User manual SHARP FU-21SE

[. . . ] The unit controls the ratio of minus cluster ions and plus cluster ions depending on the condition of the room. Minus ions are ions that can be found the most in the natural environment such as near waterfalls, etc. Apatite filter with excellent anti-virus character captures virus and Nox. Some of the odor ingredients adsorbed by the filters become separated and are discharged through the exhaust port as odor. [. . . ] ⷠLarge dust such as pollen and house dust accumulate at the bottom of the room. , behind the exhaust port may become dirty as time passes. When using the unit for extensive period in the same location, use a vinyl sheet, etc. , to prevent the wall from becoming dirty. In addition, periodical clean the wall, etc. (Lights when the power plug is inserted into the wall outlet) It can't detect pollen and dust without smell. Clean-sign lamp The color changes when the air is dirty Clean (green) Little dirty (orange) Very dirty (red) The dirt sensor displays a clean sign depending on the relative change of the environment at the time the power plug is inserted in the wall outlet and after. ⷠWhen the air is extremely dirty at the time the power plug is inserted, the dirt sensor display may light green since the polluted state is the environment which the sensor bases the pollution rate on. (Used to select operations or turn the unit off) When the cluster ion operation is in the Clean mode or AUTO cluster ion mode and the air in the room is dirty, the light turns on and the unit will operate in the Clean mode. When the cluster ion operation is in the Refresh mode or AUTO cluster ion mode and the air in the room is dirty, the light turns on and the unit will operate in the Refresh mode. If the lamp is bright when sleeping, or if the ion generation noise is irritating, turn off the cluster ion operation. Be sure to remove the power plug from the wall outlet. To maintain the quality of the filters, they are installed in the main unit within polyvinyl bags. Be sure to remove the filters from the polyvinyl bags before using the unit. Bring up both sides of the front panel bottom to remove the front panel. 1 Place the unit facing up and remove the front panel 2 Remove the filter support Two tabs are pinched, and it is lifted to remove it. Take caution of the following when handling: · When replacing the batteries, replace both batteries with new ones of the same type. When not using the unit or remote control for an extensive period, remove the batteries. This prevents malfunction of the remote control from battery fluid leakage. * The included batteries are for initial use only and may deplete before 1 year. Proper operation cannot be achieved when installing the filter backwards. Make sure the tabs on the HEPA filter remain visible. [. . . ] Doesn't need to take care of HEPA filter. Deodorization filter About 2 years after opening About 2 years after opening The replacement period is defined as when smoking 10 cigarettes per day and the dust collection/deodorization power is reduced by half than that of new filters. The replacement period differs depending on the usage hours and location of installation. Depending on the usage environment, odor may be noticed from the exhaust port in several months. [. . . ]