Aug 10, 2013 · Units manufactured after 7/09 used this subcooling chart. Check out the 036 unit at 12 SC. Then Lennox updated the chart with this update on 5/13. Somehow a 036 unit goes …

Aug 11, 2009 · Subcooling can vary greatly compared to ssh, especially on commercial & industrial products. Sc is based on refrigerant, metering type, ll pressure losses, elevation …

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 …

Oct 29, 2005 · What is a good method to use when determining if you have too much or not enough subcooling. As the load indoors and the outdoor temperature changes how much …

Aug 25, 2010 · Finally came across 410a in the field. Is subcooling the only/best method for charging?I know I can't follow the 30 over ambient rule as with 22. Any simple rules to follow?

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 …

Aug 4, 2022 · Low subcooling is the result of the low superheat. The txv is wide open causing the low superheat. The low sc is because all the refrigerant is in the coil and the txv is open so you …

May 6, 2016 · Discussion on troubleshooting low suction and normal head pressures in HVAC systems, including refrigerant readings and potential causes of system issues.

Oct 30, 2002 · I attended a copeland seminar and puzzled by the statement that a higher subcooled liquid has more capacity then 10 degree subcooling liquid. I realize that heat is …

Sep 10, 2014 · Subcooling can also tell you if there are non condensables in a system, if your condenser is really clean, or if you have enough air moving across the condenser. You may …