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  1. Phila. Suburbs Recommendation for AC Maintenance Co.

    Can anyone recomend a company to do yearly maintenance work on our system (Carrier Infinity).

    I want a company that is knowledgeable on Carrier Infinity zoned systems (not a company that just says...
  2. Really? I thought the warranty was for the...

    Really? I thought the warranty was for the furnace and condenser units only.

    Cool. I'll check -- my equipment is only 2.5 years old.

    Will I lose my settings (such as set back schedules) if...
  3. Carrier Infinity Thermostat (Zoning) has Broken Button

    The little button on the upper left-hand side of my Carrier Infinity Thermostat (the zone button) is broken.

    I have this model Infinity Thermostat: SYSTXCCUIZ01
    ...
  4. So does that mean a fan powered unit can humidify...

    So does that mean a fan powered unit can humidify even when the furnace itself is not running?
  5. In the 20s. At night down to the teens.

    In the 20s. At night down to the teens.
  6. Which type of humidfier for Carrier Infinity -- bypass or fan powered?

    My humidity level has been at 25% during the cold spell we have had lately. So I'm considering a humidifer for my carrier infinity zoned system.

    Based on some airflow issues with the small...
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    The contractor is not being 100% truthful. They...

    The contractor is not being 100% truthful. They don't WANT you to access the advanced settings, because they think home-owners are idiots. But as a techno geek myself, I want to see all. I have a...
  8. I tried, but I believe that with carrier zoning,...

    I tried, but I believe that with carrier zoning, that runs the fan in every zone -- so I don't get much air in the small basement zone from just the fan.
  9. T-stat is infinity smart sensor (which is what...

    T-stat is infinity smart sensor (which is what carrier uses for zoning), which is connected to the main infinity thermostat in the dining room.

    It displays the temp in the room, but the humidity...
  10. Via the carrier zoning, I can set the airflow...

    Via the carrier zoning, I can set the airflow limits to help with that. I set it to medium (instead of the default of high) for the basement zone.

    Yes, the chairs are berklines.
  11. We have zoning in there now (the basement is all...

    We have zoning in there now (the basement is all one zone now, and the t-stat is in the theater room).

    But I still feel the air is too heavy/stagnant. Temp holds fine though. I just think it...
  12. So what would help with what feels like stagnate,...

    So what would help with what feels like stagnate, heavy air in that room (compared to other rooms on the same floor).

    In other words, although the temperature is held at the set point, the air...
  13. I'm having them come out next week to double the...

    I'm having them come out next week to double the size of the return grill that you see pictured on the first page in this thread.

    Should that help?
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    Well I have one zone for each floor, so it won't...

    Well I have one zone for each floor, so it won't help me there. But I do get some unevenness WITHIN zones. Maybe it will help with that?

    I also get some stuffiness in my theater room, because...
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    What does running fan in low 24/7 do?

    What is the reason for running the fan on low during the heating season?

    What is the benefit?

    Also, if you have 3 zones, do you need to set the fan on low for each zone individually -- or does...
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    From what I've seen, they do a decent job for a...

    From what I've seen, they do a decent job for a builder, when everything is set up to be similar. Which is probably what they prefer.

    They probably don't like dealing with homeowners directly...
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    Glad to hear that. The installer is an...

    Glad to hear that. The installer is an authorized Carrier dealer.
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    The builder hired the company that installed my...

    The builder hired the company that installed my system. Two stage was not one of the options for the a/c unit -- I did the highest level upgrade for HVAC that was on the options sheet. But if I...
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    Thanks. I'll have to see what happens in the...

    Thanks. I'll have to see what happens in the winter then. As the heat will likely be running more in the basement, than the other zones. At the "low" airflow setting in the basement, that might...
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    I knew not to listen to him when I saw the 24/48...

    I knew not to listen to him when I saw the 24/48 hours. I've known since I bought my house that it runs every 24 hours at 1:00 PM (and can't be changed on my version of the Infinity stat).

    It...
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    It does the duct assessment every 24 hours -- at...

    It does the duct assessment every 24 hours -- at 1:00 PM.

    I set the airflow to "low" for the basement -- as I want the theater room quiet. Main floor is max and bedrooms are on "high" (the...
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    Interestingly, I just did a test and set only the...

    Interestingly, I just did a test and set only the smallest zone (basement) to call for cooling. With this test, I found that the system opens the dampers (at least partially) for both of the other...
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    Static for the main zone alone is .75 So is...

    Static for the main zone alone is .75

    So is that bad? That's at 1750 CFM.

    I also set my zone airflow limits to max (from the default of "high") for the main zone. So that may help static...
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    Cooling is .2 or 2.x ? I never see it as low...

    Cooling is .2 or 2.x ? I never see it as low as .2 ?????
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    I know how to go to the advanced menu and look at...

    I know how to go to the advanced menu and look at all faults and warnings for the entire history of the sytem.

    I see nothing re: static pressure -- except when system was first brought on line 1.5...
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