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  1. Replies
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    Sounds a bit like low indoor air flow. 2-20x20...

    Sounds a bit like low indoor air flow.

    2-20x20 air filters is small for 5 tons.
  2. Moved to Tech to Tech.

    Moved to Tech to Tech.
  3. Replies
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    118

    Yep, sounds like there's a Stat in the heat pump...

    Yep, sounds like there's a Stat in the heat pump locking it out.
  4. Replies
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    315

    Only Pro members can send and receive PMs here....

    Only Pro members can send and receive PMs here. You will need to contact each other by email. Put your email address in your profile, they are not allowed in post.
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    Neither is the problem. Call a local service...

    Neither is the problem.

    Call a local service company, they will be able to determine the real problem, and repair it for you, for a fee of course.

    Sorry, this is not a DIY site.

    Thread...
  6. Replies
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    138

    Good chance its the tech's meter accuracy that's...

    Good chance its the tech's meter accuracy that's showing over amperage.
  7. Replies
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    161

    You may have another faucet somewhere bleeding...

    You may have another faucet somewhere bleeding cold water into the hot water pipes.

    Also could be that your over tapping the tankless coil. Post model number and brand of boiler, so we can check...
  8. Replies
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    We don't talk prices in the open forums. Consider...

    We don't talk prices in the open forums. Consider becoming a Pro member. And then posting in the Pro only forums.

    See link in my sig.
  9. The delta across the boiler will be the same no...

    The delta across the boiler will be the same no matter what the building or how much heat is lost from the water before it returns to the boiler.
  10. Yeah, if static is high, as above 1". Those...

    Yeah, if static is high, as above 1". Those motors/modules don't last long.
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    Connect it to wifi. Then set the aux heat lock...

    Connect it to wifi. Then set the aux heat lock out to X degree outdoor temp.
  12. Saying boiler temp, is actually a misnomer. Its...

    Saying boiler temp, is actually a misnomer. Its actually the water temp of the heat emitter that is important.

    And in a condo, there will be one unit that requires the leaving water temp to be...
  13. Boiler water temp at different outdoor Temps,...

    Boiler water temp at different outdoor Temps, varies with the type of heat and BTU output of the heat emitters it has. Copper baseboard might need to be 150 or 165. Cast iron rads might need to be...
  14. Replies
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    Basically. Or you can think of it as forced...

    Basically. Or you can think of it as forced convection.

    In a normal defrost with little to no wind. The coil warms up fairly evenly, and fairly fast. With the wind blowing, it takes longer to...
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    398

    High winds can require a higher termination temp.

    High winds can require a higher termination temp.
  16. Replies
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    398

    Well, they may be guessing at the cause and cure....

    Well, they may be guessing at the cause and cure. Is your area commonly windy?
  17. Replies
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    398

    Depends on how moist the areas winter is. A...

    Depends on how moist the areas winter is.

    A cold dry climate area doesn’t usually need a long defrost cycle.
  18. Replies
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    398

    If the coil is completely thawed/frost free, than...

    If the coil is completely thawed/frost free, than a short defrost time is more efficient. If its not completely frost free in a short time, than a longer defrost time is more efficient. As you get...
  19. Causes hot spots in the heat exchanger.

    Causes hot spots in the heat exchanger.
  20. 12F rise is a low temp rise. Would be a problem...

    12F rise is a low temp rise. Would be a problem on some boilers.
  21. What is the factory charge amount? On some...

    What is the factory charge amount? On some systems, half a pound won't make a difference, after the system is so low

    What was the condensers entering water temp when you took the readings, and...
  22. You sure the RV isn't stuck in the heat position.

    You sure the RV isn't stuck in the heat position.
  23. Might have a leak in the system.

    Might have a leak in the system.
  24. No problem using a different brand of A/CC. ...

    No problem using a different brand of A/CC.

    The blower coming on hard is due to the way the original installer set up the furnace.
  25. That boiler is allowed a max GPM of 90 GPM, and a...

    That boiler is allowed a max GPM of 90 GPM, and a min of 40 GPM.

    Its a low temp rise boiler.
  26. https://hvac-talk.com/vbb/showthread.php?1241-Welc...

    https://hvac-talk.com/vbb/showthread.php?1241-Welcome-to-HVAC-Talk!-Please-read-these-rules
  27. Replies
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    Moved to AOP.

    Moved to AOP.
  28. Stop posting, and quoting post with prices in...

    Stop posting, and quoting post with prices in them.
  29. Thread: Lineset

    by beenthere
    Replies
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    239

    SpeediChannel Line Set Cover. Only the large...

    SpeediChannel Line Set Cover.

    Only the large line needs insulated.
  30. Replies
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    A. Prices and pricing are not allowed here. B....

    A. Prices and pricing are not allowed here.

    B. That furnace is bot permitted to be sidewall vented like you have it.
  31. Replies
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    Removed your email address.

    Removed your email address.
  32. The pump should have a tag on it somewhere...

    The pump should have a tag on it somewhere listing its rated GPM at X feet of head. Most likely the system was engineered, and the circ was selected to meet the specs of the engineered system. So you...
  33. The cooler/colder the water is, the more heat it...

    The cooler/colder the water is, the more heat it removes from the combusted gas. So the combusted vapors going into the chimney are much cooler. A chimney with 275F vapors entering it, may work okay...
  34. Made this its own thread. In the AOP forum. This...

    Made this its own thread. In the AOP forum. This is where home owners are to ask their questions.
  35. You wouldn't happen to have the model number of...

    You wouldn't happen to have the model number of the old air handler would. If so, post it here. Someone may be able to pull up the specs, and see if it came with a piston or TXV.
  36. Replies
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    Seems a bit quick to me. But may be your areas...

    Seems a bit quick to me. But may be your areas winter moisture is higher than mine.
  37. Replies
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    Not at outdoor Temps above 55F.

    Not at outdoor Temps above 55F.
  38. Replies
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    Made tis its own thread.

    Made tis its own thread.
  39. The manufacturer won't talk to the home owner....

    The manufacturer won't talk to the home owner. About technical aspects.
  40. Possible that the blower is moving too much air....

    Possible that the blower is moving too much air. Or its not fired at it full 66,000 BTU input.

    What temp do you maintain it the house.
  41. The condenser doesn't care if its connected to a...

    The condenser doesn't care if its connected to a piston or TXV system.

    If the compressor locked up. It could be that the indoor piston was not the right size, or that the indoor air flow was too...
  42. They would use -36 or -40 if the published temp...

    They would use -36 or -40 if the published temp was -36.3F

    Has the HOA or condo association put you in charge o reducing cost? Remember, one slip up and you could cost them a lot more money...
  43. Replies
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    Get a qualified company in to solve your oil...

    Get a qualified company in to solve your oil burner problems.

    This is not a DIY site.

    Thread closed.
  44. Thread: Delta T help

    by beenthere
    Replies
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    416

    If the boiler is using outdoor reset. Then the...

    If the boiler is using outdoor reset. Then the temp delta will increase as the outside temp drops.
  45. Replies
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    Welcome aboard.

    Welcome aboard.
  46. Replies
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    Moved to AOP. Probably just a coincidence that...

    Moved to AOP.

    Probably just a coincidence that the A/C stopped working. Time to call in a contractor.
  47. Replies
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    He said gas package unit. So it would make sense...

    He said gas package unit. So it would make sense that its 230 volt.
  48. Replies
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    Moved to AOP.

    Moved to AOP.
  49. Moved to AOP.

    Moved to AOP.
  50. Replies
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    Yes, because the thermostat doesn't know its...

    Yes, because the thermostat doesn't know its connected to a heat pump.

    Moved to AOP.
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