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  1. Replies
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    573

    It triggered the lockout twice. Both times with a...

    It triggered the lockout twice. Both times with a cold front with high winds.

    Today one of the techs said to just put a new gas valve on it along with a better cap. The cap that's on there is...
  2. Replies
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    573

    Windy= Furnace Lockout

    See below for more info but the question is this:

    Carrier 58STA
    Could a windy day cause a exhaust flue to backdraft and trip the PS thus killing the GV but not for long enough (5 mins) to pull a...
  3. Thread: Bad "Nest" stat

    by Daltex
    Replies
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    833

    Bad "Nest" stat

    I don't post on here much since the rules have changed but wanted to give some info that may help one of you techs that have been so helpful to me in the past.

    I had a condenser running without...
  4. Thread: bad capacitor?

    by Daltex
    Replies
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    1,013

    lol K- what a waste of your time- glad u removed...

    lol K- what a waste of your time- glad u removed my post telling the op that he needed to seek the help of a professional.

    tips reply is much better diy info- funny way to pick and chose the...
  5. As mentioned the Carrier Greenspeed is in the...

    As mentioned the Carrier Greenspeed is in the process of rolling out. Classes have already begun for techs.
    ...
  6. Thread: Hybrid Units

    by Daltex
    Replies
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    935

    As a frequent buyer of HVAC sytems I have to tell...

    As a frequent buyer of HVAC sytems I have to tell you that the hybrid I put in was new to me at the time but after researching alot- I gotta say it's been better then expected.

    Many many days in...
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    I would like to suggest that IF the condenser is...

    I would like to suggest that IF the condenser is 2 stage heat pump that only working on 2nd stage (if not strips or furnace) is not less efficient. Just lose the comfort factor of the 1st stage...
  8. You could also forget to turn off your stove and...

    You could also forget to turn off your stove and burn your house down but I think placing a tag on the gas shut off would remind most people to open it back up.

    Reason I do it this way is because...
  9. Your furnace is a 80% efficiency one vs. a high...

    Your furnace is a 80% efficiency one vs. a high effeciency one that the combustion air is piped to the furnace itself.

    Your installer is doing it right with the high low ducting. During the...
  10. Good info Rater- Thanks again

    Good info Rater- Thanks again
  11. Good job on sealing the envelope. Makes the...

    Good job on sealing the envelope. Makes the biggest difference if you are starting with a leaky house for sure.

    Regarding the new system- Don't discount the heat pump just because of the...
  12. Rater- Thanks for the input on the foam. ...

    Rater- Thanks for the input on the foam.

    Understand 100% what you are talking about and with the OP being in a hot/humid enviornment I can see this being a concern.

    One question- could you use...
  13. Energy Rater is right on but I would like to add...

    Energy Rater is right on but I would like to add one extra thought that has worked for me in this situation. The outside (attic side) of the boot is reaching the dew point so you might want to add a...
  14. Replies
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    Any time u have a situation like yours there is...

    Any time u have a situation like yours there is the possibility of unforseen obsticles occurring. The best advice I have is to start bidding out the patio demo and re-pour. Of course I'm assuming...
  15. Where ever greenville is- if you only have the...

    Where ever greenville is- if you only have the one unit @ 3 tons for 2800 sq' and 90+ degrees- I can't imagine a 15 yr old house being built tight enough to not gain more heat than the unit can...
  16. Replies
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    3,596

    I see what you are saying. Heating the pool...

    I see what you are saying. Heating the pool during the shoulder seasons where the pool is too cool to swim but you still need the AC for the home.

    I have an outdoor pool with a heater and l use...
  17. You are correct in the fact that some homes get...

    You are correct in the fact that some homes get colder at the same outdoor temps. You can design a system to work (within reason) any way you would like. A 2 stage compressor will allow you to have...
  18. agree with the above advice and add that the...

    agree with the above advice and add that the split temp of 27* on first floor is sounding high due to the low airflow across the 3M filter.

    Use the cheap filter but pleated one. The kind that cost...
  19. Replies
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    1,201

    Around 20 degrees colder than the indoor temp. is...

    Around 20 degrees colder than the indoor temp. is average but the higher the humidity the lower the differance may be. The higher the fan speed the lower the diff. may be. The placement of the...
  20. Regarding your indoor humidity @ 46% - that's...

    Regarding your indoor humidity @ 46% - that's great. I'm wondering if the mildew in your bathroom may be from improper install/sealing of the unit to the ceiling? Not sure.

    The t-valve is probably...
  21. Hey Hot, I know your frusterated but I can't...

    Hey Hot,

    I know your frusterated but I can't resist telling you what I think. I joined this forum a few years back with about as much HVAC knowledge as you. I needed to know alot about HVAC...
  22. Replies
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    18,245

    Udarrell knows his stuff but I would like to...

    Udarrell knows his stuff but I would like to clearify what I think he was saying regarding the duct temp. is that the outside of the vapor barrier that covers the insulation that covers the duct-...
  23. Regardless of where you live you can't have a...

    Regardless of where you live you can't have a swimming pool under your house. You have to insulate the equipment that is going to be below the dewpoint and wet insulation isn't that effecient.
    ...
  24. Replies
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    563

    The unit that is installed by the "best...

    The unit that is installed by the "best technician" will last the longest. Re read the above post attachment. Good luck~
  25. Replies
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    670

    I agree with Mark about the "fixed" condenser...

    I agree with Mark about the "fixed" condenser probably having a problem. Have the HVAC company come back out and take a look. Have him give you the subcooling and superheat numbers and post them back...
  26. Replies
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    788

    Don't scrap it yet. As previously stated, the...

    Don't scrap it yet. As previously stated, the ground loop is the major expense of your system. Find a geothermal tech to come look at it. I'd call each company asking if they install them. If so ask...
  27. Replies
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    3,211

    True if using a regular filter but I think he...

    True if using a regular filter but I think he would notice a difference by removing the 3M brick wall filter he has.
  28. Replies
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    3,211

    Throw away the 3m's. They are bad. Even when...

    Throw away the 3m's. They are bad. Even when brand new they stop to much air flow.

    Go buy a cheap pleated filter. The kind that is about ten bucks for a 3 pack at the big box stores.

    Going...
  29. Replies
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    1,790

    Follow up: Got the original guy to install the...

    Follow up: Got the original guy to install the new metal damper where the old one rusted out. Due to the size (29x8") it took him a quite a few hours to do.

    Question: He used refractory cement to...
  30. Replies
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    1,917

    Look up Cap and Trade and see if the powers that...

    Look up Cap and Trade and see if the powers that be aren't concerned with your personal energy usage. You can also look up CAFE standards for cars.

    I assume the easiest way would be to just...
  31. Replies
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    1,917

    "this might be carriers way of gaining knowlege...

    "this might be carriers way of gaining knowlege of your system to limit waranty claims."

    What I was trying to imply is that this might be the first step into the door of the company to black box...
  32. Replies
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    1,917

    I think the fear of someone gaining control of...

    I think the fear of someone gaining control of your home network is a laugh. If you don't know how to set up a network then don't join the millions of people who have joined the internet age. They...
  33. Replies
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    1,636

    May not be the motor that went bad. Could be a...

    May not be the motor that went bad. Could be a number of things. A good tech will have you back in comfort in no time.
  34. Replies
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    What's the purpose of the high/low makeup air...

    What's the purpose of the high/low makeup air setup? Is it just to keep the airflow in a more laminar flow?
  35. Replies
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    If you leave it on anything other than auto, you...

    If you leave it on anything other than auto, you are allowing the blower to run after the condenser shuts off. This will allow the condensation on the evap. coil to be re-evaporated which will raise...
  36. Replies
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    This is funny. Maybe just the day I've had but I...

    This is funny. Maybe just the day I've had but I think I hurt my abs laughing at it.
  37. Replies
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    7,781

    Skiz- One more thing to remember is that the...

    Skiz- One more thing to remember is that the units chart doesn't take into effect the variables that may affect the numbers such as dryers with a slight drop, bends in the line set, etc.

    As I...
  38. Replies
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    824

    It Can't Be Perfect (can it???)

    I have been riding along with a friend on calls and due to this site have had him brush up on his skills regarding refridgerant charging. He uses a Testo manifold and compaired to an analog guage,...
  39. Good to go with the tin plated coil. Did they...

    Good to go with the tin plated coil.

    Did they do a load calculation? I have the same approx. size north dallas house and it has 3 units but total only 7-1/2 tons and is oversized. It cycles when...
  40. Replies
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    9,134

    Regarding the windows- They can help alot but...

    Regarding the windows- They can help alot but closing blinds/drapes can minimize the solar gain though them so I'd just make sure they are fairly air tight and close the drapes when the sun is...
  41. Replies
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    First of all, you have the best of the best...

    First of all, you have the best of the best helping you with this. I'm just a homeowner.

    It seems that you are concerned with the subcooling when it's a fixed metering system. SH is low so it's...
  42. Replies
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    1,790

    Hearthman, sorry for the new name!! The first...

    Hearthman, sorry for the new name!!

    The first pro was for sure qualified and did perform a level II insp. Said all good but needed a damper replacement.

    He is the only certified on in my area...
  43. Replies
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    479

    Give us some specifics and we can take a guess. ...

    Give us some specifics and we can take a guess.

    What size is the furnace, condenser, evaporator coil or better yet make and model of each?

    Did he give you the readings from the system? Temps...
  44. Replies
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    1,560

    Remove pricing as it is against forum rules.

    Remove pricing as it is against forum rules.
  45. Replies
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    1,790

    Wood Chimney Cap?

    I have an unusual dimension chimney with an oversized opening compaired to what I've seen in others. It's a wood burner. 59 yrs. old. The damper rusted out so I've been looking for solutions.
    ...
  46. The deeper trap will stop this as stated above....

    The deeper trap will stop this as stated above. You can have a 12" trap and it would still drain. The pressure of the water pushing down the trap forces it back up the other side. Just can't have the...
  47. Replies
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    1,354

    Try posting a new thread because the subject of...

    Try posting a new thread because the subject of this one has changed. I bet there are some techs on here that have dealt with issues related to the blind.
  48. Replies
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    1,354

    Most things like this use a version of linux. Not...

    Most things like this use a version of linux. Not sure though but not MS for sure. You planning on hacking into it?
  49. Replies
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    [QUOTE=riderman;4202452] I see home owners all...

    I see home owners all the time with a bicycle pump with an attachment just pumping air into the suction service port. Some will dump a pinch or two of sand into the liquid line while the installer is...
  50. Replies
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    Wow, I didn't know that the first stage was over...

    Wow, I didn't know that the first stage was over 75 percent of second. I was assuming closer to 60. That could be the problem if the load calc. wasn't done or not done right.

    I haven't had a...
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