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  1. Replies
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    I call it thinning the herd, same as what you...

    I call it thinning the herd, same as what you said. Sorry it isn't funny. If something where to happen it could be disastrous.
  2. Your application would require a makeup air unit....

    Your application would require a makeup air unit. These supply 72F air (adjustable) when on. Can be interlocked easily with your exhaust fan.
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    =Mr Bill;23229121]If everyone on this thread...

    =Mr Bill;23229121]If everyone on this thread would have donated $20 we could have just bought his customer a new condenser, and we wouldn't still be talking about this. :)
    JHow about two cent and...
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    Volt meter won't charge a cap but ohm meter will.

    Volt meter won't charge a cap but ohm meter will.
  5. Replies
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    2,090

    You look nothing like Buttwheat. Sent from...

    You look nothing like Buttwheat.


    Sent from my iPhone using Tapatalk
  6. Replies
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    1,978

    Correct me if I'm wrong but it looks like an...

    Correct me if I'm wrong but it looks like an abandoned ignition control also.
  7. Replies
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    How can any one help when you say pressures are...

    How can any one help when you say pressures are fine? All we have to go on are pressures and temperatures. What are these pressures and temperatures that are fine.
  8. Check condenser coil, may be dirty.

    Check condenser coil, may be dirty.
  9. Replies
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    1,590

    Panasonic ECO I compressor change out. Control...

    Panasonic ECO I compressor change out. Control panel has to come out to access compressor 2.
  10. Suction pressure is used to maintain 40 to 45...

    Suction pressure is used to maintain 40 to 45 evap during dehumidification. Does the unit have dehumidification?
  11. Ok so you have confirmed that they are mixing...

    Ok so you have confirmed that they are mixing valves so two things are left. Water chemistry and dif pressure across valve. As stated by Time builder your system characteristics should not have...
  12. Thread: Is it my TXV?

    by ckartson
    Replies
    49
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    2,467

    What does "the pink side mean?". I've heard, "...

    What does "the pink side mean?". I've heard, " it's all pink inside before".
  13. Superheat is not a good method to charge a Tube...

    Superheat is not a good method to charge a Tube system


    Sent from my iPhone using Tapatalk
  14. Cap tube systems run high superheat on pull down....

    Cap tube systems run high superheat on pull down. Superheat is not a good method for charging a cap tube. Weigh charge then wait until box temp is down to normal operation. Then if you want to check...
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    515

    5 ton for an 1800 sqft house sounds way oversized...

    5 ton for an 1800 sqft house sounds way oversized to me. I would have the system checked. What is the thermostat set at? From what you posted I assume your system is running 24/7? The reason I am...
  16. There are two types of three way valves. Mixing...

    There are two types of three way valves. Mixing and diverting. Mixing has two inlets and one outlet. Diverting has two outlets and one inlet. If piped wrong (mixing as diverting or vice versa) valves...
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    How much does it weigh

    How much does it weigh
  18. Replies
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    928

    I think a trap after each pair of evaps might be...

    I think a trap after each pair of evaps might be better.
  19. Are they piped properly. What model are they....

    Are they piped properly. What model are they. Some valves will do that if they are mixing valves but piped as diverting. Also could the press diff be to high. Might want to check your valve specs.
  20. Replies
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    Could also be an accumulator. They do rust but...

    Could also be an accumulator. They do rust but the least they could do is call whatever it is that's rusted by it's real name not some made up crap.
    CORRECTION!! They DID the least they can do.
  21. Replies
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    20,481

    I think other contractors would be happy that...

    I think other contractors would be happy that they were turned in.That kind of contractor is undercutting other honest contractors that are including that in their price. Equipment, time and disposal...
  22. Replies
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    736

    Could the flow be to high Sent from my...

    Could the flow be to high


    Sent from my iPhone using Tapatalk
  23. Replies
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    736

    what is the equipment tonnage and what is the...

    what is the equipment tonnage and what is the load? Knowing that you will probably answer your own question. How can you say the evap is big enough?
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    274

    Does this have a heat wheel? when you say HRV...

    Does this have a heat wheel? when you say HRV input do you mean OA temp? Is this a makeup air unit? After rereading your post I assume it has OA and Exhaust so it has some type of heat exchanger so...
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    What is that, a water cooler?

    What is that, a water cooler?
  26. Replies
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    56,335

    That's done with HyperTerminal and a serial...

    That's done with HyperTerminal and a serial cable. Maybe someone has the manual or step by step. It's fairly simple if you have the manual.
  27. Replies
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    486

    Shouldn't be a big deal to retrofit a new damper...

    Shouldn't be a big deal to retrofit a new damper in place. Sheet metal guys cut existing sheet metal and fold ends to make new connection. If the furnace is being installed have them put it in. It...
  28. Thread: Aneurysm

    by ckartson
    Replies
    24
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    884

    Leave it to Hearthman to give us as usual a great...

    Leave it to Hearthman to give us as usual a great post. HVAClady I'm glad you are still with us.
  29. Kele makes a nice signal generator, 0-10vdc and...

    Kele makes a nice signal generator, 0-10vdc and 4-20 ma. Google Kele, I will try to post a link. I also have the Belimo but it,s very expensive.
  30. Why not put it in the equipment room with the...

    Why not put it in the equipment room with the pumps. Adjust your differential pressure setpoint accordingly.
  31. Is the fan set to "ON"? Could it be blowing on...

    Is the fan set to "ON"? Could it be blowing on the thermostat now that the filter was replaced?
  32. Doing well on the test is a big plus. In my...

    Doing well on the test is a big plus. In my opinion the biggest plus is work history, on time and attendance. You can be the most qualified person ever but if your not reliable it is of no use.
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    Sorry Cole, but if you knew this why would you...

    Sorry Cole, but if you knew this why would you have to ask?
  34. Replies
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    842

    I saw Aaon has started using these for hot gas...

    I saw Aaon has started using these for hot gas reheat just the other day. No second valve needed. Sweet, and timely video, for me anyway. Tanks
  35. Is it a 90+? Could the PVC venting be touching...

    Is it a 90+? Could the PVC venting be touching something and transmitting noise? It's directly connected to the inducer fan.
  36. Replies
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    I was waiting for someone to get to this. As a UA...

    I was waiting for someone to get to this. As a UA member our contract states stolen tool or broken tools are to be replaced by the contractor. We are also given a list of tools (in our contract) that...
  37. Replies
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    that is to reduce volumetric clearance.

    that is to reduce volumetric clearance.
  38. With out knowing current indoor air quality (co2...

    With out knowing current indoor air quality (co2 level) it's hard to answer that. How many occupants, How many hours a day are people in the home etc. For comfort purposes leave it on all the time....
  39. Replies
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    861

    Those uni vents have a low limit in the supply...

    Those uni vents have a low limit in the supply air stream. If sat drops below low limit set point the branch line to the N.O hot water valve bleeds and opens valve. Pneumatic leaks would cause...
  40. Replies
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    6,056

    π=3.14 Just got it, Duh, it's a joke!:cheers:

    π=3.14
    Just got it, Duh, it's a joke!:cheers:
  41. If this is just a shed I would be concerned about...

    If this is just a shed I would be concerned about freezing hydronic tubing due to failed zone valve etc. Gas radiant tubes seem like a reliable way to go. Not sure of the co risk that was mentioned....
  42. Replies
    6
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    861

    Coil with 8 elements or 8 pass? Is it just the...

    Coil with 8 elements or 8 pass? Is it just the tube ends or did it split. There are companies that make coils to spec. If its just ends you should be able to braze them fairly easily.
  43. Replies
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    Is this a txv system? Check subcooling for charge...

    Is this a txv system? Check subcooling for charge and superheat for txv operation. Just cool to the touch doesn't tell what the evap pressure is or what the sh is. Read liquid line pressure and temp,...
  44. Thread: temp probe

    by ckartson
    Replies
    1
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    210

    Should be ok. What do you mean abandoned, Are you...

    Should be ok. What do you mean abandoned, Are you a UA member don't you have a hiring hall and a training hall?
  45. Replies
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    2,602

    I know you have taken a lot of flack for this...

    I know you have taken a lot of flack for this thread but you were warned. Lets talk real quick about pumpdown cycle. I assume you have a thermostat and not just a pressure switch. T/stat reaches...
  46. Replies
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    Sorry. Yes R22 at 50 psi is 26 not 14. But the...

    Sorry. Yes R22 at 50 psi is 26 not 14. But the only way to know if a txv is working properly is by checking superheat. All it knows is bulb pressure, suction pressure, and it's spring pressure. The...
  47. Replies
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    1,159

    R 22 at 50 psi is about 14F saturated. Without a...

    R 22 at 50 psi is about 14F saturated. Without a suction line temp you don't have all the data needed. If you had 10 to 15 of superheat then you would have a suction line temp of 24 to 30 and...
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    Thanks Pcmeg, find out more every day on this...

    Thanks Pcmeg, find out more every day on this sight
  49. Replies
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    1,218

    Air gap that I'm familiar with is for appliances...

    Air gap that I'm familiar with is for appliances that have potable water connected to prevent cross contamination.
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    578

    Sounds like the transformer is being used as a 50...

    Sounds like the transformer is being used as a 50 cent fuse. At this point if you call one of us and we use the transformer as a fuse we have to supply anther one. More than likely that wouldn't...
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