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Type: Posts; User: rdh126

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  1. Replies
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    Thanks for explaining this, Mark. I'm confident...

    Thanks for explaining this, Mark. I'm confident in the dealer I chose to do the work, so I'm sure they will set up the air handler to provide the airflow needed and suitable for my ductwork....
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    Thanks Mark -- I appreciate your responses to the...

    Thanks Mark -- I appreciate your responses to the questions I've had re: Trane systems in this thread and my previous one. I don't doubt your first-hand experience with these systems, but below is a...
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    Thanks for the response. It is hard to dispute...

    Thanks for the response. It is hard to dispute that point of view, although I do wonder why Trane would introduce a new air handler that gives less control over the airflow settings for...
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    Trane TAM7 Dip Switches

    Trane's older 4TEE air handler had 4 dip switches to set the cooling and heating CFM/ton airflow setting independently. The newer TAM7 only has two dip switches to control "CFM/ton." For instance...
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    A Manual J was done this afternoon, and the...

    A Manual J was done this afternoon, and the results are as follows.

    Indoor Conditions: 70 db winter, 74 db summer
    Latent Load: ~3000 btuh
    Sensible Load: ~29,000 btuh
    Total Capacity @ 0.70 SHR:...
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    I will bring up the option of using the IAQ...

    I will bring up the option of using the IAQ thermostat with the 16i tomorrow. They initially offered the XL802, so I'm not sure if they have much experience with the IAQ, but I will discuss this with...
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    Thanks, Dave -- this was the information I was...

    Thanks, Dave -- this was the information I was looking for.

    Looking through previous threads on the XL16i, I noticed that the large concern was the inability to use the IAQ's ability to slow the...
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    Thank you for clarifying this -- I value your...

    Thank you for clarifying this -- I value your pros' experience with these systems in answering my specific questions.

    So, it seems like the 900 thermostat will control the XL20i to the set...
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    Then what is correct? Does the 900 wait until the...

    Then what is correct? Does the 900 wait until the space rises 2 degrees before it allows for more capacity, or as beenthere said does the thermostat recognize when more capacity is needed based on...
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    Okay -- I will bring this up with the company...

    Okay -- I will bring this up with the company tomorrow. If the 803 thermostat were used then, you're saying it would not control staging the same way, instead waiting for a 2 deg increase in...
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    motoguy128, From your posts, I saw that you...

    motoguy128,

    From your posts, I saw that you have an Infinity system with an unloading scroll that you are very pleased with. Part of my question is whether the 16i, having the same compressor,...
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    Thank you for explaining this in a bit more...

    Thank you for explaining this in a bit more detail. It makes sense that under most circumstances, stage 1 can handle the heat load, and by running long cycles it is dehumidifying and making the...
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    I agree with you, and this is why I wanted to...

    I agree with you, and this is why I wanted to confirm that this is in fact the way the Trane 2-stage systems operate -- both the 16i and the 20i. I have selected a contractor that I have full...
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    Thanks for confirming this. I assume the 2 deg...

    Thanks for confirming this. I assume the 2 deg differential applies to both the XL20i and the XL16i, right?

    I can understand why this would be the case for the 20i, but with the 16i, if the...
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    XL20i Compressor Staging

    Does the XL20i have to stop before switching between high and low stages? I assume the answer is yes because there are two compressors. If that is the case, what is the typical lag time between...
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    Thanks for the responses thus far. Good to know...

    Thanks for the responses thus far. Good to know that it does not seem like getting enough airflow for the heat will be an issue. I assume the 20 kw would be the worst case scenario should we ever...
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    Trane vs. Lennox & Duct Question

    Which of the following two systems would you recommend? I'm curious to hear of the benefits the Trane system would offer over the Lennox, since I am currently leaning toward the Lennox XP21.

    1....
  18. I am leaning toward the Lennox system, but can...

    I am leaning toward the Lennox system, but can anyone give their opinion of whether my ducts could handle the airflow needed for a 4 ton system with 20 kW backup heat? Both companies agreed the ducts...
  19. Thank you for your reply - the Lennox dealer...

    Thank you for your reply - the Lennox dealer spoke of the benefits of the iComfort system, particularly in its ability to control the humidity in the summer time. I believe he said it does slow the...
  20. Replacing Heat Pump - Question on Balancing

    Hi, I have been reading through a number posts here which have been very helpful to me in understanding what things to consider when replacing a system, but I still am having trouble deciding which...
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