Suction pressure
300psi high side and 80psi low side
The Freon low pressure port is located on the passenger side of the engine near the back. It is made into an aluminum pipe connected to the ac hoses.
The high pressure side.
A pressure switch a valve that shuts off the unit when the pressure is to low or to high
Low pressure for R 410 is 118 psi
The low pressure (vacuum) side.
Many home AC units are sealed, and there is no way for a homeowner to add refrigerant.
Call a professional.
Many home AC units are sealed, and there is no way for a homeowner to add refrigerant.
20 low 265 high
The coil are responsible for transferring of cool air trough the unit
You should be able to find air ac unit for a reasonable price ac any home improvement store ie: home depot.com,lowes.com. Most of these stores give instructions on how to do a chore.