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Type: Posts; User: Ford3517

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  1. Replies
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    Thermoelectric refrigeration utilizes the...

    Thermoelectric refrigeration utilizes the Pelleteir effect that results from applying DC voltage to a thermocouple. The Configuration produces one hot metal and one cold metal, reverse polarity and...
  2. I never said I was too lazy to change a valve. ...

    I never said I was too lazy to change a valve. However my boss once made me pay for a valve that I "tested", so I don't touch tem other than to change them. I am aware it is a safety issue thus

    ...
  3. I get what you are saying but the customer...

    I get what you are saying but the customer doesn't want to hear "I touched it and it broke". My point is what reason do you have to flip that switch when there are other ways to do it. However, if...
  4. I don't like to negotiate stairs more than...

    I don't like to negotiate stairs more than necessary so I would have went straight down stairs and jump red to white and let it go knowing it will go above the set point, therefore if you remove...
  5. Some people I work for use 15% and only allow me...

    Some people I work for use 15% and only allow me to use the same. Others use stay brite or either. Personally I pick the solder/ Braze for the job. I had to rebuild an evaporator for a vintage...
  6. I think I would have removed melted stuff, ohmd...

    I think I would have removed melted stuff, ohmd compressor, tested run cap, then inspected and or ohmd contactor. I would have proceeded to run the compressor to see if it was locked, if start cap...
  7. Thread: i'm 98%

    by Ford3517
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    153
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    25,049

    2% red screw driver

    2% red screw driver
  8. Replies
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    12,372

    Wow...

    Wow...
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    5,245

    [QUOTE=lilmiss;11331582] I have never seen an...

    I have never seen an Air conditioning unit with a TXV in the outdoor unit unless it was a heat pump. I have not seen every single system out there but if I see a TXV in the outdoor coil I am going...
  10. Replies
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    I would want to know if the contactor in question...

    I would want to know if the contactor in question is different than anything else you have seen. For example is this an exact same contactor as another one reading different resistance or is it a...
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    I treat the Customer how I would want to be...

    I treat the Customer how I would want to be treated. I call it like it is and the only time I look out for myself first is when I am faced with a situation that I could get sued for. If I diagnose...
  12. Replies
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    It doesn't matter that the service port is after...

    It doesn't matter that the service port is after the valve. I have pumped systems down with a solenoid valve leaving the service port open the gauge. I didn't believe my teacher when he said a...
  13. Replies
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    6,382

    From what I was taught and my experience, the...

    From what I was taught and my experience, the only restriction that should give you a high head pressure would be a compressor discharge line restriction. A restriction anywhere after the condenser...
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    kls-ccc is right, the first tool I bring with me...

    kls-ccc is right, the first tool I bring with me when I walk into a service call is a meter. My meter is equipped with a thermocouple so I can diagnose electrical problems and/or take temperatures...
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    I agree with the above statements. My...

    I agree with the above statements. My instructors always taught me that about 3/4 of all service calls are electrical. My experience has shown this to be pretty true. And my definition of an...
  16. Sticky: Just a little update about my path in the HVAC...

    Just a little update about my path in the HVAC field. I have just accepted a position as an Assistant Lab instructor at the school I just Graduated from. I Graduated with a 4.0 and I enjoyed...
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    Any time I work with capacitors that have been in...

    Any time I work with capacitors that have been in the system or even out for that matter, I always read voltage before anything else. Not only will this tell you if there is a potential shock hazard...
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    Welcome from a fellow new guy. I am interested...

    Welcome from a fellow new guy. I am interested in refrigeration system engineering as well, however I am still pretty low on the totem pole lol. I am just about to graduate an HVAC program and the...
  19. In school we were not even taught the method the...

    In school we were not even taught the method the OP posted. The only time my teacher and I charge any different than the manual states is when we use Enviro Safe. Then we charge by the refrigerant...
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    You could use this rule of thumb in the future. ...

    You could use this rule of thumb in the future.

    1hp per ton for A/C

    2hp per ton for medium temp coolers

    3hp per ton for low temp freezers

    so by judging from the model number I think it...
  21. Thread: fixing leak

    by Ford3517
    Replies
    1
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    705

    Click...

    ClickYou could try this stuff.

    So far I have used it to repair the suction line of a window unit, and evaporator in a refrigerator, and it is holding the liquid line together on my car with no...
  22. Not to be ignorant, however in school we were...

    Not to be ignorant, however in school we were taught that the last thing a technician should do is put the gauges on. Rule out all other problems because you always lose a little refrigerant each...
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    Typo in tech to tech forums

    This really isn't a glitch but at least in the tech to tech forums (both residential and commercial) the rules above the thread has a grammatical error.



    "removed to" should just be taken...
  24. Sticky: I am currently a student with five weeks left to...

    I am currently a student with five weeks left to graduate. I have learned a lot in school like Super-heat, Sub-cooling, enthalpy, Zeotropic refrigerant, Azeotropic refrigerant, Electricity, and too...
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    New Guy from Ohio!

    Hello all,

    I am a Student at ETI Technical College for HVAC. I have about five weeks until graduation and have maintained a 4.0 grade average thus far. I really enjoy learning new things and so...
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