Air Conditioning Txv Valve

Txv thermostatic expansion valve air conditioning systems contain a receiver drier that cleans and absorbs moisture from the refrigerant.

Air conditioning txv valve.

Service technicians often confuse an undercharged system with a restricted metering device. The symptoms of a system with a restricted thermostatic expansion valve txv are very similar to those of a system with a refrigerant undercharge. If the drier becomes saturated with moisture it releases it at the hottest times of the day. Although often described as a thermostatic valve an expansion valve does not.

It is now extremely important for the hvac technician to understand the design and operation of this type of valve. An expansion valve also called a tvx valve regulates the flow of refrigerant inside of a cooling system. This moisture freezes in the expansion valve and deprives the evaporator of refrigerant. If your air conditioner isn t cooling your house or car properly it may be low on refrigerant or it may have a faulty expansion.

Since the minimum efficiency regulation changed to 13 seer in january 2006 most oem systems now incorporate a thermostatic expansion valve txv style metering device as the standard for air conditioning systems. There are many components to an air conditioning system including the compressor condenser evaporator and thermal expansion valve or txv. It uses a sensing bulb or disc that opens or closes the diaphragm to allow the refrigerant to pass through. A thermal expansion valve causes the air conditioner to operate more efficiently.

Air conditioning systems are often located in homes and vehicles.