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  1. Replies
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    I called for a 24" 3 blade 18 degree condenser...

    I called for a 24" 3 blade 18 degree condenser fan blade. The guy a J-mart said they didn't have it but could order me one. I asked what he was ordering and it was a 24" 3 blade 27 degree... It was...
  2. Replies
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    1,008

    It was for a buddy of mine and I was at the house...

    It was for a buddy of mine and I was at the house before a gathering to change the stat. That's when I noticed the other issue. I had no tool bag or replacement contactor. Just a stat and a flat...
  3. Replies
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    1,008

    I did not check control voltage but I am certain...

    I did not check control voltage but I am certain there is no voltage - high or low - when it sticks.
  4. Replies
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    1,008

    I'm just speculating... I would think that if...

    I'm just speculating... I would think that if lighting was strong enough to create a magnetic field, it would have blown the defrost board or contactor. But I've never had a contactor act like that.
  5. Replies
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    1,008

    Okay... back on this unit again. I changed...

    Okay... back on this unit again.

    I changed the thermostat out and was running the unit and it did the same thing except in heat mode this time. The Condenser Fan shut off but the compressor...
  6. Replies
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    1,008

    The stat had no continuity. I cycled the ecm...

    The stat had no continuity. I cycled the ecm several times and it seems fine. Should I expect the board at this point?
  7. Replies
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    301

    I use a hydraulic swage. Use it to get back...

    I use a hydraulic swage. Use it to get back round. Just dont swage.
  8. Replies
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    1,008

    That got me thinking. If the board doesn't care...

    That got me thinking. If the board doesn't care if it is in a call for cooling or heating for timing the cut out of the fan, would using the 'Speed-Up' pins help determine if it is the board?
  9. Replies
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    1,008

    Yes, it is a Time/Temp board.I didn't know that...

    Yes, it is a Time/Temp board.I didn't know that the board didn't disable in Cooling Mode. I will definitely check this out.

    Thanks!
  10. Replies
    21
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    1,008

    Defrost board issue?

    Hello!

    I had a strange problem that I could not repeat.

    Checking out a Nordyne FT4BE Heat Pump. Hooked up gauges and everything was spot on. Voltages, amp draws, temperatures, everything seemed...
  11. Replies
    2
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    289

    Ballpark of 25 foot lineset. Condenser is about 4...

    Ballpark of 25 foot lineset. Condenser is about 4 or 5 feet above inside coil.
  12. Replies
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    289

    Oil in system

    I was on a 410a system earlier that was supposed to be just a clean and check... It was a little more than that.

    I didn't even hook the gauges up before cleaning the coil - it was at least 1/2...
  13. Replies
    11
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    693

    You're right. I had 2.5 in my head from some...

    You're right. I had 2.5 in my head from some earlier readings. I didnt write it on my final work order.

    2.3 is a little lower but wouldn't scream a bad compressor to me...
  14. Replies
    11
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    693

    2.5:1 compression ratio seems in line...

    2.5:1 compression ratio seems in line...
  15. Replies
    11
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    693

    Aside from assuming low air flow from an...

    Aside from assuming low air flow from an excessively normal fan there may not be an issue. The evap just seems a little warm for 71 degree return air
  16. Replies
    11
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    693

    Rental unit franken-system...

    I have been to a rental unit twice now... Unit was flat back in April. Leaking valve core. Supposedly wasn't working at all, so I assumed it was flat again, but it was working fine when I arrived. I...
  17. Replies
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    522

    If you have a broken wire a TDR meter coild tell...

    If you have a broken wire a TDR meter coild tell you where it is broke
  18. Replies
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    1,445

    If you arent rejecting heat I would expect it to...

    If you arent rejecting heat I would expect it to take longer to hit 800psi... maybe not very long... but more than 3 or 4 seconds
  19. Replies
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    300

    I screwed the thead title up. Yes a dehumidifier.

    I screwed the thead title up. Yes a dehumidifier.
  20. Replies
    7
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    300

    Humidifer saving money on A/C?

    I had someone ask me the other day - "I'm house hunting and the house had a dehumidifier running in the house. The current owner says they run it to save money - is this true?"

    My answer was that...
  21. It's probably overkill, but I carry a Fluke 289....

    It's probably overkill, but I carry a Fluke 289. There isn't much it won't do.

    I don't know about other brands, but it is lifetime warrantied.
  22. Replies
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    1,081

    Did you hose the coil out?

    Did you hose the coil out?
  23. Replies
    11
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    501

    I appreciate the information. I will identify the...

    I appreciate the information. I will identify the sweep and get new sweeps and closers installed.
  24. Replies
    11
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    501

    The door itself has no ice outside of it. The...

    The door itself has no ice outside of it. The only ice is where the internal glow-in-the-dark door release goes through to release the outer latch. It is about 2.5" thick - inside the door. I used a...
  25. Replies
    11
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    501

    I soaked the felt with oil, hoping that it would...

    I soaked the felt with oil, hoping that it would re-apply as they used it, but do believe that the ice inside the door is the real culprit. I assume the mullion heaters are fine because the door is...
  26. Replies
    11
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    501

    That is the same hardware they have. The inside...

    That is the same hardware they have. The inside release has a felt ring seal and a steel washer to keep the roll pin from hitting the plastic cover. The ice inside the door is freezing to where the...
  27. Replies
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    501

    Defrosting walk-in door.

    As I always state, I am not a refrigeration guy... However...

    Is it possible or justifiable to defrost a walk-in door?

    The bakery I take care of was complaining of getting locked in the...
  28. The obvious answer is the single stage has one...

    The obvious answer is the single stage has one pump, the two stage has two pumps internally.

    As far as real world importance - typically the speed of the vacuum (two stage could have a larger...
  29. Replies
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    469

    Thank you!

    Thank you!
  30. Yes 45* SAE is a 45* Flare JIC is a 37* Flare...

    Yes 45*
    SAE is a 45* Flare
    JIC is a 37* Flare

    If you want to double check us, put a square on a male flare. the two sides will make a 90* angle. If you have good eyes you can check by sighting...
  31. The 6 cfm uses reed valves. The robinair parts...

    The 6 cfm uses reed valves. The robinair parts books for the two look the same, but I cannot guarantee this as I have never owned a 15424.

    Did you change the oil or just drain it down to full?
    ...
  32. Replies
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    1,160

    If it is placed vertical above the metering...

    If it is placed vertical above the metering device and the outlet is on the bottom, would it not help ensure a steady flow of liquid out the bottom?
  33. Replies
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    Sorry... Receiver... It's been a long weekend...

    Sorry... Receiver... It's been a long weekend...
  34. Replies
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    1,160

    Inlet of evaporator is less likely to rust out...

    Inlet of evaporator is less likely to rust out and if positioned correctly can act as an accumulator.
  35. Replies
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    490

    Thanks! That checks out as well then.... I'm not...

    Thanks! That checks out as well then.... I'm not sure what happened then.
  36. Replies
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    862

    If the amp draw is within spec I wouldn't think...

    If the amp draw is within spec I wouldn't think it would be "weak". You could shoot it with a photo tach to get an idea what RPM it is turning compared to nameplate.
  37. Replies
    3
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    469

    Evaporator height and subcooling

    I don't really run into this with residential, but I got to thinking about a commercial unit I maintain.

    The condensing unit is on the ground and the evaporator is in the attic, with about a 25...
  38. Replies
    2
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    490

    Robinair Vacuum Pump

    Anyone have a 6cfm Robinair Cooltech vacuum pump (15600) that you can still read the label on the motor?

    I had mine running for a couple hours in the garage on a dehumidifier and I came back and...
  39. Replies
    13
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    753

    I did some more research and this unit calls for...

    I did some more research and this unit calls for a replacement capacitor that is 440v. The one I pulled out was a 370 that looked like the original, but maybe it wasn't. Either way, the motor called...
  40. Replies
    13
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    753

    Yes, but I was still under the FLA and I could...

    Yes, but I was still under the FLA and I could see through the coil.
  41. Thank you!

    Thank you!
  42. Replies
    13
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    753

    I was more concerned with the back emf voltage...

    I was more concerned with the back emf voltage than the amperage
  43. Replies
    13
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    753

    Fan motor & back EMP

    If I work on any unit, I check the capacitors while running.

    I had one today that is a 1/4hp, 830rpm, 208/230, FLA 1.5, LRA 3.0. Motor calls for a 5uf/370.

    Fan is drawing 1.2a
    Capacitor...
  44. Schematic & Charging Procedures for Trane

    Hello,

    Went to a call with a Trane XL19i (mn: 2TWZ9036A1000AC)

    I haven't worked on many of the 2 stage units and am looking for a schematic and charging procedures so I can educate myself on...
  45. Replies
    5
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    327

    Grounding flexible gas connector?

    I have been given a home inspection on a friend's house. The inspector made a comment that "(CSST) gas piping does not appear to be properly grounded as required
    for new installations by the...
  46. Without a doubt: Long magnetic 1/4 & 5/16 nut...

    Without a doubt:

    Long magnetic 1/4 & 5/16 nut drivers.
    Clamp amp meter
    Multimeter
    Gauges
    Digital clamp thermometer
    - Don't go cheap with any of these. There is nothing that aggravates me...
  47. Replies
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    577

    No.... evac and recharge.

    No.... evac and recharge.
  48. Replies
    2
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    234

    I believe you have a #10 (5/8) O-Ring Boss...

    I believe you have a #10 (5/8) O-Ring Boss fitting. It should be a 7/8-14 thread. The same thread is used for SAE Flare, JIC Flare, and O-Ring Boss.

    I don't know what you are planning on making,...
  49. Replies
    2
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    234

    Robinair makes a few different stems for that...

    Robinair makes a few different stems for that pump. I've changed mine before.

    If I remember right, it is an o-ring seat. May be the same as a #8 or #10 o-ring boss hydraulic fitting. I'll see...
  50. Replies
    10
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    501

    I use an H10 and a Dtek Select. I can't complain...

    I use an H10 and a Dtek Select. I can't complain about either.
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