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  1. That basement has to be going negative and...

    That basement has to be going negative and pulling flue gases out of the WH draft hoods.
  2. Once you get down to lower 20s, most heat pumps...

    Once you get down to lower 20s, most heat pumps will run much of the time as cool as you keep it. Keep it 70 and it would be non stop with backup coming on occasionally.

    In the teens may well be...
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    Charging chart agrees with you. 30 out, 70 in you...

    Charging chart agrees with you. 30 out, 70 in you should be running about 280 head not 400. 50 subcool says so too.

    4 blinks is hard lockout, happens after 9 LPCO openings. Now this is a manual...
  4. Thread: Rheem coils

    by BaldLoonie
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    221

    It's usually lots of pinhole leaks. Not sure...

    It's usually lots of pinhole leaks. Not sure about repairing them. Then more would pop up. I've heard of class action suits with a couple of brands but not Rheem. Sure did cost us. Owner of heating...
  5. We probably would cover it or at least work with...

    We probably would cover it or at least work with you on the cost. Techs SHOULD check schraeders for leaks after taking their hoses off but many don't.
  6. Bosch sells (doesn't make) an inverter heat pump....

    Bosch sells (doesn't make) an inverter heat pump. It has an air handler like any. Uses a standard thermostat and logic to determine how hard to work. Seems like it heats down to -4 but can have...
  7. Cold weather minis, Mitsu's Hyper Heat, with some...

    Cold weather minis, Mitsu's Hyper Heat, with some baseboard electric or hot water in case of HP failure. Hard to humidify but if build the place tight you won't need to. A ducted system with a big...
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    Usually the main zone has to have separate B & O...

    Usually the main zone has to have separate B & O terminals to tell the panel if the system should be in heat or cool mode. Then as you said, the other stats had 3 wires and often didn't have a...
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    Instead of uninsulated metal pipe or uninsulated...

    Instead of uninsulated metal pipe or uninsulated flexible tubing, get a good R8 flex duct. I don't think you'll have condensation. Of course a cheapo fan may not be able to overcome 35' so an inline...
  10. Yea, I forgot there's some rocket scientists out...

    Yea, I forgot there's some rocket scientists out there that couldn't figure out low voltage wiring if they had to :(
    Like the one who wired this up upon installation.
  11. What's the inducer? ECM with the square motor or...

    What's the inducer? ECM with the square motor or 3 phase with the round motor? Probably the former unless it has been upgraded. That's a symptom of an inducer problem and you have to get a kit to...
  12. Stat says works on heat pump without backup so my...

    Stat says works on heat pump without backup so my guess is someone wired it for straight electric. My bet is needs the right stat. Won't take long for a tech to figure that one out.
  13. Only thing I'd disagree with your fine...

    Only thing I'd disagree with your fine explanation of the technologies is # of speeds in a constant torque motor. The X13 is 5 speed. But other models and brands have more. AS/Trane use the Genteq...
  14. The downflow variable speed blower model has no...

    The downflow variable speed blower model has no Y1 and Y2* but does have dehumidify on demand. Creative low voltage wiring could have that for Y1 to slow the blower and Y for high stage to get full...
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    A service call from a pro is peanuts compared to...

    A service call from a pro is peanuts compared to what you are spending on the house.
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    513

    Guess I better specify, heat pump stat with...

    Guess I better specify, heat pump stat with backup capability. This neck of the woods, that's a must!
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    513

    Lotta low end stats aren't designed for a pump....

    Lotta low end stats aren't designed for a pump. Got one on my desk, Emerson 1F86-0244, our basic non programmable. Probably would be wise to switch to a HP model but that adds bucks.
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    Payne is bare bones Carrier, A/C made in Mexico....

    Payne is bare bones Carrier, A/C made in Mexico. Usually sold to anyone with green in their hand.

    What models York?

    What models Carrier? 2 stage A/Cs are pricey, surprised only 10% over York.
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    Sounds like you need a tech to diagnose exactly...

    Sounds like you need a tech to diagnose exactly what is going wrong. Beyond that, we can't assist with DIY work.
  20. This is about it. PTACs aren't very common in...

    This is about it. PTACs aren't very common in homes except New York "apartments" as they seem to call what we call condos.
  21. The Rheem is an inverter Copeland scroll running...

    The Rheem is an inverter Copeland scroll running as a 3 stage
    The Peformance is a standard 2 stage Copeland scroll
    The 18VS is an inverter Toshiba rotary running as a 5 stage

    3 different...
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    Some heat pumps will shut themselves off to avoid...

    Some heat pumps will shut themselves off to avoid tripping the low pressure switch. Many Rheems & Tranes do that. Not sure about the rest. Also if you have a timed defrost system, going into defrost...
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    They show the usual 24V inputs on the board BUT...

    They show the usual 24V inputs on the board BUT no W2. This is on a AMVC96 2 stage.
  24. I didn't Google Applied Comfort, was looking for...

    I didn't Google Applied Comfort, was looking for it on Daikin Applied's website.

    AC shows PRO1 wireless stat. I wired one of them for a customer couple years ago. Pretty slick.
  25. You can do anything to the vent in the summer....

    You can do anything to the vent in the summer. Just remember to remove in heating season.
  26. Aspen or ADP piston coils, cased or uncased. R E...

    Aspen or ADP piston coils, cased or uncased. R E Michel ADP coils come with R22 piston, can get R22 or R410a TXVs.
  27. Never heard of Ice Air. I thought Daikin got out...

    Never heard of Ice Air. I thought Daikin got out of PTACs but maybe not. Amana, which is a Daikin division, makes them but in the standard size and no hydronic.
  28. Is there an A coil in the air handler? If so,...

    Is there an A coil in the air handler? If so, take it out and put it in the discharge of the gas furnace. If it is a slab coil, probably have to go with a new coil.
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    If you aren't using a HP stat, that's the...

    If you aren't using a HP stat, that's the problem. It does not ask for the outdoor unit to come on for heat, only the backup. Have a tech put on the right stat and check the system over. It is rather...
  30. Probably hard to ballpark. Where are you?...

    Probably hard to ballpark.

    Where are you? Cost of LP per gallon, cost of juice per kwh?

    We did a lot when natural gas was high selling dual fuel. People did say gas went down noticeably and...
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    You'd need heat recovery VRF or in Daikin talk,...

    You'd need heat recovery VRF or in Daikin talk, VRV. Mitsubishis are 3 phase I was told when I asked a rep. I think some have single phase units. Not sure about the heat recovery models.
    ...
  32. Thread: BDP

    by BaldLoonie
    Replies
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    664

    https://www.supplyhouse.com/Carrier-HD56FL651-208-...

    https://www.supplyhouse.com/Carrier-HD56FL651-208-230-460V-Indoor-Fan-Motor-2-4-HP?gclid=Cj0KCQiAjfvwBRCkARIsAIqSWlNN8DV44bpdNXXIySdMX5mZl5yNO3YNNfpic6GN1QARAhHBGv2cA-8aAjIVEALw_wcB

    MOTOR 2.4 HP...
  33. You want around 1000 CFM for your 2.5 ton heat...

    You want around 1000 CFM for your 2.5 ton heat pump. If that's what it was set for, I'd expect that's what you are getting. Why is it noisy and the old one and the neighbor's TEM4 weren't? The...
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    Best bet is a panel that zones by # of zones...

    Best bet is a panel that zones by # of zones calling or % of zones calling. The old TZ4 and the current 432 both would do that. It keeps the furnace from timing to high with not enough zones calling...
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    What's the zone panel?

    What's the zone panel?
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    The Lennox is a Mexican made builder model. Will...

    The Lennox is a Mexican made builder model. Will do the job but on the low end of things. The Trane is a nice American unit. AS/Trane evolve from GE which was respected as one of the top heat pumps...
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    Sounds like he needs a heat recovery VRF system.

    Sounds like he needs a heat recovery VRF system.
  38. What brand of filter? I compared a 20x25x4...

    What brand of filter?

    I compared a 20x25x4 Aprilaire MERV13 and a 20x25x1 generic pleated MERV8 on our system. The Aprilaire was under 1/2 the airflow restriction of the 1". Even a plugged...
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    It's less acidic than Cola

    It's less acidic than Cola
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    I like the 2 Freethrow mentioned. Shop stock,...

    I like the 2 Freethrow mentioned. Shop stock, 9722 & 9723 for 42 frame that fits Lennox & Trane units.
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    Carrier is confusing things with their...

    Carrier is confusing things with their advertising

    It says: Variable-speed, constant torque ECM blower motor


    So, Carrier, which is it? Variable speed also known as constant CFM, or constant...
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    Technically you have Grandaire equipment. Same...

    Technically you have Grandaire equipment. Same thing as low end ICP (aka Tempstar) or Carrier. As has been said, the coil would be fine for your heat pump.
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    To save money on the changeout and keep the units...

    To save money on the changeout and keep the units from sticking another 1-2 feet on the roof, I like to quote customers something that will sit on the existing curb. York is good that they haven't...
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    These suckers, especially the multi head, are...

    These suckers, especially the multi head, are pretty complex. Having support is why we ended up 100% Mitsubishi. Before, we did some Sanyo & Fujitsu but when we needed help and couldn't get it from...
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    Personally I'd stick with Mitsubishi but Fujitsu...

    Personally I'd stick with Mitsubishi but Fujitsu is well respected. Further down the line are Daikin, LG, Samsung, Panasonic and it goes into the Chinese from there like Gree, Midea, Haier etc. and...
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    The Conquest 90 is a Rheem. We've sold 100s and...

    The Conquest 90 is a Rheem. We've sold 100s and 100s of that model without a single failure. Sis has a test furnace that is 26 years old and all I've done is a blower motor.

    There are safeties...
  47. 1. Modulating furnaces are amazing. They almost...

    1. Modulating furnaces are amazing. They almost perfectly follow the needs of the house with the proper control. Should get the same mfr's communicating control for best operation.

    2. Identical
    ...
  48. 14 6" flex runs are more like 1050 CFM depending...

    14 6" flex runs are more like 1050 CFM depending upon length and how pinched off.
  49. On a Carrier dropping 24v to the stat is typical...

    On a Carrier dropping 24v to the stat is typical when the overheat limit opens. So I'm with comfortdoc, if filter doesn't do it, call a good tech. That old boy is getting a little long in the tooth....
  50. Me smells horsehockey

    Me smells horsehockey
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