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Vornado AC550 Air Purifier Manual

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10 English
AUTOMATIC DUST SENSING MODE
This feature monitors the air quality of the room to detect the
presence of particles, then adjusts the fan speed to improve air
quality to optimum conditions. Press the Automatic Dust Sensing
Mode Button to engage this feature. The screen will display the
animated Automatic Dust Sensing icon (shown above), to indicate
when this feature is active. The Dust Sensor will continuously
monitor the amount of airborne particles in the environment and
adjust the fan speed between Low, Medium and High as needed to
maintain optimum air quality. The Quick Clean speed is not utilized
when Automatic Dust Sensing Mode is enabled. Please note that
Automatic Dust Sensing Mode is overridden when Sleep Mode is
engaged to ensure the unit is providing a consistent, low noise level
during nighttime sleep.
WHEN TO USE:
This feature allows the unit to reduce energy usage when fewer
airborne contaminants are present in the room. Because active
people and pets tend to stir up airborne particles, the unit will tend to
increase speed during peak periods of activity in the room until lower
readings are obtained. This feature is ideal for rooms where activity
uctuates greatly based on the time of day.
Note: The Dust Sensor will need to be cleaned periodically. Please
refer to CLEANING AND MAINTENANCE.
SLEEP MODE SETTING
This feature senses no light or low light conditions, and automatically
adjusts the unit to low speed. Press the Sleep Mode button to
engage this feature. The Sleep Mode icon (shown above) will display.
Ideal for use in bedrooms. Higher and more powerful speeds may be
used throughout the day with lower speeds and minimal noise being
preferable at night.
Note: When in low light or no light, with sleep mode selected, the
unit will only operate at low speed. This will override Automatic Dust
Sensing Mode and high-speed settings. In regular light, the unit will
operate at the previous setting.
HOW TO USE
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