thanks for the sound advice. If the manufacturer...

    Thanks for the sound advice. If the manufacturer were to advise a triple purge with nitrogen, would it be advisable to change the dryer in a few months? It may be filled with crud and less able to...
  42. Replies
    29
    Views
    3,096

    Progress report

    The installers agreed to not use the fused disconnect by the condenser, and to keep the breaker panel disconnect and run the 6 awg copper wire into it. I sprang for the required upgrade to the...
  43. Replies
    29
    Views
    3,096

    The new system is R410A. I agree that nitrogen is...

    The new system is R410A. I agree that nitrogen is inexpensive insurance.

    The rain entered the air output area.

    Next corner cut- outside is a pair of 40 amp fuses, yes fuses not a breaker. In...
  44. Replies
    29
    Views
    3,096

    Proper technique to braze new line set.

    The installers are doing the install on a Trane XL16i matched system today. They have an acetylene torch that uses oxygen from the atmosphere, not a second tank. Such a torch probably produces less...
  45. Replies
    38
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    2,360

    Coefficient of performance is simple up to a...

    Coefficient of performance is simple up to a point. If your COP is 4 (4 to 1), you put one kw into the condenser and out comes the equivalent of 4 kw of heat pumped into your air handler. This is a...
  46. Replies
    19
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    1,900

    beenthere, I was not there when he purged the...

    beenthere,

    I was not there when he purged the system, but the bottle was upright until he added refrigerant during the time that I was there. I understand that binary refrigerants will frationate...
  47. Replies
    19
    Views
    1,900

    beenthere, Thanks, I'll sleep better tonight....

    beenthere,

    Thanks, I'll sleep better tonight.

    I have a friend that has more compressors than I can readily count. A freezer in his store went out for the 4th time in the last few months with...
  48. Replies
    19
    Views
    1,900

    The salesman says that they use "silver solder"...

    The salesman says that they use "silver solder" with their oxy-actetylene torch??? Then he says that the triple purge with dry nitrogen is not needed with an R410A system, POE oil notwithstanding.
    ...
  49. Replies
    19
    Views
    1,900

    Thanks to all of the contributors- again!

    I have emailed the salesman that I expect that they will install the heat pump per the Trane installer manuals. Brazed, not soldered joints on the new line set, nitrogen purge and triple evacuation...
  50. Replies
    19
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    1,900

    We have a big, hairy dog with a good disposition....

    We have a big, hairy dog with a good disposition. I suspect he can find something to contribute.;) We were going to take him to the groomer for the day, but it looks like he'll go to the park instead...
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