Loosen the yellow tubing at the gauge for just a second and then tighten it back up.
Put freon window air conditioner.
While this task is usually performed by a refrigeration mechanic a lay person can complete it by purchasing a freon kit.
It s possible to add freon to your air conditioner unit yourself but you ll need some general knowledge about acs and a few specific tools to do it correctly.
The process can be dangerous so hire a qualified professional if you feel unsure about what to do.
Recharging the refrigerant on a window air conditioner is not something done often with most people buying a new unit when an old unit fails.
Open the freon valve.
Turn on the air conditioner to high for a few minutes and then connect the yellow tube to the freon bottle.
Adding freon to a window air conditioner involves cleaning the air conditioner attaching a new freon container and allowing it to intake new freon until the container is drained.
Windows air conditioners can however be recharged with refrigerant and be put back to work cooling a room or space.