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  1. Replies
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    Does it have a "Froststat" (freezestat)? Does it...

    Does it have a "Froststat" (freezestat)? Does it run three minutes and then off for about seven?
  2. Replies
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    574

    PM sent, thanks!

    PM sent, thanks!
  3. Replies
    18
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    574

    Yes sir will do, I understand better now. Thanks...

    Yes sir will do, I understand better now. Thanks to everyone for their patience.
  4. Replies
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    574

    That explains it. If the book had of said PTC I...

    That explains it. If the book had of said PTC I would not have made the mistake. So many sensors I deal with are NTC (reverse acting). I double checked all my dip switch settings and they are correct...
  5. Replies
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    574

    Yes, I tried every sensor that it would allow me...

    Yes, I tried every sensor that it would allow me to choose but no go.
  6. Replies
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    574

    They read about 137.5F instead of the 74.6F they...

    They read about 137.5F instead of the 74.6F they should. Dip switches for AI1 (Voltage), AI2 (Resistance), AI3 (Resistance) are set according to manual.
  7. Replies
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    574

    Yes sir, 1k ohm Nickel RTD. I just used some...

    Yes sir, 1k ohm Nickel RTD. I just used some stacons to attach some 1k ohm NTC #102 thermistors but they won't read correctly.
  8. Replies
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    574

    Here is my home setup...

    Here is my home setup...
  9. Replies
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    574

    Thank you sir, where is the best place to pick up...

    Thank you sir, where is the best place to pick up a couple cheap? This is in my home and only used for testing/learning.
  10. Replies
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    574

    Johnson UNT-111 Thermistors

    Hello,
    What ohm and type thermistors do the unt111 use? I am trying to configure AI-2 and AI-3 for SAT and OAT respectively.
    Thanks.
  11. Replies
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    450

    Is it really a VAV unit or just a simple "Zoned"...

    Is it really a VAV unit or just a simple "Zoned" system?
  12. Replies
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    732

    Do you know how much the update is?

    Do you know how much the update is?
  13. Check your email.

    Check your email.
  14. Replies
    8
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    385

    Put an email addy in your profile so a drawing...

    Put an email addy in your profile so a drawing can be sent.
  15. Replies
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    534

    yubacity, ca?

    yubacity, ca?
  16. Replies
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    604

    It is the old java version in the controller...

    It is the old java version in the controller preventing access. If you have a laptop that you can run an older version of Java on it will work flawlessly. Version 6 update 30 works perfect, just...
  17. Replies
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    1,584

    Thanks!

    Thanks!
  18. Replies
    18
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    1,584

    Thank you.

    Thank you.
  19. Replies
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    1,584

    Yes I saw that while configuring the VMA that was...

    Yes I saw that while configuring the VMA that was a choice for stat type. So if I had a fully adjustable stat would I leave the heat and cool temps along with common set to 0F?
  20. Replies
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    1,584

    So if you had a stat with the +/- 5F adjustment,...

    So if you had a stat with the +/- 5F adjustment, this is how you would configure the VMA?
  21. Replies
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    778

    I am running Java 6 v30 for compatibility issues.

    I am running Java 6 v30 for compatibility issues.
  22. Replies
    18
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    1,584

    Thank you sir.

    Thank you sir.
  23. Replies
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    778

    FX60 with embedded Workbench

    When accessing the Jace is says "loading Workbench". I have admin rights to the Jace so how do I access Workbench?
  24. Replies
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    1,584

    Do you have a link to that manual?

    Do you have a link to that manual?
  25. Replies
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    1,584

    Thank you sir, you are right on the money. Set...

    Thank you sir, you are right on the money. Set Common to 0F and now they are reading correctly.
    Thanks to all that helped!
  26. Replies
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    1,584

    And this...

    And this...
  27. Replies
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    1,584

    Appreciate your help... STANDARD...

    Appreciate your help...


    STANDARD CONFIGURATION PRINT - SHORT FORM
    -----------------------------------------

    PROJECT INFORMATION
    HVAC PRO Version : 8.04
    Configuration File :...
  28. Replies
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    1,584

    This...

    This...
  29. Replies
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    1,584

    VMA1420 issues

    I have a VMA1420 controller that keeps setting the "Cooling PID" to 146.0F and the "Heating PID" to 140.0F? I am using HvacPro with a rs232 to rs485 converter and I have full access to the vma. I...
  30. Replies
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    Thank you, I will see about getting it.

    Thank you, I will see about getting it.
  31. Replies
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    Actually I got it from M&M during a class I took....

    Actually I got it from M&M during a class I took. Great people!
  32. Replies
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    6,222

    I have M-Tools v5.1.

    I have M-Tools v5.1.
  33. Replies
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    6,222

    Sorry to resurrect an old thread. I have HVAC Pro...

    Sorry to resurrect an old thread. I have HVAC Pro for my old XP laptop but it will not load on my new Win 8.1 Toshiba. My old Dell 600m running XP Pro is like watching paint dry, very painful but it...
  34. Replies
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    As stated the "T" wire was hooked to an outdoor...

    As stated the "T" wire was hooked to an outdoor thermistor for heating anticipation of a mercury bulb thermostat, just omit it.
  35. There are many factors that go into making an...

    There are many factors that go into making an informed decision, warranty is just one of them. I will put Honeywell's' track record up against Nest any day of the week. just my $.015
  36. A "King Valve" is the liquid line shut off valve...

    A "King Valve" is the liquid line shut off valve at a receiver tank. A liquid line service valve is what you find on outdoor units. I ALWAYS wrap and cool with water ANY valve that I solder in, or...
  37. Is this a multi-stage unit?

    Is this a multi-stage unit?
  38. Replies
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    It is a little over 20 tons (024 = 20tons) and...

    It is a little over 20 tons (024 = 20tons) and was made the 45th week of 1993. It should be a standard Carlyle cast iron compressor with one or two unloaders, most likely suction cut-off unloading.
  39. Isn't "H1" the humidity sensor? Do you get a...

    Isn't "H1" the humidity sensor? Do you get a humidity reading at the stat now?
  40. The Vision Pro 8000 has a five year warranty,...

    The Vision Pro 8000 has a five year warranty, what does the Nest have. The 8000 is a rock solid stat with years of proven performance. I have installed many ecobee's and was not all that impressed...
  41. Sounds like you are talking about PTAC (package...

    Sounds like you are talking about PTAC (package terminal air conditioner) units not window shakers. They must be pulled and chemically cleaned (and lubed if equipped) before the cooling season to get...
  42. Being a VAV unit all it knows is discharge air...

    Being a VAV unit all it knows is discharge air temp setting and static pressure setting. It will ramp up and stage up accordingly. Make sure the time delay between rooftop units is set to allow...
  43. Lennox = Dec 1999 (2.5ton) Payne = 11th week...

    Lennox = Dec 1999 (2.5ton)

    Payne = 11th week of 2003 (4 ton)
  44. Replies
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    Thank you for the manual and information. John

    Thank you for the manual and information.
    John
  45. Replies
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    1,515

    I am in Chesterfield Co. Thanks, John

    I am in Chesterfield Co.
    Thanks,
    John
  46. Replies
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    1,515

    Teletrol 186 info needed

    I ran into an old Teletrol 186 Integrator today that is has the "error light" on solid. They lost their building's transformer and now the system will not run. There is no information on site about...
  47. Replies
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    Sounds like Precedent models.

    Sounds like Precedent models.
  48. I would suggest you look at fan speed control...

    I would suggest you look at fan speed control along with auto-reset freeze stats.
  49. Replies
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    1,409

    If it was "Snowball" it would take twenty years...

    If it was "Snowball" it would take twenty years of that to kill it.
  50. Replies
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    1,581

    Is the underside of the head smooth or does it...

    Is the underside of the head smooth or does it have a square plate bolted on?

    Smooth = hot gas bypass
    Square plate = Suction cut-off.
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