Attach the yellow hose to the refrigerant canister s valve and attach the other end to the middle valve connection on your gauge.
How to freon window air conditioner.
The low pressure hose is normally blue and is connected to the suction line the larger of the two pipes.
To recharge the refrigerant in your air conditioner first shut down your ac unit then follow the steps below.
With the service and tap valves now connecting the freon tank to the air conditioner what will happen is that the refrigerant will start flowing from the tank and into the unit.
While this task is usually performed by a refrigeration mechanic a lay person can complete it by purchasing a freon kit.
This will release air from the tube.
A bullet valve is simple to attach by using an allen wrench to tighten the screws on it which has a piercing valve that goes into the line.
Open the canister of refrigerant by twisting the spout on the bottom.
It is usually attached to the refrigerant low pressure line.
There will be a small knob on the bottom of the refrigerant canister.
Twist it several times to open the refrigerant.
Window air conditioners do not usually have a service port which is easily fixed with a low cost bullet valve.
Then turn on your window ac unit and ramp it up to its highest power setting.
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.
Turn on the air conditioner to high for a few minutes and then connect the yellow tube to the freon bottle.
Loosen the yellow tubing at the gauge for just a second and then tighten it back up.