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  1. Replies
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    The condensate trap is also vented on the wrong...

    The condensate trap is also vented on the wrong side

    paul
  2. What you are experiencing is quite normal. The...

    What you are experiencing is quite normal. The Desuperheater removes the heat of compression from the system. When the air conditioning is running, the water is relatively cool, lets say 70 deg. ...
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    You can certainly drain the tank. Just make sure...

    You can certainly drain the tank. Just make sure that the circuit breakers for the heaters are off. Before the next heating season, you will need to have a company come in and reconfigure your...
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    That is over a year ago. I understand that...

    That is over a year ago. I understand that improvements were already put into FHP units.

    paul
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    1. With the loss of the PPl discount, strip...

    1. With the loss of the PPl discount, strip heaters will be less expensive. The Hydrokinetix system has some efficiency loss, and since it is heated with resistance heaters, you will be less...
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    But it is normally the same element ! If the...

    But it is normally the same element ! If the stat does not have a unique indicator how would one know the difference ?

    paul
  7. Replies
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    You may want to consider ClimateMaster or...

    You may want to consider ClimateMaster or WaterFurnace for the brand. It looks like from the brochure that Bryant is a re-branded ClimateMaster unit, which is a good unit. Going to the OEM who make...
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    I would disagree with others concerning ice...

    I would disagree with others concerning ice storms. In over 25 years, I have never seen damage from an ice storm, unless it was so bad that it also significantly damaged other parts of the home as...
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    COP can certainly be 1.82. COP does not take...

    COP can certainly be 1.82. COP does not take defrost into account, but you will normally create more watts of heat than the watt input. Problem is you can not generate enough heat, so supplemental...
  10. Just a comment of clarification. As it gets...

    Just a comment of clarification. As it gets colder, below 40 deg, the heat pump does NOT get that inefficient. This is somewhat of a myth. Most heat pumps will generate heat quite efficiently into...
  11. Water quality is the bottom line on open loop...

    Water quality is the bottom line on open loop systems. Closed loops do not have these issues, but as said have a somewhat lower efficiency due to loop temperature variations.

    I have serviced...
  12. Replies
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    1,538

    The overall efficiency is not very different...

    The overall efficiency is not very different between the modes. First you need to look at the delta T. As pointed out, 16 in heating and 10 in cooling, you are doing 50% more work in heating in the...
  13. Thread: PTAC Questions

    by tecman
    Replies
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    716

    Find an electrician and have him install a...

    Find an electrician and have him install a buck-boost transformer of sufficient power rating. This can get you the 265 volts needed. It will cost you $$$ dollars.

    paul
  14. I have installed a number of ClimateMasters in...

    I have installed a number of ClimateMasters in the last 5 years and have never had a call or problem with coils. Tranquility is a great unit IMO.

    As to switching to a split ? You have a unitized...
  15. Replies
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    3,537

    I'm surprised that nobody commented on the fact...

    I'm surprised that nobody commented on the fact that there is no trap on the primary drain. Cold air going down that pipe as well.

    Paul
  16. 2800 sq-ft, 3 zones. Two zones are ClimateMaster...

    2800 sq-ft, 3 zones. Two zones are ClimateMaster ground source heat pumps, and the new addition has a Goodman 10 SEER air source.

    Paul
  17. Replies
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    3,782

    Since it is a 1 phase 220 volt circuit (as you...

    Since it is a 1 phase 220 volt circuit (as you noted), the current will be the same in either leg. That is the total current.

    paul
  18. Replies
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    At least they are labeled paul

    At least they are labeled

    paul
  19. Thread: Frost

    by tecman
    Replies
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    1,044

    Assuming you have a heat pump, if the outdoor...

    Assuming you have a heat pump, if the outdoor temperature is near 32, frost on the outside coil is normal. Make sure your filter is clean, and that you have no debris on the outside unit that couls...
  20. The short answer is yes. Wahet has a hugh heat...

    The short answer is yes. Wahet has a hugh heat capacity compared to air. However the long answer is that the cost of water will far exceed the savings in electricity.

    paul
  21. Actually to find the power used, you would also...

    Actually to find the power used, you would also need to know the power factor, Volts x Amps x P.F. = Actual power. For the motor PF will be a definite factor. You would need a true wattmeter to...
  22. Thread: new one on me

    by tecman
    Replies
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    3,873

    Is that flex gas line ? Paul

    Is that flex gas line ?

    Paul
  23. Replies
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    1. Geothermal systems generally are rated by EER...

    1. Geothermal systems generally are rated by EER or COP. Since the seasonal effects are much smaller, and depending on the system, may be none, the same ratings are not seasonally affected.

    2. ...
  24. Replies
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    COP is coefficient of performance. It is watts...

    COP is coefficient of performance. It is watts out (heat) divided by watts in. So if the COP is 2, then you will be getting 2 watts of heat for every watt of electricity, or in other words twice as...
  25. Replies
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    Either: 1. Something is wrong with the system...

    Either:

    1. Something is wrong with the system

    2. It is way undersized

    3. You are not getting the second stage

    Normally the heat pump should be able to handle to about 20 deg. Your...
  26. Replies
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    912

    I do not know what brand you have, but all of the...

    I do not know what brand you have, but all of the majors have a thermistor as a sensor and a jumper of switch to set the cutoff temp.

    No coupling material on the loop pipes ? Unless you have a...
  27. Replies
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    Just FYI, my own house, 3000 ft^2, I use about...

    Just FYI, my own house, 3000 ft^2, I use about 5-600 kw/month for heating in the coldest months.

    paul
  28. Replies
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    crash11: Your area is about 48 deg ground...

    crash11:

    Your area is about 48 deg ground temp, and at 7' deep you will see about 8-10 deg seasonal variation. So 38 deg cam be used as a base temperature for a horizontal loop, but the seasonal...
  29. Replies
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    I agree with this. The loss in a couple of...

    I agree with this. The loss in a couple of fittings will not make any measurable flow difference between two 600' loops. Measuring delta P at the inlet to the unit will give a pressure, that can be...
  30. Replies
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    I always install expansion tanks on closed loops....

    I always install expansion tanks on closed loops. It just keeps the loop pressure relatively constant. Otherwise we see here as much as 20-90 PSI swing seasonally. I use the Amtrol ST-5 which is...
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    Pressures rise in the winter and decrease during...

    Pressures rise in the winter and decrease during summer.

    paul
  32. Replies
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    geodean:' Your circuit lengths should be 600'....

    geodean:'

    Your circuit lengths should be 600'. The bore hole is 300', but the pipe length with u bend would be 600'

    paul
  33. Replies
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    Deep ground temps in your area are 50-52 degrees....

    Deep ground temps in your area are 50-52 degrees. If the loop is coupled to the ground properly, your return water should only be a couple of degrees below this point. I have done a few closed loop...
  34. Replies
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    I ran the numbers on the install, with the best...

    I ran the numbers on the install, with the best info given. With glycol and 2 x 300" holes, the total drop is 38 ft-head. One pump only gives 10 gem, below the 12 recommended. A two pump unit will...
  35. Replies
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    I think that this thread is getting a bit far...

    I think that this thread is getting a bit far from reality. Reverse return, extra elbows, etc. All of these items might add a psi or two, or a degree or two. This guy has a major problem. He...
  36. Replies
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    Your piping, as well as the overall scheme looks...

    Your piping, as well as the overall scheme looks okay. I have to agree with others that there is either a clog in one well line (unlikely) or the coupling to the ground in the well has been...
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    Single stage is fine if you have a storage...

    Single stage is fine if you have a storage (buffer)
    tank.

    paul
  38. Replies
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    I agree also. You should not have water that...

    I agree also. You should not have water that cold coming in. I did a system last year, same unit, with 3 x 225' wells, 1" pipe downhole. Single pump package. Lowest incoming water temp is around...
  39. Replies
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    The colder the heat sink, the more work needs to...

    The colder the heat sink, the more work needs to be done by the compressor, ie: higher pressures. That results in lower COPs.

    paul
  40. Replies
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    Don't be fooled by the "copper is a better...

    Don't be fooled by the "copper is a better conductor" argument. It turns out that the thermal resistance (how well heat can flow) of the ground is much, much lower than that of plastic. In other...
  41. Replies
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    Same p/n, should be the same compressor. paul

    Same p/n, should be the same compressor.

    paul
  42. Replies
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    8,773

    Goodman uses mainline, brand name compressors and...

    Goodman uses mainline, brand name compressors and other parts. If properly installed, the compressor should las just as long.

    paul
  43. Replies
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    I had two York heat pumps that I removed at 18...

    I had two York heat pumps that I removed at 18 years of age. Both were on the original compressors, and both still running when I replaced them with geothermals. One is still running (20+ years) in...
  44. Replies
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    They were from a ClimateMaster document of...

    They were from a ClimateMaster document of performance data.

    paul
  45. Replies
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    I had a similar system and did the same thing. I...

    I had a similar system and did the same thing. I would actually wait for the 30's before I enabled the heaters. If you heat the water in the tank, and then do days without using it, you will pay...
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    First of all, you should have the Geo unit...

    First of all, you should have the Geo unit feeding in to the drain of the storage tank and the out to the cold in on the storage tank. The hot out of the storage tank should go to the cold in on the...
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    3.1 MBTU will correspond to about 7.5 deg/hr for...

    3.1 MBTU will correspond to about 7.5 deg/hr for a 50 gallon tank. This assumes 100% run on high capacity.

    The heat could technically be considered waste heat, but it does detract somewhat from...
  48. Replies
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    The desuperheater relies on the heat of...

    The desuperheater relies on the heat of compression to work. 50 deg water gives you a pressure of around 150 PSI w/410. Not much compression, and not too much superheat in the refrigerant. In...
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    Don't be too upset. During the cooling season,...

    Don't be too upset. During the cooling season, if you have good water temps in the geo loop, 60 deg or so, the amount of superheat available for HW heating is near zero. In other words, the water...
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    After seeing the picture, you're fine. Since the...

    After seeing the picture, you're fine. Since the majority of the pressure drop is in the actual vertical loops, any small pressure drop difference from the main line to the bore hole is...
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