User manual HONEYWELL T8635L

[. . . ] T8635L Microelectronic Communicating Programmable Thermostat USER'S GUIDE 1 69-1332-4 69-1332--4 CONTENTS USING THIS GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . KEYBOARD AND DISPLAY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] If the filter status is expired, press key three times to check current temperature setpoint, if equipped with outdoor sensor. key once to display current setpoint; press 60 Cool M17761 Press key twice to display current setpoint. Example display shows cooling setpoint of 75°. 22 69-1332--4 Filter Indicator Your thermostat monitors the time the fan is running and lets you know when to replace the filter, based on the number of fan run-time days you select. Upon expiration, the thermostat displays "Filter" and the green LED lights (on the top right of the thermostat). 70 80 60 90 90 System Em Heat AM Filter Tue Wake Fan Room DST Auto 70 80 One fan run-time day equals twenty-four hours of fan run time. For example, if the fan is on only one-third of the time each day, it takes three days to deduct one fan run-time day. FILTER EXPIRATION INDICATOR M17760 Setting or Resetting Filter Indicator Your thermostat comes preset to a 30-day setting. To change this setting, or reset after filter expiration: 1. Press Filter key to enter the Filter mode. Filter 60 Setting Filter Days M14577 Press the Filter key to display filter information. Example display shows current fan run time set to 30 days with the filter set to expire in 5 days. 23 69-1332--4 2. Press and hold the Filter key for at least three seconds to reset the fan run time. Filter Filter Days Setting M17762A Hold down the Filter key to reset the counter. 3. Press Time or Time until the desired number of days displays (0, 15, 30, 60, 90, or 120 ). TIME 4. Press Run Program key to return to normal operation. Run Program IMPORTANT To track the time the fan is running, you must select a setting other than 0 (0 means off). If the setting is 0 days, the display always shows "0 Days; 0 Setting" when the Filter key is pressed. 24 69-1332--4 LED Indicators Two light emitting diode (LED) indicators are located on the upper right side of the thermostat. The LED indicators are clear until lighted. When the right filter expiration LED indicator lights (green), see the Filter Indication section; when the heat pump check LED indicator lights (red), see the Troubleshooting section. The Check LED indicates a failure detected with the heat pump. and contact your heat pump service company for assistance. The LED indicators light on all thermostats. ZONING CHECK (RED) LED FILTER (GREEN) LED HEAT PUMP M13375 Temporary Remote OverrideTemperature Indicator The thermostat can communicate with a variety of system controllers. If the temperature was overridden remotely, a () is displayed and "Temporary" flashes. Mon System Heat AM Fan Heat Auto M17763 25 69-1332--4 SETTING THE CLOCK Setting Current Day and Time Seting the time and day at one thermostat automatically sets the time and day on all thermostats. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard. On initial power up or after an extended power loss, 1:00 PM flashes on the display until a key is pressed. Press Set Current Day/Time key. Set Current Day/Time Set Day/Time PM Mon M14580 Press Set Current Day/Time key to show information displayed. 26 69-1332--4 2. Press Day key until the current day displays. Day Set Day/Time PM 70 80 60 90 90 70 80 Mon = Monday, Tue = Tuesday, Wed = Wednesday, Thu = Thursday, Fri = Friday, Sat = Saturday, Sun = Sunday. 3. [. . . ] Outdoor sensor is connected incorrectly. The thermostat is unable to communicate with the equipment interface module located at the furnace. Action Contact installer or service technician. Turn the power off and then on to your furnace. If the problem persists, call your local heating and air conditioning dealer for assistance. [. . . ]