Airthereal B50 - Control Knob

3. Plug the unit into a
wall outlet. Resume
use initially using
maximum purification
output. Verify that
the unit is properly
operating. A blue
glow (corona) should
be visible inside of
the PURIFICATION
OPENING. Once
proper operation is
verified, adjust the
CONTROL KNOB
appropriately.
Do not operate the unit unless it
is completely assembled.
There are no user-serviceable
parts inside the unit.