Liquid Line Sight Glass purpose in HVAC System in Hindi

In This video i am Trying To Explain function of Liquid Line Sight Glass, Using in Refrigeration Air conditioning systems . sight glass protect the refrigeration system and provide an important indication of any problem involving the refrigerant, moisture, or contamination in the system. , a sight glass is usually fitted in the liquid line immediately after the filter drier., the sight glass can be fitted at any desired location on the liquid line. However, placing it close to the expansion valve is especially advisable.

a standard sight glass with an indicator also has a dual function. It monitors whether the moisture content of the refrigerant is within an acceptable range, and it indicates whether liquid refrigerant is always present at the expansion component. If the moisture content is OK, the indicator color is green and no further action is necessary.
If the indicator is yellow, there is a problem with the moisture content of the refrigerant.
Frothing in the sight glass indicates either a shortage of refrigerant or that the refrigerant in the liquid line is not entirely in the liquid state.
Standard sight glasses are available with solder fittings and flare fittings with male threads,

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Liquid Line Sight Glass purpose in HVAC System

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