Any additional cooling of the refrigerant that takes place beyond this condensing temperature is called subcooling. Measure the liquid line temperature of the device. Measure the liquid line pressure of the device. Convert the liquid line pressure to the condensing temperature (also called the saturation temperature). Click to see full answer. Also know, what should my subcooling be?Generally speaking 10° – 12° of subcooling at the outlet of the condenser coil is most common but you must look for the proper design subcooling for the particular system you are working on. Some systems will require subcooling readings of up to 16° for maximum efficiency and capacity.Similarly, do you charge 410a as a liquid? R-410A refrigerant must be removed from the drum in a liquid state. If you are charging it into the low side of the system, remember that the liquid must be vaporized before it enters the suction line. Then, what should the subcooling be on a 410a system? While superheat indicates how much refrigerant is in the evaporator (high superheat indicates not enough, low superheat indicates too much), subcooling gives an indication of how much refrigerant is in the condenser. Subcooling on systems that use a thermostatic expansion valve (TXV) should be approximately 10F to 18F.What is subcooling in HVAC?The term subcooling also called undercooling refers to a liquid existing at a temperature below its normal boiling point. A subcooled liquid is the convenient state in which, say, refrigerants may undergo the remaining stages of a refrigeration cycle.
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