Hunter HEPAtech 30721A, User Manual

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43010-01 12
Air Purifier Maintenance
Fig. 11
PRE-FILTER
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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. 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 purifier.
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.
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
filter. Refer to Filter Life Counters for additional information, pg. 9. This is a reminder that
you should check the filter and replace it if necessary. The proper time to change the filter
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 filter may be clogged.
Replace the filter to return to normal operation.
To change the filter and reset the Filter Life Counter:
1. First, turn off and unplug the Air Purifier.
2. Next, remove the Front Grill. Place your fingers 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 filter out of the unit. Refer to Fig. 6. While
removing the filter, note the filter’s orientation - the new filter will be installed
with the same orientation. Refer to Fig. 10. once removed, the used filter can
be discarded. While removing the filter, note the directional arrows printed on
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