Charging TXV Systems

(The content of this post is intended for consideration by trained service personnel only)

Somewhere in a previous post there is some discussion and pics relative to charging heat pumps in the cool cycle. The method of charging depends on the metering device feeding the evaporator coil. Fixed orifice systems have to be charged by the superheat method, TXV systems by the subcooling method. The video below illustrates charging by the subcooling method…

You can get more explanation of heat pump charging details in the refrigerant system video for rent:

Troubleshooting Heat Pump Refrigerant Systems

You can post questions and get answers from professionals here:

Hvac/R Professional.Com

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