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Type: Posts; User: killer v

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  1. I'm getting 24v to the coil of the contactor...

    I'm getting 24v to the coil of the contactor immediately upon turning on the disconnect.
  2. Trane THC 033 compressor contactor will not de-energize/cycle with thermostat

    I am working on a Trane THC 033 (cooling only). Upon arrival, the coil was frozen solid, the IDM was not running, and the compressor was running.

    After some troubleshooting, the thermostat and...
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    Freeze Stats for pool AHUs?

    I have a building with two swimming pools in them and 6 air handlers. Each air handler has two freeze stats (Powers) on the hot water coil. These freeze stats fail from corrosion every 2-3 months...
  4. Trane Absorber Bromide Filter Change Procedure?

    I'm an apprentice and have been tasked recently with changing the lithium bromide filters on several Trane absorbtion chillers. I know very little about absorbers or how they work. I was just shown...
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    Liebert minimate resistor(?) question

    I have a Liebert Minimate ( MMD12E7P0000) with a split condenser. Where the condenser wiring is to be connected to the control board, there is what appears to be a resistor between ports 1 & 3 (on...
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    956

    Absolutely nothing specific was mentioned in...

    Absolutely nothing specific was mentioned in regard to "pricing" (that was kind of the point).
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    956

    She did have a service call. The technician said...

    She did have a service call. The technician said it was a $$$$ part (didn't specify which one) and tried to sell her a new $$$$$ furnace...
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    Lennox Whisper G20

    My sister is having trouble with her Lennox G20Q4/SE-125-1.

    The furnace will not fire when the stat is set to "auto."

    When the stat is set to "on," it will go through its heating cycle...
  9. Thread: Rheem manuals

    by killer v
    Replies
    6
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    1,006

    Thanks guys!

    Thanks guys!
  10. Thread: Rheem manuals

    by killer v
    Replies
    6
    Views
    1,006

    Thanks! Looks like I managed to cross up the...

    Thanks! Looks like I managed to cross up the initial lettering in the model.

    However, it has hot surface ignition, not a standing pilot. It could have been modified I suppose?

    The plot...
  11. Thread: Rheem manuals

    by killer v
    Replies
    6
    Views
    1,006

    Rheem manuals

    I'm moving into a house with a Rheem RDGD-12EARJR. I can't find information about this furnace anywhere online. I've submitted a request through the Rheem website, but haven't heard anything back...
  12. The motor will surely be replaced, but I'd like...

    The motor will surely be replaced, but I'd like to know what might cause this for my own knowledge.

    Thanks for all the replies!
  13. Now I see what you were saying. The motor is...

    Now I see what you were saying. The motor is definitely running backwards though. The one time I was there, we isolated it and I gave it a spin in the correct direction. My partner pushed in the...
  14. Well, as I said, I'm a new apprentice...you lost...

    Well, as I said, I'm a new apprentice...you lost me at "giving the illusion of running backwards." It's definitely running backwards...sucking air instead of blowing.

    Are you trying to say that...
  15. Further info: motor is 460, single phase. ...

    Further info:

    motor is 460, single phase.

    The tech today tried reversing the start and run wires on the capacitor with no change in rotation. He once again moved the wires to another fan and...
  16. Single phase condenser motor running backwards

    Forgive my lack of detail as I'm not the one working on the system (and am a new apprentice)...

    The basic situation is that we have a single phase condenser fan rotating backwards. The fan blade...
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