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  1. Replies
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    May need to increase the defrost timer on the...

    May need to increase the defrost timer on the defrost board to 60-90 minutes. My brand closes the defrost stat at 37 degrees coil temp which I feel is high, especially timing out after 30 minutes. I...
  2. Replies
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    Once the furnace tripped on pressure the trap...

    Once the furnace tripped on pressure the trap would fill up even if the tech didn't prime it. I expect that you will find more faults later.
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    The compressor pulls lock rotor continuous? If...

    The compressor pulls lock rotor continuous?
    If the noise sound like a jack hammer (loud and pulsing) it's the reversing valve getting stuck somewhere in the middle.
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    The compressor turning of should be really easy...

    The compressor turning of should be really easy to determine by sound but compressor amps is a dead give away. It's probably related to the reversing valve moving slow the delay should solve it....
  5. So your air handler would be in the basement and...

    So your air handler would be in the basement and up thru the closet?
    If only one system for the whole house then one supply duct should only be needed 9" the largest in most cases and then in the...
  6. Replies
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    :censored::beat::deadhorse:

    :censored::beat::deadhorse:
  7. Replies
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    Air flow should be set as I posted (currently at...

    Air flow should be set as I posted (currently at 1200 cfm you need 1400) and the dual fuel board is incorrectly wired. I can't see all connections but at least the Yellow wire at the bottom of the...
  8. Replies
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    The line would be hotter (liquid) it would be...

    The line would be hotter (liquid) it would be hard to condense the refrigerant
  9. Replies
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    Everything looks better but your sub-cool looks...

    Everything looks better but your sub-cool looks low. Removing charge should have decreased sub-cool in stead increase this doesn't add up. I have found 13 16 degrees sub-cool. Did the tech tell you...
  10. Replies
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    It's a good match but air flow dip switches...

    It's a good match but air flow dip switches should be checked for air flow and the contractor should down load tech data for proper charge comparison
  11. Replies
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    Probably refrigerant charge and wrong indoor...

    Probably refrigerant charge and wrong indoor coil. Post the info I asked for
  12. Replies
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    Goodman does not sell to any online distributor,...

    Goodman does not sell to any online distributor, Period. do a goggle you can but other brands online. This discussion is old just search this site. Some of these guys are contractors. Lawyers milk...
  13. Replies
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    Please post your indoor coil model and serail...

    Please post your indoor coil model and serail number along with the outside model and indoor furnace model. What you have posted sound like a heat pump.
  14. #2 is close but what is the rest of the return...

    #2 is close but what is the rest of the return look like, is the duct in the outside was insulated? The loss in the duct is still the same even if a better blower. I would recommend zoning. Load...
  15. Replies
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    I would think condensate build up, improper...

    I would think condensate build up, improper draining or pitch of the PVC on the exhaust side
  16. Replies
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    7,206

    No harm no foul: defrost typically runs about 5...

    No harm no foul: defrost typically runs about 5 minutes the heat pump in defrost soaks up most of the heat.

    One more suggestion: due to the cost of propane a colder setting as low as 6 degrees out...
  17. Replies
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    34,087

    A ten year student of Jim's I wish I had enough...

    A ten year student of Jim's
    I wish I had enough money to make this offer. If the nay sayers took his class and found Jim to be wrong I would pay for their class, maybe when I win the Lotto.

    I...
  18. Replies
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    34,087

    Check your flue temp on high and low fire. With...

    Check your flue temp on high and low fire. With the same flue temp exiting and starting out with a hotter flame on high fire ............ where did the heat go.
  19. Replies
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    Did you get it fixed?:couch:

    Did you get it fixed?:couch:
  20. Replies
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    Probably, it's not suppose to rattle. No...

    Probably, it's not suppose to rattle. No guarantee, when I'm on the job the contractors have usually given up, this is something I would try, I could always easily remove the refrigerant. I would...
  21. Replies
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    So the liquid line rises as much as 8 feet to go...

    So the liquid line rises as much as 8 feet to go in between the floors and then back down. Probably flashing off the freon before it gets to the orifice. If the sub-cooling was forced to get to 13-16...
  22. Replies
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    Yes that the piston rattling, Is the sloshing in...

    Yes that the piston rattling, Is the sloshing in the liquid line. I'm sure there is with not much sub-cooling. Is the indoor section above or below the level of the condenser?
  23. Replies
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    Ok static pressure was taken correctly. You kept...

    Ok static pressure was taken correctly. You kept referring to it as an air handler but it's a furnace. Assuming this is a 4 or 5 ton drive and 80% furnace the air flow is good based upon my brand....
  24. Replies
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    What brand is this Skizot? Usually air handlers...

    What brand is this Skizot? Usually air handlers do not have a the ability to handle .8 static. Was the return static taken before or after the filter? What type of filter, pleated blue cheap throw...
  25. Replies
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    2,647

    Absolutely not, tell me why a restriction creates...

    Absolutely not, tell me why a restriction creates a lower suction pressure then. I don't know what brand it was but an 80 would have been around a 3.5 ton unit. A 23 would have been smaller and I...
  26. Replies
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    Sub-cool low super heat low= fixed orifice not...

    Sub-cool low super heat low= fixed orifice not seating or to large, if airflow has been verified by dip switches for variable speed furnace and/ or static pressure PSC motor but even variable speed...
  27. Replies
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    The bypass completely open will kill you a/c and...

    The bypass completely open will kill you a/c and cycle it often to keep the coil from freezing raising your bill
    . What kind of filter is in use?
    You need to add return to the other side of...
  28. Replies
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    A smaller piston will restrict the flow lower the...

    A smaller piston will restrict the flow lower the suction pressure, increasing superheat and increase head pressure. A larger piston will decrease head and increase suction decreasing superheat. You...
  29. Replies
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    Heat pump recover cost are different than A/C....

    Heat pump recover cost are different than A/C. The ratio of electric heat and heat pump operation can be as high as 4 to 1

    I can measure my stage usage, zone usage and much more when I get...
  30. Replies
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    I could really answer that it would be a guess. I...

    I could really answer that it would be a guess. I don't know how it's running to begin with
  31. Go to this website No links to other forumsand...

    Go to this website No links to other forumsand ask Bill how long it takes to reach EER. When you use pressure to demonstate EER you are way off that is compression ratio. EER is based upon watts used...
  32. Replies
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    Unfortunately it is probably the way the line set...

    Unfortunately it is probably the way the line set was attached inside the wall. Scroll compressor will vibrate the line sets. If you were to touch the copper lines outside you will feel it. A...
  33. Replies
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    This is different noise than the other HO's they...

    This is different noise than the other HO's they are referring to a noise in the heating mode. Your is (ac mode) probably related to an under charged system. Since your evaporator is above the...
  34. Replies
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    Your all welcome. Wondering where the people...

    Your all welcome. Wondering where the people without a profile live?
  35. Replies
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    High head pressure from your dirty filter...

    High head pressure from your dirty filter (assuming) could cause damage to the compressor. The indoor coil is probably dirty as well. If it is the reversing valve then the pressures would be off...
  36. Replies
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    First off the charge should be compared to the...

    First off the charge should be compared to the heat pump operating pressure chart off our website. http://www.goodmanmfg.com/Home/Products/HeatPumpSystems/tabid/216/Default.aspx pick you product then...
  37. Replies
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    It's installed on the hot gas line at the...

    It's installed on the hot gas line at the compressor. Scroll compressor create harmonic noise on the line sets. Looks similar to a drier.
  38. Replies
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    11,682

    You could have refrigerant migration during the...

    You could have refrigerant migration during the of cycle. How long is the copper line set and is the indoor section above the outdoor unit?
  39. Replies
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    11,682

    http://www.ahridirectory.org/ahriDirectory/pages/s...

    http://www.ahridirectory.org/ahriDirectory/pages/selectSearch.aspx

    Go to this website, click on heat pumps, put in you outdoor unit with the indoor of CA*F and all the capf matches will show...
  40. Replies
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    11,682

    CAPF4860D6BA 0710127666 This is the model/serial...

    CAPF4860D6BA 0710127666 This is the model/serial number for your indoor coil. Are you sure your B & A after the 6 is in that order. If so change the coil to a CAPF4961D6A. Out of curiosity leave the...
  41. Replies
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    Serial number for indoor coil is needed to or the...

    Serial number for indoor coil is needed to or the letter after the 6. Actually I want both. :)
  42. Replies
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    8 ton on 4400 probably yes over sized unless you...

    8 ton on 4400 probably yes over sized unless you have a lot of windows. But something to consider 1st stage is 70% so typically you will not go to second stage in the a/c mode, and then heating you...
  43. Replies
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    You need have them to change the indoor coil to a...

    You need have them to change the indoor coil to a CAPF4961D6A (which will fit in the same cabinet) and have them make sure the air flow selector switches are set correctly.

    The coil model...
  44. Thank You that's probably how I will do it also,...

    Thank You that's probably how I will do it also, but I do need accurate calculations. I can't figure out the expressions to post run time for different items monitored on the r1-r8 inputs. The...
  45. a0128958 Would you private email me about the...

    a0128958

    Would you private email me about the WEL humidity sensors you will be using? I have one now and I would like to know how you will handle the wet bulb with lookup tables.
  46. You inadvertently answered the question with the...

    You inadvertently answered the question with the can lights. I am pretty sure thats the metal pipe I was asking about. What data logging program are you using
  47. [QUOTE=a0128958;1596476]Here are images of...

    [QUOTE=a0128958;1596476]Here are images of installation of two WaterFurnace Envision Geothermal Heat Pumps - 5 and 3 ton units into the attic of a single story home in the Dallas area. This was a...
  48. Replies
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    How was the measurements? Typical probably

    How was the measurements? Typical probably
  49. Replies
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    My older variable Amana furnace has metal tabs...

    My older variable Amana furnace has metal tabs for changing speeds instead of the dip switches used today. I could do what you are saying but I would have to kill power to the furnace apply contacts...
  50. Replies
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    My older variable Amana furnace has metal tabs...

    My older variable Amana furnace has metal tabs for changing speeds instead of the dip switches used today. I could do what you are saying but I would have to kill power to the furnace apply contacts...
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