1.Press MENU button for displaying main button
2.Press OTHER button for displaying other button
3.Press INFO to inquiry for the count back change filter time
4.When “Chg Filter” is displayed, RESET button will be shown when inquiry for count back time. Press
RESET and then press DOWN to reset the timer. This resets the timer and starts counting the hours until the
18. Select UV lamp replacement run time
This is the reminder to change UV lamp. Select UF means you have canceled the feature. Select UO starts to
counting for 0 day to 400 day. The thermostat will display “Chg UV” when UV time (400 days) has expired. You can
check the duration run time and clear it by following step
1.Press MENU button for displaying main button
2.Press OTHER button for displaying other button
3.Press INFO to inquiry for the UV duration time. If displays shows the counter back time of filter change
replacement. Press INFO again, UV duration time will appear.
4.When “Chg UV” is displayed, RESET button will be shown when inquiry for UV lamp duration time. Press
RESET and then press DOWN to reset the timer. This resets the timer and starts counting the duration days
19. Selection of time scale
Select 12 for 12 hours display for time clock and select 24 for 24 hours display for time clock
1: Outdoor sensor (display only). Assuming 1 is selected, if an optional outdoor sensor is installed, INFO will display
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