Quick Facts: TXV Selection and Sensing Bulb Location
TXV SelectionHow do I select a TXV for a particular application?
In order to make an accurate thermostatic expansion valve (TXV) selection, it is necessary to match the flow rate (in tons) of the TXV to the tonnage rating of the evaporator coil. The following procedure is recommended:
Sensing Bulb LocationWhat is the correct position for the TXV sensing bulb?
The placement of the remote sensing bulb of the TXV onto the suction line is critical to proper TXV performance. The important points to follow are:
Quick Facts is courtesy of the Flow Controls Division of Emerson Climate Technologies (formerly Alco Controls). For more information, visit www.emersonclimatecontractor.com.
Publication date: 03/06/2006