11
41956-01
Air Purifier Maintenance
6. Install the grill back onto the unit. First, line up the tabs on the bottom of the
grill with the openings on the purifier base and then push the top of the grill
forward until it is closed.
7. Plug in the air purifier. NOTE: This unit will not operate unless the grill is in the
correct position.
8. Finally, reset the Pre-Filter Counter by pressing the PRE-FILTER RESET key for 2
seconds. The Pre-Filter Counter will return to 100% and the Pre-Filter indicator
will stop flashing.
Cleaning the Filter
The PermaLife™ Filtration System uses a cleanable filter that never has to be changed,
only cleaned. When the filter exceeds 2800 hours (approximately 4 to 6 months of use),
the Cleanable Filter Life Counter will display 0% life remaining and the Cleanable Filter
indicator will flash (refer to Filter Life Counters for additional information, pg. 8). This is a
reminder that you should check the filter and clean if necessary. The proper time to clean
the filter depends on usage and the environment. Use the following list to help determine
if the filter should be cleaned:
• Compare the color of the filter to the color coded chart on the inside of the housing. If
the filter color matches the darkest color on the chart, you should clean the filter.
• If you notice a decrease in air output or an increase in noise at any time during normal
operation, the filter may be clogged. Clean the filter to return to normal operation.
To clean the filter and reset the Cleanable Filter Life Counter:
1. First, turn off and unplug the air purifier.
2. Next, remove the front grill. Place your fingers under the handle on the grill
and pull forward, then up. Refer to Figs. 4 and 5 (pg. 6).
3. Gently pull on the filter to remove it from the unit. While removing the filter, note
the directional arrows printed on the top of the filter. The filter will be reinstalled
with the same orientation.
4. The label on the top side of the filter points to the side that should be cleaned.
With a vacuum cleaner and upholstery brush attachment, clean the filter until
all particles are removed. Do not use water or liquids to clean.
5. Install the filter with arrows pointing towards the unit. Press the filter firmly into
the air purifier. To avoid damaging the filter media, you should press on the
frame of the filter only.
6. Place the front grill back onto the unit. First, line up the tab on the bottom of
the grill with the recess on the purifier base and then push the top of the grill
forward until it is closed. NOTE: This unit will not operate unless the grill is in
the correct position.
Continued
