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Type: Posts; User: cartercrew

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  1. Replies
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    Poll: Numbers game

    As I'm sure you have already heard, a lot of things affect SEER ratings and the actual "delivered efficiency". At the end of the discussion the only thing that really matters is how long will it take...
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    436

    Rated at 13, may be as high as 14 or as low as 8...

    Rated at 13, may be as high as 14 or as low as 8 depending on the blower it is attached to. AC systems are just that, systems. They are more than just the condensing unit or air handler.
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    Ac system may be too large, not running long...

    Ac system may be too large, not running long enough. Or fan speed may be too high, not removing enough moisture while running. Or refrigerant charge may be off, again affecting moisture removal. ...
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    Unless you have some crazy ordinance that says...

    Unless you have some crazy ordinance that says you cant put it on the ground, put it on the ground, with a slab at least 2" larger that the unit in all directions. Don't run the slab up against the...
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    Unless you have an EPA certification to handle...

    Unless you have an EPA certification to handle refrigerant and "do this stuff" daily, I would advise against engineering your own system. Contact a reputable service company in your area that can...
  6. Step 1: Ask each contractor about Manual J heat...

    Step 1: Ask each contractor about Manual J heat gain calculations. Any that say "you don't need that, is all bs any way..." tell them thank you and have a nice day. Knowing how large (or small)...
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    As someone who also lives in a hot/humid...

    As someone who also lives in a hot/humid environment (Charleston, SC) I can say with certainty that humidity sucks!

    I have a 3300 sf house that I have installed 2 2 ton systems in and a whole...
  8. With a quick search I was able to locate the...

    With a quick search I was able to locate the attached pdf that shows the control board in your air handler's lowest setting is for a 2 ton system. Also listed are the other settings and their...
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    984

    I was also thinking that any heat put into the...

    I was also thinking that any heat put into the water and not the house balances with the electric heat in the unit. I mean electric heat is electric, right? If the desuperheater takes enough out of...
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    984

    Haven't actually done it, but was thinking the...

    Haven't actually done it, but was thinking the same thing about winter operation. I don't see why a relay couldn't be installed by the contractor installing the recovery unit, wire it to only run...
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    Not sure of the calculations that you are trying...

    Not sure of the calculations that you are trying to get to, but a constant in a math problem is constant. What does C/W represent?
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    Replacing a duct board trunk with metal pipe, if...

    Replacing a duct board trunk with metal pipe, if all other factors are equal, will get better air flow through the duct. Keep in mind though that the air handler only moves so much air. If you make...
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    As for the root of the question, I would try to...

    As for the root of the question, I would try to isolate the conditions that are most likely to cause the noise, then schedule a service visit during that time.

    Turn on the indoor blower and let...
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    1,111

    True of today's coils, but not coils from the...

    True of today's coils, but not coils from the past. Since we have no idea of the age or model number of the existing coil, I'm guessing not rated for 300#.
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    DOE minimum at that time was 10 SEER, not 8.5. ...

    DOE minimum at that time was 10 SEER, not 8.5.

    Ruud was making 13 SEER systems at that time, I had one.

    Just because a system is 15 - 17 years old does not mean it is "due for replacement"! ...
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    1,111

    You need a coil that is heat pump rated and large...

    You need a coil that is heat pump rated and large enough for the condensing unit that you are trying to use.

    Pressure rating is the main difference between hp and ac coils. Higher SEER heat...
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    After seeing the second pic, disregard the first...

    After seeing the second pic, disregard the first part of the previous answer, either location would work. I still recommend asking the installer though.
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    Leave the air handlers in the pantry, and add...

    Leave the air handlers in the pantry, and add pantry space in the garage. Placing the air handlers in the garage could introduce auto exhaust fumes and chemicals into the house.

    With the air...
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    Kitra, there are many things we do because they...

    Kitra, there are many things we do because they are considered "best practice". Nitrogen purge is one of those things. Does that mean that a system put in without performing that practice will...
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    Broken return spring on a 10 year old Honeywell...

    Broken return spring on a 10 year old Honeywell damper is not a cause for alarm, replace the motor when you have the $$.

    As for the failed one you have now, since the motor is removed the damper...
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    If the system is in and running, pay the bill....

    If the system is in and running, pay the bill.
    Worst case, you will have issues later that can be corrected.
    Is there a labor warranty with the new system?

    I, and many others, strongly agree,...
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    Staying on topic, the system you have put...

    Staying on topic, the system you have put together is not a rated heat pump system and will not work efficiently or effectively in both the heating and the cooling modes. It can be made to work...
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    Abandoned chimney is ok, I would probably...

    Abandoned chimney is ok, I would probably recommend a permanent cap on the chimney as well, just in case someone tries to use it later.
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    This one turned out to be dirty sensors. Didn't...

    This one turned out to be dirty sensors. Didn't realize that the metal separates form the plastic on both the water level sensor and ice thickness sensor. You have to get all of the pieces apart...
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    Scotsman Prodigy codes

    A customer's ice machine is acting out again. Prodigy series air cooled unit mounted on a soda dispenser/ice bin. The last two errors are code 2, max harvest and code 8, short freeze. The tech...
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