2012年4月4日 · With a txv Superheat should maintain 10-15 +5/-3, so 7-20 is tolarable. I shoot for somewhere in that range even with an orfice. Also you can always check your subcooling to …

2014年2月17日 · Subcooling also ensures that there is no flash gas at the expansion valve and it increases the capacity of the valve, in some cases allowing us to select a valve that is smaller …

2014年9月12日 · The tech just topped off the system but he charged $/lb and I'm just trying to figure out if he did it correctly since the pressure converted to temperature is the same as line …

2010年5月25日 · I'm familiar with subcooling and superheating (I think), and my understanding is that superheating is taking place at the evaporator and is controlled by the TXV. And I notice …

2009年8月10日 · To measure the subcooling you need to put temp. probe right before the metering device, typically the only time you need the subcool is if you are running a TXV …

2010年8月25日 · Bryant/Carrier 410a systems with a TXV have a subcooling of 8 to 16. Check the data plate or the table inside the cover for the subcooling for the specific model/tonnage. Make …

2024年6月8日 · Subcooling reduces the heat content of the entering liquid - so a greater percentage of the total available refrigerating-effect is available to cool the evaporator. That is …

2012年2月4日 · when TRANE came out with the first RTAAs they were all short and ran Bs to the walls on loaded starts..till feed back from the techs all over the place. the subcooling is the …

2014年6月19日 · They also have low subcooling because the receiver prevents liquid refrigerant from stacking up in the condenser as it does in a residential A/C unit. With an A/C unit you add …

2015年1月22日 · Some equipment have motorized Expansion Valves which allow them to run nearly 0F liquid subcooling (but they usually still need some because it is still a valve that was …