When your
Pre-filter Indicator Light
turns on, it’s time to replace your pre-filter. It should
be replaced at least every 3 months. If there are heavy concentrations of odors, smoke, or
large particles in the home, you may need to change the carbon pre-filter more often. For
instructions on how to replace your pre-filter, refer to section “Removing/Changing the
Filters” in this manual.
Note: We do not recommend operating the air purifier without the carbon pre-filter.
Intelli-Check
™
Filter Indicator:
Models 50150, 50200, 50250, 50300 Series
(continued)
Reset Filter Indicator/Turn Light Off:
Models 50150, 50200, 50250, 50300 Series
HE
PA F
ILTER
PR
EFILT
ER
I
II
0
III
Fig 1
To Reset Filter Indicator
•
Once the filter has been checked and cleaned or
replaced as needed, the filter indicator will need to
be reset.
• With the unit powered on, press and hold the
appropriate filter indicator button down for
approximately 10 seconds until the light turns off
(Fig. 1).
CAUTION: DISCONNECT FROM POWER SUPPLY BEFORE SERVICING
Do not attempt to wash either the carbon pre-filter or the HEPA filter. They are not
washable and washing will damage the filters.
The only two parts requiring any service are the carbon pre-filter and the HEPA filter.
No tools are needed. To remove or change either filter, disassemble the unit as shown
below:
Step 1:
Turn the air purifier off and unplug from the wall outlet.
Step 2:
To open, gently place the air purifier on its side and unscrew the locking
mechanism located on the bottom of the unit (Fig. 2).
Step 3:
Remove the base assembly from the air purifier.
Fig. 2
Fig. 4
Fig. 3
Removing/Changing the Filters
50000 series OM EFS.qxd 8/4/05 4:18 PM Page 5
