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  1. Checking superheat or sub-cooling or figuring coil temperature on R-407c is different and can be confusing with the many chart styles and big a temperature glide. Look at the three charts …

  2. Discharge Superheat - HVAC-Talk

    Dec 2, 2024 · discharge superheat is one of my favorite topics and checks. it is the sum accumulation of the entire refrigeration system. but, at the end of the day, it isn't a directly …

  3. Sometimes referred to as compressor superheat, total superheat consists of evaporator superheat plus suction line superheat. A technician can measure total superheat by placing a thermistor …

  4. What is normal R22 superheat? - HVAC-Talk

    May 30, 2011 · The correct answer is that there is no "normal" superheat. Even if the system is TXV metered, the superheat could be vastly different from one system to the next. If it is a txv …

  5. Discharg Super heat - HVAC-Talk

    Dec 4, 2005 · Discharge superheat is the temperature of the superheated gas leaving the compressor. just clamp your thermometer in the discharge line, 6" away from the compressor. …

  6. York Chiller Low Discharge Superheat - HVAC-Talk

    Mar 13, 2014 · Can someone help us with a problem on a York YCAV0247PA46VABB air cooled chiller. We are experiences a low discharge superheat alarm. We have pulled the gas...

  7. Is subcooling the best way to charge 410a? - HVAC-Talk

    Aug 25, 2010 · Check the data plate or the table inside the cover for the subcooling for the specific model/tonnage. Make sure airflow is right, charge fixed orifice by superheat, TXV by …

  8. Correct superheat with a TXV - HVAC-Talk

    Jun 9, 2005 · This thread is in reference to residential split a/c units. I know with a TXV the charge should be checked and/or adjusted according to subcool. If working properly the TXV should …

  9. High superheat and subcooling - HVAC-Talk

    Jul 29, 2012 · High superheat and high subcooling often indicate a restricted metering device, since the evaporator would be starved and liquid refrigerant wouod be stacking up in the …

  10. superheat on r-404a - HVAC-Talk

    Jun 5, 2014 · The walkin box I'm working on, trying to achieve -10 F (which it never had problems achieveing in the past). All of a sudden decided to creep up 5 degrees. Here are the readings. …