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PART II AIR CLEANING TECHNOLOY OF THE UNIT

2-6

ENGLISH

Fig. 2.2-4 Cleaning the cell.
After cleaning, make sure to dry the cell
thoroughly before reinstalling. If the cell is wet,
it can cause the check unit indicator light
flashing or breakdown of the cell and unit.

Ozone generation of the cell

Electronic cell generates a small amount of ozone, about 0.005 to 0.010
parts per million (ppm). The amount is highest when the cell is new. The
average person can detect the odor of ozone in concentrations as low as
0.003 to 0.010 ppm. The U.S. Food and Drug Administration and Health and
Welfare Canada recommend that indoor ozone concentration should not
exceed 0.050 ppm. As a comparison, the outdoor ozone level in major cities
is sometimes higher than 0.100 ppm. If desired, the ozone generated by the
air purifier can be reduced by cleaning the cell, replacing the carbon filter or
adjusting the high voltage power supply to produce a lower high voltage
output. However, the adjustment of the power supply will reduce ozone
production but will also reduce air cleaning efficiency. See Fig. 2.2-5.

Discoloration of the cell

Occasionally, after the cleaning process, the cell may seem stained. If the
stain is black or very dark, it is probably detergent residue and should be
rinsed off at once. If yellowing appears, it is probably stain from tobacco or
other smoke. The yellowing does not affect air cleaning efficiency. Use
ammonia based or butyl based detergent to clean tobacco tar and other
smoke residue from the collector plates.

Cleaning the electronic cell

In order to keep the air purifier operating at peak efficiency, it is important to wash the electronic cell regularly.
Washing frequency will vary depending on the air quality where the unit operates. If the air is of very poor quality, the
efficiency of the cell will degrade rapidly, and may necessitate weekly cleaning. Under normal operating conditions, the
cell should be cleaned every one to three months. When you hear frequent sparking sound from the cell you will need
to clean the cell immediately. Use the wash reminder schedule mounted on the repair cover of the unit to help
establish and maintain a regular cleaning schedule.
The electronic cell can either be submerged in a bathtub or other suitable container and rinsed, or it can be washed in
an automatic dishwasher.

Voltage output
adjustor

Fig. 2.2-5 Adjust the high voltage
output by rotating the adjustor with
plastic screwdriver.

1. When cleaning the cell, wear rubber gloves to avoid detergent contact with skin.
2. When cleaning be careful not to cut your hands on the ionizing wire. (Wearing rubber gloves is safer.)
3. Be careful not to snag or cut the ionizing wire. If the ionizing wire is cut, replace it immediately. If the unit
is operated with the ionizing wire cut, there will be no dust collection.
3. Slide in the cell so the airflow arrow points toward the machine.
4.

After cleaning, make sure to dry the cell thoroughly before reinstalling.

WARNING

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