Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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  1. SP=static pressure, measure of air pressure. It...

    SP=static pressure, measure of air pressure. It is used to determine restrictions in the airflow.
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    Try case parts. A glass company can make new...

    Try case parts. A glass company can make new window. Best use tempered glass
  3. You got it backwards. you want much more "cold"...

    You got it backwards. you want much more "cold" ratio to air flow, not less.

    Slow down blower speed will remove more moisture.
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    There is a great program that you can enter...

    There is a great program that you can enter parameters a it will tell you most probable area to investigate. Cannot remember, think "wayne somethink". But only refrigeration side and you really...
  5. Thread: heat load

    by timjimbob
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    watts X 3.26= BTUs

    watts X 3.26= BTUs
  6. SP measurements would have shown filter...

    SP measurements would have shown filter issues,which would show allergy filter was too restrictive-they always are causing air flow and draining problems. SP measurements need to be made.

    May be...
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    Non stop pefectly fine, safe, and designed to do...

    Non stop pefectly fine, safe, and designed to do that.
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    Hot wire blower and cycle CU with stat. Come...

    Hot wire blower and cycle CU with stat.

    Come back later, when you get part.
    Learn from this. Trane could care less a HO that have no heat in the middle of winter because the motor, control...
  9. Freon leak causes air flow to stop. If repairs...

    Freon leak causes air flow to stop. If repairs are too costly and you trust repair guy, consider replacing system.
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    maybe going bad motor caused the cap to fail.

    maybe going bad motor caused the cap to fail.
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    Usually we leave EMS issues with control...

    Usually we leave EMS issues with control contracting company. I really think that EMS design and troubleshooting is porposely kept secret so that only their vendors can repair them. It is nearly...
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    It si percentages. new oil and cleac condenser. ...

    It si percentages. new oil and cleac condenser. Only thing left to flush is evap and lineset.

    Maybe need to check to see if too much oil left in system from failed compressor. Will need to pull...
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    Total rplacement of CU is more a PR move but you...

    Total rplacement of CU is more a PR move but you also get clean condenser also and much more if it is a HP.
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    Warranty cover compressor #2? Good PR would be...

    Warranty cover compressor #2?

    Good PR would be to replace CU. Bet HO is pissed right now.
  15. Measuring oil quantity involves taking compressor...

    Measuring oil quantity involves taking compressor out. How was it determined that you need two oz.?
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    Both TXVs at 42 degrees. Same.

    Both TXVs at 42 degrees. Same.
  17. I have plenty of 35 year old system that function...

    I have plenty of 35 year old system that function fine. Kept clean and quickly identify funny noises. What fails are rusted drain pans. not much you can do to prevent that.

    These units are...
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    Am I the only one that still is wondering where...

    Am I the only one that still is wondering where the two TXVs are?
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    I apologize. I reread your post and you said...

    I apologize. I reread your post and you said FREEZER. I was thinking cooler. Pump down may be used, but you will need to interconnect wires.

    Need a schematic. I have worked of some freezers...
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    btus divide by wattage. will give your EER.

    btus divide by wattage. will give your EER.
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    May make sense that there may be no wiring...

    May make sense that there may be no wiring between outside condenser and insaide evaporator.

    Newbe may not understand how thermostat inside box can control the operation of the CU without any...
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    7 degree subcooling seems right. What is delta...

    7 degree subcooling seems right. What is delta inside?

    Sounds correct.

    Not familiar, why or where are the two TXVs?
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    P traps are used for change in elevation. How...

    P traps are used for change in elevation. How much higher on evap? Velocity will keep oil flowing.
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    BTU output . Is that your cooling BTUs? latent...

    BTU output . Is that your cooling BTUs? latent and sensible both
  25. And all should know, flipping blade around will...

    And all should know, flipping blade around will not change dirrection of air flow.
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