41780-01 09/28/2011 11 ©2011 HUNTER FAN CO.
Fig. 9
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 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. To reset the counter to zero hours and turn off the indicator, simply press and
hold the PRE-FILTER RESET key for three seconds. Then, you must release
the reset key and then press and hold the pre-lter reset key again for three
seconds to turn off the lter indicator.
Changing the Filter
When the lter exceeds 2800 hours (approximately 4 to 6 months of use), the Filter indicator
will turn on as a reminder that you should replace the lter. (Refer to Filter Life Counters for
additional information, pg. 8.) This is a reminder that you should check the lter and replace
if necessary. The proper time to change the lter depends on usage and the environment. Use
the following list to help determine if the lter should be changed:
• Compare the color of the lter to the color coded chart on the inside of the housing. If the
lter color matches the darkest color on the chart, you should replace the lter.
• 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.
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