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Type: Posts; User: mjohnson2981

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  1. Replies
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    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
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    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
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    I screwed the thead title up. Yes a dehumidifier.

    I screwed the thead title up. Yes a dehumidifier.
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    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...
  5. 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.
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    Did you hose the coil out?

    Did you hose the coil out?
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    323

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

    I appreciate the information. I will identify the sweep and get new sweeps and closers installed.
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    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...
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    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...
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    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...
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    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...
  12. 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...
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    Thank you!

    Thank you!
  14. 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...
  15. 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?
    ...
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    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?
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    Sorry... Receiver... It's been a long weekend...

    Sorry... Receiver... It's been a long weekend...
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    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.
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    Thanks! That checks out as well then.... I'm not...

    Thanks! That checks out as well then.... I'm not sure what happened then.
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    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.
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    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...
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    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...
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    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...
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    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.
  25. Thank you!

    Thank you!
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