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operation
Filter Life Counters
The pre-filter and cleanable filter are critical to the proper operation of the air purifier. To
help you know when to change the filters, your Hunter air Purifier has Filter Life Counters
that will monitor the run time of the filters. although the exact life of the filters depends
on the environment, the table below gives typical usage times of the filters.
Table 2: Typical Usage Times of the Filters
Filter Type
Typical Usage
activated Carbon Pre-Filter
1400 hours
Cleanable Filter
2800 hours
The Pre-Filter and Cleanable Filter indicators will turn on when the pre-filter needs to be
replaced or the cleanable filter needs to be cleaned.
The values of the Pre-Filter and Cleanable Filter Life Counters are stored in the air purifier’s
memory. The unit may be unplugged and moved or stored without losing the Pre-Filter
and Cleanable Filter Counter values.
To properly track filter usage, the Pre-Filter and Cleanable Filter Life Counters should be
reset each time the filters are changed. Refer to Changing the Pre-Filter (pg. 10) or Cleaning
the Cleanable Filter (pg. 11) for instructions on how to reset the counters.
Resetting the air Purifier
In the unusual situation that the unit or the display is exhibiting erratic behavior, you may
want to reset the air purifier. If you still have problems after resetting the air purifier, please
contact Hunter for additional assistance (refer to Technical Support, pg. 14).
To Reset the air Purifier:
1. Unplug the unit for at least 30 seconds.
2. Plug the unit back in.
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