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43010-01 12
Air Purier Maintenance
Fig. 11
PREFILTER
HOOK
TAPE
HOOK
TAPE
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 purier base and then push the top of the grill
forward until it is closed. Refer to Figs. 6 and 7 (pg. 7). NOTE: This unit will not
operate unless the grill is in the correct position.
7. Plug in the air purier.
8. Finally, reset the Pre-Filter Counter by pressing the PREFILTER RESET key for 2
seconds. The Pre-Filter Counter will return to 100% and the Pre-Filter indicator
will stop ashing.
Changing the HEPAtech
®
Main Filter
When the HEPAtech
®
Main Filter exceeds 2800 hours (approximately 4 to 6 months of use),
the HEPAtech
®
Main Filter Indicator will turn on as a reminder that you should replace the
lter. Refer to Filter Life Counters for additional information, pg. 9. This is a reminder that
you should check the lter and replace it if necessary. The proper time to change the lter
depends on usage and the environment. Generally, if you notice a decrease in air output
or an increase in noise at any time during normal operation, the lter may be clogged.
Replace the lter to return to normal operation.
To change the lter and reset the Filter Life Counter:
1. First, turn o and unplug the Air Purier.
2. Next, remove the Front Grill. Place your ngers under the Grill Release Handle
and pull up. Refer to Figs. 4 and 5 (pg. 6).
3. Lift the Filter Tab and gently pull the lter out of the unit. Refer to Fig. 6. While
removing the lter, note the lter’s orientation - the new lter will be installed
with the same orientation. Refer to Fig. 10. Once removed, the used lter can
be discarded. While removing the lter, note the directional arrows printed on
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