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Home » Keywords: » TXV (thermostatic expansion valve)
Items Tagged with 'TXV (thermostatic expansion valve)'
At one time or another, every technician has run into a refrigeration system that is not functioning properly. The question then becomes how to diagnose and determine if the problem is the TXV.
One of the worst enemies of a compressor is liquid refrigerant, so technicians should make sure the refrigeration system has proper superheat in order to protect the compressor from damage that can occur from flooding or slugging.
Proper evacuation of a refrigeration system is an important part of repairing or installing a unit, and the gas ballast in the vacuum pump helps improve the process.
Technicians need to make sure that the TXV is not underfeeding refrigerant to the refrigeration or air conditioning system due to a restriction, which can be caused by a number of factors.
Making sure the TXV is metering the right amount of refrigerant into the evaporator and is not overfeeding the coil is one way technicians can help their customers’ refrigeration and air conditioning systems operate safely and more efficiently.
Liquid line restrictions cause the evaporator, compressor, and condenser to be starved of refrigerant, causing performance problems in refrigeration systems.
As the old saying goes, an ounce of prevention is worth a pound of cure. This is especially true when a replacing a thermostatic expansion valve (TXV).