
7. Maintenance and Replacement
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7. Maintenance and Replacement
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Particle sensor is…
Particle sensor detects fine dust going around from carpet, cigarette smoke and blanket etc. and send
signal to the controller to indicate how polluted indoor air is. Pollution level is displayed by lamp color.
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Cleaning work is recommended every month.
7-5 Particle sensor cleaning
①
Plug out the power.
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Do not touch with wet hands.
②
After taking off the cover of particle sensor/
humidity sensor on the right upper side,
eliminate dust with soft brush.
③
After cleaning the lens on the upper left side with wet cotton swab and
then, get rid of moisture with dry cotton swab.
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Be careful not to drop the water inside the particle sensor.
④
After cleaning up, assemble it in reverse.
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While cleaning, beware not to make damage of particle sensor.