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  1. Replies
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    Thank you sir I finally feel good about my new...

    Thank you sir
    I finally feel good about my new system.
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    Carrier Infinity Failure Code

    I had an new Carrier Infinity system installed recently, which you guys help me out immensely with when dealing with the subsequent ducting issues. I now have a failure code of " 102-Duct Cal: Total...
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    Just want to clear up one thing. The issue of...

    Just want to clear up one thing.

    The issue of flow is just when both zones need air at the same time. Then the upstairs have very little flow but the downstairs is still adequate in my opinion....
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    Downstairs, I have 7 6" ducts going to 4x12...

    Downstairs, I have 7 6" ducts going to 4x12 registers and 8 8" ducts downstairs going to 8x12 registers.
    Upstairs I have 3 8" ducts going to 8x12 registers and 1 8" duct split to 2 6" ducts going to...
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    Unused Zone Temps

    I have a 3.5 ton system with 2 zones. The upstairs FROG and a bathroom is the second zone. There are 2 returns in the system. A 16" downstairs and a 12" in the FROG. This zone is only used for out of...
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    To summarize Had 10 year old 3 ton...

    To summarize
    Had 10 year old 3 ton system for 2000 sq house with two rooms with 16' ceilings. Everything on 1st floor except FROG and bathroom. Had poor flow from registers on both floors...
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    Well..... They think it is because of the 3 ton...

    Well..... They think it is because of the 3 ton heat pump causing the fan coil not come up to speed. I hope so because this is getting old going on 3 weeks of AC work. Not every day though. They are...
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    Is that a Trunk/Duct issue or because the Heat...

    Is that a Trunk/Duct issue or because the Heat Pump is smaller the the Fan Coil?

    I am waiting on the next step from the HVAC company and just hoping it will all be over soon.
    Thanks again for...
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    Just read up on it in the install manual.. Max...

    Just read up on it in the install manual..
    Max tops out at 400 ton, EFF350 is 350 ton, EFF325 is 325 Ton and Comfort is varied based on temp and humidity. The other ones have no dehumidification...
  10. Replies
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    beenthere Under the cooling section I...

    beenthere
    Under the cooling section I have the following options. Max, EFF 350 , EFF 325 and comfort. I selected Max and got the following results which looked close to the comfort #'s.
    ...
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    Latest Techs called Carrier technical support....

    Latest

    Techs called Carrier technical support. Carrier said that if you have a 4 ton Fan Coil and a 3 ton Heat Pump that the Fan Coil will restrict itself to the 3 ton limit of the Heat Pump....
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    They have looked at everything multiple times but...

    They have looked at everything multiple times but who knows
    Is this the test you were referring to?

    Full system CFM 1050
    Static Pressure .42
    Blower RPM 854
    Min CFM 333

    Duct Assessment
    Zone...
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    I'm back yet again. Today they replaced the Trunk...

    I'm back yet again. Today they replaced the Trunk System or Plenum I guess you would call it. As previously stated it was a 16" round duct with 15 flex ducts coming off it. When it was removed I was...
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    I know that you were joking but 21'X12' bedroom...

    I know that you were joking but 21'X12' bedroom plus a bathroom and a 6' X 10' hallway. There are a total of 6 registers upstairs. There is a leak upstairs where they shoved a 6" duct into the 12"...
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    The return grills are 22" X 27".

    The return grills are 22" X 27".
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    I think that is correct as I can see it and from...

    I think that is correct as I can see it and from what I been told. They just replaced the old dampers with the new ones in the same positions.
    The return looks like 2 16" flex ducts routed to a...
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    Yes, I guess it was galvanized. I was under the...

    Yes, I guess it was galvanized. I was under the house and tried to push it and the tech told me it wasn't a simple flex line like I had thought. I feel that I should of seen some of this when I was...
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    Well the Super Tech came today and thinks he has...

    Well the Super Tech came today and thinks he has found the issues and has a plan. The comments here were spot on plus he found many installation errors. The 16" flex wasn't really a flex but a thin...
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    Yes, it is the only trunk. The only thing bigger...

    Yes, it is the only trunk. The only thing bigger that the 8" duct coming off it is the 12" going upstairs. The Tech stated that the upstairs duct shouldn't be configured the same way as the rest...
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    Would that be the same principle as closing every...

    Would that be the same principle as closing every register 3/4 of the way? That's what they did to bring up the pressure.
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    I also made a huge mistake when I guessed at the...

    I also made a huge mistake when I guessed at the length of the initial 16" duct. It is closer to 18' long. Sorry for the mistake.412531412541412551412561
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    412521 I'd guess that it may be 1' at best.

    412521

    I'd guess that it may be 1' at best.
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    I will try to get a decent picture in the am...

    I will try to get a decent picture in the am
    They are sending another Tech tomorrow to assess the situation.
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    I'm Back, Over the last 2 days I had a Carrier...

    I'm Back, Over the last 2 days I had a Carrier 25HNB36A003 and FE4ANF005t00 installed due to my lack of cooling and flow issues. They also installed all new Infinity controls,ex Dampeners, Control...
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    Yes, it is in the crawl space under the house...

    Yes, it is in the crawl space under the house directly below the first floor return. It has ample room and a light to see everything. I went under the house last week during a hot and humid day and...
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