@ahsanonline after putting the seal he used the compressor to pressurize the lines and check for a leak and after no leak found he then vacuumed the lines.
but other steps like switch off and 15 min was not done as he filled the gas after turning the AC on.
any how i know he wont do the steps even if i explain to him, so my question is if i let it run like this is there a problem? i can live with the 1 min delay cooling, because once it start cooling it works perfectly.