Hi, I'm new to this. I'm an electrician, I'm trying to be a refrigeration. My consultation is like sweeping a full refrigerator, I do not have nitrigene. My teacher says I can do it with a compressor. humidity pushing cleaning agent and then with r134a ,,, consult them if it is good or bad ,,, thanks

visit the channel of carlos panno on youtube there is much material that will help you a lot

Hi, I understand that you do not sweep with air .. It is dangerous. If with the gas refrigerant but in gaseous form it does not liquidate .. Greetings

you can do the sweeping with Freon, change the filter and again barriso with Freon and a goodwill half an hour at least, never air.