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  1. Replies
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    Definitely!

    Definitely!
  2. Replies
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    Thank you that makes a lot more sense. Likely the...

    Thank you that makes a lot more sense. Likely the normally open side is staying closed and feeding 2 speeds. Hopefully the motor isn't shot and a new relay will be the end of it
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    I will replace relay. It is just a simple DPST...

    I will replace relay. It is just a simple DPST and there is only one. Both poles are closed on a regular cycle but I have to check the wiring. To run a different speed I would need another relay I...
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    I wasn't sure I used right cap until I verified,...

    I wasn't sure I used right cap until I verified, which was after I posted.
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    There is only 1 relay and I didn't change the...

    There is only 1 relay and I didn't change the wiring in any way. Just to emphasize it was a 220 v motor I took out and a 220 motor I put back in. It is also noteworthy that the old motor smoked in...
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    There is only 1 relay and I didn't change the...

    There is only 1 relay and I didn't change the wiring in any way
  7. Replies
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    It was an OEM motor it was 220

    It was an OEM motor it was 220
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    I asked because I was uncertain until I verified...

    I asked because I was uncertain until I verified that I used the right cap
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    230 v

    230 v
  10. Replies
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    230 volt

    230 volt
  11. Replies
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    Voltage was 240 120 to each leg. I tested both...

    Voltage was 240 120 to each leg. I tested both legs together and then each leg to ground
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    I used a 7.5. 370 just like recommended by...

    I used a 7.5. 370 just like recommended by manufacturer. Wonder if dirty blower motor could cause it. It really smoked and caught on fire inside motor.
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    No

    No
  14. Replies
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    Would using a start capacitor instead of a run...

    Would using a start capacitor instead of a run capacitor cause this?
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    It is a nordyne though

    It is a nordyne though
  16. Replies
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    It's a single relay One lead for motor goes to...

    It's a single relay One lead for motor goes to relay other lead directly to breaker
  17. Replies
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    Blower motor fried (newly installed)

    I just installed an OEM mobile home blower motor. It was a simple one- just a molex plug for wiring. Fired it up and it ran for a few minutes then smoke and fire came from the motor. Wiring all...
  18. Thread: TXV issue?

    by bjonesplumb
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    I had the customer remove the blower door and it...

    I had the customer remove the blower door and it never froze up for a week. I modified the blower door with two 16" square filter grilles and installed pleated filters. The next morning it froze up....
  19. Thread: TXV issue?

    by bjonesplumb
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    It used to have a 3 ton rheem r-22 system but...

    It used to have a 3 ton rheem r-22 system but compressor burnt out maybe for the same reasons that are causing these problems
  20. Thread: TXV issue?

    by bjonesplumb
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    Coleman mod 7956856 Ser 048880382

    Coleman mod 7956856
    Ser 048880382
  21. Thread: TXV issue?

    by bjonesplumb
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    It seemed to me that the openings in the blower...

    It seemed to me that the openings in the blower compartment door for return air were way to small and few . Like I said too when the door was off my subcool was right on target at 9. With door on it...
  22. Thread: TXV issue?

    by bjonesplumb
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    I don't remember my pressures but I'm thinking...

    I don't remember my pressures but I'm thinking 243 high side and over 100 on low side but I'm not exactly sure it was last Friday that I did it.
  23. Thread: TXV issue?

    by bjonesplumb
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    Down flow. I only have temp and pressure readings...

    Down flow. I only have temp and pressure readings from when the system was functioning properly. I will get the equipment info and post tomorrow.
  24. Thread: TXV issue?

    by bjonesplumb
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    Well, I thought turning the bulb over fixed it....

    Well, I thought turning the bulb over fixed it. Now it's 7 days later and the customer called back saying the coil iced up again. This is the first time in 7 days. He said the outdoor temp was 71 and...
  25. Thread: TXV issue?

    by bjonesplumb
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    Thanks for all of your replies. Turns out it was...

    Thanks for all of your replies. Turns out it was the bulb upside down. After I turned it over it has been working fine for five days and counting! Hope this experience helps someone else too.
  26. Thread: TXV issue?

    by bjonesplumb
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    It is a mobile home furnace in a mobile home....

    It is a mobile home furnace in a mobile home. Coil cabinet at bottom of furnace
  27. Thread: TXV issue?

    by bjonesplumb
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    A couple weeks

    A couple weeks
  28. Thread: TXV issue?

    by bjonesplumb
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    To get back to the beginning, are we all in...

    To get back to the beginning, are we all in agreement that this ice up issue could be caused by the txv bulb being mounted upside down?
  29. Thread: TXV issue?

    by bjonesplumb
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    I didn't take pressure readings while it was...

    I didn't take pressure readings while it was doing that. As soon as I got there I shut the system down to let everything defrost.
  30. Thread: TXV issue?

    by bjonesplumb
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    That's what I thought I never saw an ice up...

    That's what I thought I never saw an ice up problem with overcharge. If its still going to do it I am thinking it could be air flow. It is a mobile home furnace and I'm not thrilled with the louvered...
  31. Thread: TXV issue?

    by bjonesplumb
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    Unless it was cycling off on low pressure. The...

    Unless it was cycling off on low pressure. The switches are in series. I never confirmed which switch was doing it - low or high
  32. Thread: TXV issue?

    by bjonesplumb
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    Hmmmm good point it may be over charged then

    Hmmmm good point it may be over charged then
  33. Thread: TXV issue?

    by bjonesplumb
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    I am thinking it cycled off on head pressure...

    I am thinking it cycled off on head pressure because the inside coil iced over because the txv malfunctioned because the bulb was upside down. Just a theory .
  34. Thread: TXV issue?

    by bjonesplumb
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    It only has the factory charge plus 3 oz for...

    It only has the factory charge plus 3 oz for lineset , the factory charge should have been accurate right?
  35. Thread: TXV issue?

    by bjonesplumb
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    If the liquid migrated would that cause the txv...

    If the liquid migrated would that cause the txv to meter the flow improperly?
  36. Thread: TXV issue?

    by bjonesplumb
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    Yes

    Yes
  37. Thread: TXV issue?

    by bjonesplumb
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    I mean superheat was 16 sorry I put wrong value...

    I mean superheat was 16 sorry I put wrong value on last post
  38. Thread: TXV issue?

    by bjonesplumb
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    Superheat was 11

    Superheat was 11
  39. Thread: TXV issue?

    by bjonesplumb
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    TXV issue?

    Went on a call today where the high pressure switch was short cycling the outdoor unit. Coil was iced up and capillaries iced cleat to TXV. Suction line iced line clear out to outdoor unit. I looked...
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    If you have 95 psi or more on the low side and...

    If you have 95 psi or more on the low side and it's r-22 and no other issues you may have bad compressor valves. Sounds like you could benefit from the tutorials on supercoolsliderule.com.
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    Thermostat issue

    Has anyone ever had the problem of a t-stat letting the indoor fan run while clicking the outdoor unit on and off repeatedly. Its an old mercury type stat. They are trying to draw the indoor temp...
  42. By the way I moved the fan blade up 1.5 inch and...

    By the way I moved the fan blade up 1.5 inch and the air flow coming up through cond coil is fine now. Strange how that needed done when the blade has been rusted on for many years.
  43. A tool that is like a spike with a handle . the...

    A tool that is like a spike with a handle . the end comes to a sharp point I believe he meant to stick the awl in the screw holes to move the two holes til they line up. An awl is used commonly in...
  44. No air out of top of condenser only on the sides...

    No air out of top of condenser only on the sides ???? Cond coil plugged?
  45. Thank you

    Thank you
  46. Amana gas pack- need to access evap coil- anyone experienced this?

    I have to clean the evap coil on an Amana gas pack. ref. pressures through the roof. They ran the unit with no filter and had construction in the house with lots of dust. I need to clean the coil but...
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    I did check the discharge air temp it was about...

    I did check the discharge air temp it was about 87F but that's just from memory I could be off on that. The heat load that I am concerned about is the 2nd floor bonus room it had its own return . It...
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    The supply air was 57 and the air movement at...

    The supply air was 57 and the air movement at register is strong
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    I returned and took my superheat and subcool...

    I returned and took my superheat and subcool readings and adjusted the charge within 3 degrees of sh target of manufactures chart. Then I checked the temps in each room . Stat set at 72 and it was 69...
  50. There are plumbers that do both its not...

    There are plumbers that do both its not completely out of the realm of Logic . I have actually fixed lots of Hvac problems just this one has me stumped. I am newer to heat pump issues as I am from a...
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