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  1. Fix the ones you have, all the new stuff is...

    Fix the ones you have, all the new stuff is garbage
  2. Fieldpiece RMA316

    Fieldpiece RMA316
  3. Replies
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    2,410

    Check your contactor(s) coil resistance. Higher...

    Check your contactor(s) coil resistance. Higher resistance will cause a voltage drop back to the board. Board will lock out on 9 flash limit code.
  4. I would also look hard at the gas valve. ...

    I would also look hard at the gas valve. Disconnect valve from circuit and see if spark stays consistent. Had a few lennox rooftop units valves causing same issues.
  5. I'd be looking real hard at the spark wire and...

    I'd be looking real hard at the spark wire and electrode.
  6. Thread: Smart probes?

    by Blake79
    Replies
    19
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    2,747

    I have the fieldpiece set and love them. Only...

    I have the fieldpiece set and love them. Only issue I had was one of the pressure probes sucked batteries dead in a hurry. Notified fieldpiece and they had a replacement at my door with rma for...
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    Looks like the other tech is spot on. If you...

    Looks like the other tech is spot on. If you look at r22 fixed orfice/superheat chart with 80 oddb and 67 idwb your superheat should be about 16-17 degrees
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    On Lennox furnaces with 7 segment display, you...

    On Lennox furnaces with 7 segment display, you can only check flame signal from board by means of button by display. If you try and check with meter in series you're reading will be scrambled and...
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    I had same issues on one. Replaced both...

    I had same issues on one. Replaced both contactors, problem resolved. Ohm out the coils. I believe they should be 4-7 ohms. Thw ones i replaced were almost 9 ohms. With the higher resistance the...
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    Recirculation of flue gas?

    Recirculation of flue gas?
  11. Replies
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    2,453

    Wow. "If you can't we can". That's really sad...

    Wow. "If you can't we can". That's really sad and unfortunate, but it goes on all day every day
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    X2 on draft motor. Centrifugal switch could be...

    X2 on draft motor. Centrifugal switch could be intermittently failing to close. I would also check integrity of heat relay and limit wire/ terminal on main board.
  13. Most likely pinhole leak on u bend. Delfied coils...

    Most likely pinhole leak on u bend. Delfied coils are notorious for leaking there in my experience. Might not see bubbles just a small foam patch devolving where leak is after a short period of time.
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    2,772

    Airflow moving in the right direction? A 12 700...

    Airflow moving in the right direction? A 12 700 constant cut in is 37 degrees I believe. Is the bulb sensing coil temp or air? I have had issues before when bulb inserted inside coil and unit...
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    Fryers are the worst

    Fryers are the worst
  16. Thread: Rooftop PM

    by Blake79
    Replies
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    2,282

    X2 on sink to hose adapter. They work well in...

    X2 on sink to hose adapter. They work well in condos with thru the wall condensors. A lot of times there will be a hose bib tucked high on curb just under RTU
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    722241722271

    722241722271
  18. When I did refrigeration and food service I would...

    When I did refrigeration and food service I would run between 3 and 7 per day. A lot depended on drive time to and from and severity of problem/repair.
  19. Thread: Weird readings

    by Blake79
    Replies
    23
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    1,902

    High superheat, high subcooling. Sounds like a...

    High superheat, high subcooling. Sounds like a restriction or TXV. Possibly LL screen before TXV clogged?
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    X2 on extending harvest

    X2 on extending harvest
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    Did you check float switch for sticking or hot...

    Did you check float switch for sticking or hot gas cycle during harvest? Generally when I ran into these "ghost" freeze ups it was due to bin control issue or water issue because Hoshizaki machines...
  22. Replies
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    Went through numerous fluke 80pk. The rubber...

    Went through numerous fluke 80pk. The rubber insulation would rub through where it meets metal ribs and fray wire. Been using uei and fieldpiece cheapos for a while now. Will see how long they last...
  23. Replies
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    1,319

    The UEI usually settles out within a minute or so

    The UEI usually settles out within a minute or so
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    And they can price out of sight because of their...

    And they can price out of sight because of their kitchen care corporation empire. They add new companies weekly it seems
  25. Replies
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    5,779

    LL cooler than ambient, low condensor split, low...

    LL cooler than ambient, low condensor split, low SP high SH
  26. Replies
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    1,319

    Just picked up the UEI DTH35. Works really well...

    Just picked up the UEI DTH35. Works really well for in duct applications. The cover unscrews and acts as a handle on opposite side of probe
  27. Replies
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    Find the restriction

    Find the restriction
  28. Replies
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    Wet rag, in bucket of ice water if possible. Have...

    Wet rag, in bucket of ice water if possible. Have other rags ready to help dissipate heat when finished brazing. Never had a problem.
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    Good find on that one. At least you fixed it on...

    Good find on that one. At least you fixed it on site and didn't have to return with parts. Can't count how many fan cycling controls we have replaced in the last 6 months. Not to mention control...
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