Hunter-fan HEPATECH 30057A User Manual download pdf (Page 4)

Operating Your Air Purier

On/Speed Control: Rotate the Speed Control knob to set the desired

speed. A setting of zero (0) indicates that the unit is off, one (1) is low speed,

two (2) is medium speed, and three (3) is high speed. The fan speed can be

adjusted at any time.

Ionizer: Press this button to turn ‘on’ the ionizer. When the ionizer is ‘on’,

the green light near the button will be illuminated.

Pre-Filter and Filter Timers

This air purier contains timers that indicate when the pre-lter and lter

should be changed. The timer automatically counts the number of hours that

each lter has been in use. When the pre-lter counter reaches 1400 hours

(approximately three months of use), the pre-lter indicator will be lit to show

that the pre-lter should be changed. When the HEPAtech

lter counter

reaches 2800 hours (approximately four to six months of use), the HEPAtech

lter indicator will be lit to indicate that the lter should be changed. The exact

life of the pre-lter and lter will depend upon the environment. If necessary,

the lters should be changed more frequently.

To reset the pre-lter or lter timers when one indicator (or both) is

lit:

1. Change the lter and/or pre-lter as described in the Maintenance

section of the manual.

2. To reset the counter to zero hours and turn off the indicator, simply press

and hold the lter reset key for three seconds. If both the pre-lter and lter

indicators are lit, the reset key will rst turn off the pre-lter indicator. Then,

you must release the reset key and then press and hold the lter reset key

again for three seconds to turn off the lter indicator.

To reset the pre-lter or lter timers before the indicators are lit:

In some environments, you may want to change the pre-lter or lter more

frequently than indicated by the lter indicators. This procedure allows you to

reset the pre-lter or lter counter before the indicators are lit.

1. Change the lter and/or pre-lter as described in the Maintenance

section of the manual.

2. Now, you must choose which timer you want to reset. Press and hold the

lter reset key (approximately three seconds) until the pre-lter indicator

ashes. Press the reset key again to alternate between the two indicators.

The timer that will be reset is designated by the ashing indicator.

3. Once you have the correct indicator ashing, press and hold the reset key

for three seconds to reset that timer to zero hours. The indicator will stop

ashing when it has been reset. If needed, repeat these steps to reset the

other timer.

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Hunter-fan HEPATECH 30057A User Manual Page 4