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  1. Ok. Thank you for the quick replies. It looks...

    Ok. Thank you for the quick replies. It looks like maybe a no-go. I will study individual brands. I have used Mitsubishi, Daiken, and Klimaire. The quality seems to be there on all three.
  2. 2-zone mini split with only one evaporator

    For a mini-split install, with a 2 zone condensing untit, would I be able to install just one evaporator, then add the second evaporator at a later date? The first evaporator will be 9,000 BTU, the...
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    "They" aren't concerned about nitrogen, since...

    "They" aren't concerned about nitrogen, since their equipment goes together with flares. The suction connection at the condensor would have to be made after the brazing is done. I miss having a...
  4. Cooling adjoining rooms with one mini-split head

    I have installed a few mini-splits. In each case it was a simple one head per room situation. I am planning an install, new construction, in which I would like to avoid using two wall mount heads. I...
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    I have successfully used flare driers for many...

    I have successfully used flare driers for many years. In the corrosive atmosphere on the Gulf Coast, I decided the heat of brazing contributed to the short life of driers installed outdoors. I also...
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    That is Beyond Trippy stuff.

    That is Beyond Trippy stuff.
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    That is Beyond Trippy Stuff.

    That is Beyond Trippy Stuff.
  8. Replies
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    Thanks, BBeerme -- I know I can find the stuff. I...

    Thanks, BBeerme -- I know I can find the stuff. I want to decide if it's good enough to invest in it, and -- thanks again -- the pitfalls. No substitute for experience.

    I'm curious about the...
  9. Accurate high pressure reading for sub-cool

    Here is what I want: I want to be able to get an accurate high pressure reading on 410A systems. I feel like there is a lot of room for error with the standard manifolds. Can you really detect 2...
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    I have searched for "flourescent dye/UV...

    I have searched for "flourescent dye/UV detection" in these forums using any and all applicable words. It seems like there is no such thing. Tired of looking. So I would like to get some discussion...
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    Old oil in the lineset doesn't bother me anymore....

    Old oil in the lineset doesn't bother me anymore. Converting an existing evaporator coil to 410-A bothers me, with oil that can be trapped. I have been replacing coils rather than try to blow the oil...
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    You are so right, hurtinhvac. I didn't mention...

    You are so right, hurtinhvac. I didn't mention voltage. I did mention polarity and grounding. The voltage check occurred simultaneously with the polarity check and grounding check. I detected no...
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    All those things were addressed in the beginning....

    All those things were addressed in the beginning. Continuity. Cleanliness. Voltage. Polarity. Clean rod. I even added a second ground wire.
    The tech people said the potential to the sensor rod...
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    I have checked everything. I am convinced the...

    I have checked everything. I am convinced the power supply is ok. I tested the board on the bench -- I get the same 39 volts. I believe something in the furnace killed the original board, and it also...
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    I am in communication with him. I am not shy...

    I am in communication with him. I am not shy about asking for help. These guys are sharp. I posted here to see if I get that one little bit of info that makes it all fall into place. And to learn...
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    The continuity and integrity of the sensor...

    The continuity and integrity of the sensor circuit have been checked several times. The path is good. The fact remains that the juice is not coming out of the board.
    The tech guy said there are no...
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    Rheem gas furnace control board problem

    RGPS-10EBRJR
    Spark ignitor
    Mfg. 7/13

    I installed this Rheem furnace about a year and a half ago. It was manufactured 7/13. The flame sensor circuit apparently failed. The burners burned for...
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    OK, kdean1. HEIL it is. I appreciate your...

    OK, kdean1. HEIL it is. I appreciate your guidance. Saved me a bunch of time.
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    The guys at the Carrier store didn't find...

    The guys at the Carrier store didn't find anything. Carrier owns ICP, I see. I couldn't figure out the ICP website. I'll go back with that Model FEM and see what happens. So many brands. Yeah, I'm a...
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    1.5 tons

    1.5 tons
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    I need a 14.5" wide air handler

    I am replacing a gas furnace with an electric air handler, and re-locating it. The available space is the prime factor in how it is accomplished. The easiest and best plan is to use an air handler...
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    By popular request?

    By popular request?
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    One-ton split system

    At one time there were some one-ton split systems on the market. Then they were gone. Is there anything like that available now? Not talking about ductless mini-splits.
  24. My primary purpose was to determine what kind of...

    My primary purpose was to determine what kind of results the HVAC people see in the real world, in the field. I checked the link. Looks like Carrier thinks highly of it -- who would have thought?
  25. Carrier condensing units with anti-corrosion coating.

    Carrier once produced a line of CU's with a coil coating designed to resist corrosion. It was Weather-Guard or something. I am inquiring if they still offer it, if anyone has experience with it...
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    I'm tired of faking it about which product is...

    I'm tired of faking it about which product is best. I have begun to tell my clients that one is as bad as the next.
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    Chances are, you are using the right approach. I...

    Chances are, you are using the right approach. I have rarely seen the numbers all line up perfectly by the book. And that's only with a fresh new system.
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    It is important to me -- this is a priority for...

    It is important to me -- this is a priority for me -- in every charging situation, to determine if liquid is returning to the compressor. Many times, that over-rides all the other calculations. At...
  29. Horizontal gas furnace -- Slab coil or A-coil?

    I have an HVAC service business in South Texas. I will be installing a gas furnace horizontally in an attic. A modern multi-position Rheem gas furnace with a cased coil will work just fine. I want to...
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    The Linear Inch relates to the surface area of...

    The Linear Inch relates to the surface area of the inner wall of the tubing. One inch of 3/8 tubing, slit longitudinally and flattened, will measure .7854 sqare inches. So one inch of tubing, at 400...
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    OK. First, I'm not convinced that pounds per...

    OK. First, I'm not convinced that pounds per square inch is the right parameter for a round cylinder such as one inch of 3/8 tubing. Second, one linear inch of one-inch round tubing under 400 psi is...
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    Say what?

    Craig1 -- You lost me, dude.
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    Experience counts. You guys feel like this is a...

    Experience counts. You guys feel like this is a concensus everywhere? If your experience and that of your peers tells you that there are more imprtant things to worry about, then I won't get too...
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    Using old tubing with new 410a equipment

    What are the results of using old tubing from an R-22 system that is being converted to 410A? I have been able to use new tubing until now, where it is very impractical. Supposedly you can flush the...
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