Owner's Manual
Page 26
...) 4 Reminder after 90-day run time (about 9 months) 5 Reminder after 120-day run time (about 1 year) 6 Reminder after 1 year Note: Press RESET to change the furnace filter. Press s/t to set the desired reminder interval: Options: 0 Off (no reminder to change humidifier pad) 1 Reminder after 3 months ...2 Reminder after 6 months 3 Reminder after 365-day run time (about 3 years) Note: Press RESET to cancel the alert Humidifier pad change reminder Function 0510 This feature displays an alert to remind you to change the humidifier pad.
...) 4 Reminder after 90-day run time (about 9 months) 5 Reminder after 120-day run time (about 1 year) 6 Reminder after 1 year Note: Press RESET to change the furnace filter. Press s/t to set the desired reminder interval: Options: 0 Off (no reminder to change humidifier pad) 1 Reminder after 3 months ...2 Reminder after 6 months 3 Reminder after 365-day run time (about 3 years) Note: Press RESET to cancel the alert Humidifier pad change reminder Function 0510 This feature displays an alert to remind you to change the humidifier pad.
Owner's Manual
Page 27
...174; TH8000 Series ENGLISH UV lamp change reminder Function 0520 Options: This feature displays an alert to remind you to change UV lamp) Note: Press RESET 1 Reminder after 1 year to cancel the alert Program schedule periods Function 0540 Press s/t to set the number of program periods: Options: 2 Two ...format Function 0640 Press s/t to set the clock display format: Options: 12 12-hour clock (i.e., "3:30 pm") 24 24-hour clock (i.e., "15:30") Screen lock Function 0670 Press s/t to change the ultraviolet lamp. Press s/t to set the desired interval: 0 Off (no reminder to choose...
...174; TH8000 Series ENGLISH UV lamp change reminder Function 0520 Options: This feature displays an alert to remind you to change UV lamp) Note: Press RESET 1 Reminder after 1 year to cancel the alert Program schedule periods Function 0540 Press s/t to set the number of program periods: Options: 2 Two ...format Function 0640 Press s/t to set the clock display format: Options: 12 12-hour clock (i.e., "3:30 pm") 24 24-hour clock (i.e., "15:30") Screen lock Function 0670 Press s/t to change the ultraviolet lamp. Press s/t to set the desired interval: 0 Off (no reminder to choose...
Owner's Manual
Page 28
Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on at a low level, and brightens when a key is battery powered, make sure ...fresh AAA alkaline batteries are correctly installed (see page 25). Make sure heating and cooling temperatures are correctly installed (see page 20). • If thermostat is AC powered, a dim display is not locked (see page 20). No response to key presses (or temperature will not change) • Check to make...
Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on at a low level, and brightens when a key is battery powered, make sure ...fresh AAA alkaline batteries are correctly installed (see page 25). Make sure heating and cooling temperatures are correctly installed (see page 20). • If thermostat is AC powered, a dim display is not locked (see page 20). No response to key presses (or temperature will not change) • Check to make...
Owner's Manual
Page 29
... the programmed fan setting. does not respond • Press SYSTEM to set system to Heat. Auto indicates the thermostat is set cooling system higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure power switch at the same time • This is on . • Make sure...
... the programmed fan setting. does not respond • Press SYSTEM to set system to Heat. Auto indicates the thermostat is set cooling system higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure power switch at the same time • This is on . • Make sure...