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Operation
Display Modes
Your air purifier has 3 display modes – Clock Display, Pre-Filter Display, and Filter Dis-
play. When the unit is running, the display also provides additional information about the
settings of the air purifier. The features for each mode and how to change modes is de-
scribed below.
Clock Display: The default mode of the unit is the Clock Display.
In this mode, the day indicator, time, and AM/PM indicator will be
lit. If military time has been chosen (See Setting Day and Time, pg.
12), the AM/PM indicator will not be visible.
Pre-Filter Display: This display shows the number of hours that
the pre-filter has been in use. In addition to the run hours, you will
see the Pre-Filter indicator. If the run hours have reached 2000 hours
(approximately 3 months of use), the Pre-Filter indicator will flash
to show that the pre-filter should be changed. Refer to Filter Run-
Time Counters for additional information (pg. 11).
Filter Display: The Filter Display mode tells you how many hours
the filter has been in use. In addition to the run hours, you will see
the Filter indicator. If the run-hours have reached 8000 hours (ap-
proximately 1 year of use), the Filter indicator will flash to remind
you to check the filter. Refer to Filter Run-Time Counters for more
details (pg. 11).
Changing Display Mode:
1. To toggle from Clock Display to Pre-Filter Display to Filter Display, press the
DISPLAY key.
2. The DISPLAY key is active any time that the display is visible.
When the air purifier is turned on, the following features are also shown. If the unit is turned
off by the On/Off key, these features are not displayed.
• Speed Indicator to show blower setting (0, 1, 2, or 3).
• Animated Blower Wheel will rotate when blower is on.
• Control Mode is indicated by AUTO or MANUAL.
•The Current Program number is visible when the unit is in Auto Mode.
Fig. 11
Clock Display
Fig. 12
Pre-Filter Display