Gas Charging in Refrigeration/Air Condition System

You should work under the watchful eye of an experienced mechanic....there is much to learn, and it takes time.....

weigh it into the liquid line

Learn what you are supposed to do from someone who can watch you.

Anonymous forums are not for educating the uneducated.

You did talk to the Sales Engineer before buying, didn't you?

You did get a Service Manual with it, didn't you?

There is someone else there who knows what to do, isn't there?

And you still want to ask a bunch of strangers on the internet instead?

Sorry to say that your opening statement "...I am good in theory at AC/Refrigeration system...", is not supported by your question "...which part of the AC/Refrigeration I need to charge gas in liquid state and gas state...".

There are certain protocols about this that are available by merely searching the web, after you've done the basics you can come back here with specific questions, but ya gotta' do some work on your own on this and other questions that you're asking. The obvious lack of effort on your part is becoming far too obvious.

joganand,

Your existence is a total waste of the earths resources.