ResMed AirFit F20 Manual page 8

STEP 3
Preparing your
HumidAir
humidifier tub*
Snap open the lid of the water tub.
A
Fill with water to the maximum water
B
mark on the tub.
Close the lid until it snaps shut.
C
Gently push the water tub into the
side of the machine until you feel it
lock into place.
*If your machine does not have a humidifier, please do not put water in to the machine. Water should not go inside the
black outer housing.
6 ResMed equipment start guide
A
MAX
C
B
MAX
MAX