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Operation
The display shows the percentage of life left since the counter was reset. NOTE: The per-
centage level drops in 5% increments.
The values of the Pre-Filter and Filter Life Counters are stored in the air purier’s memory.
The unit may be unplugged and moved or stored without losing the Pre-Filter and Filter
Counter values.
To properly track lter usage, the Pre-Filter and Filter Life Counters should be reset each
time the lters are changed or cleaned. Refer to Changing the Pre-Filter (pg. 11) or Clean-
ing the Filter (pg. 12) for instructions on how to reset the counters.
Locking/Unlocking the Keypad
Once you enter the desired speed, you may want to lock the keypad to prevent accidental
changing of the speed. When the keypad is locked, all keys will be disabled. If you press a
key, the Keypad Locked Indicator will be displayed on the screen for 1-2 seconds.
When the keypad is locked, the remote may still be used to adjust the speed or turn o
the air purier.
To Lock or Unlock the Keypad:
1. To lock the keypad, press and hold the OFF/SPEED and
TURBO keys simultaneously for 2-3 seconds. The Keypad
Locked Indicator will appear on the display. Refer to Fig.
9. After releasing the keys, the Keypad Locked Indicator
will disappear.
2. To unlock the key pad, press and hold the OFF/SPEED and
TURBO keys simultaneously for 2-3 seconds. The Keypad Indicator will disappear
and the keypad will be functional.
Filter Life Counters
The pre-lter and lter are critical to the proper operation of the air purier. To help you
know when to clean or change the lters, your Hunter Air Purier has Filter Life Counters that
will monitor the percentage of life your lter has left. Although the exact life of the lters
depends on the environment, the table below gives typical usage times of the lters.
Table 2: Typical Usage Times of the Filters
Filter Type Typical Usage
Activated Carbon Pre-Filter 1400 hours
Cleanable Filter 2800 hours
Fig. 9