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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Press Heat/Cool Settings key to change between heat and cool settings. Heat/Cool Settings 6. Press increase or decrease to adjust the temperature setting, if desired (for example, if cool is set at 84°, cooling equipment operates when the room temperature is above 84°F). To cancel the Vacation Hold before the designated time, press Run Program key at each thermostat. ZONING Pressed the wrong key?Run You can always press Program to return display to normal. 20 69-1332--4 Using the (Information) Key System Em Heat The (information) key provides information at your fingertips. The sequence of key presses is: · Outdoor temperature (if equipped). · Filter status. AM Fan Tue Wake Room DST Auto INFORMATION KEY M17757 If the filter status is expired, refer to Filter Indicator section, the sequence of · Filter status. · Setpoint of mode not currently in use. key presses is: Displaying Outdoor Temperature Press key once to display outdoor temperature (if equipped). 70 80 60 90 90 Outdoor 70 80 If the filter status is expired, press key twice to display outdoor temperature. See Filter Indicator section for instructions on resetting the filter indicator. 21 INFORMATION KEY M14835 Press key once to display the outdoor temperature. Example display shows outdoor temperature at 50°. 60 69-1332--4 Displaying Current Settings Press key twice to check the current temperature setpoint. Press ture setpoint of the mode not currently in use. 70 80 60 90 90 key three times to check the temperakey 70 80 Without outdoor temperature sensor, press twice for opposite setpoint. 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. 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. 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. [. . . ] Wait a minute after seeing the or and then check the registers. System on indicator-- for heat, for cool-- is lit, but no warm or cool air is coming from the registers. "Filter" is displayed and the green LED is lit. Heating/cooling equipment turns on the fan when the equipment has reached the preset time or temperature. Filter expired. Refer to the Filter Indicator section. The red LED is lit. The heat pump signaled the thermostat to indicate a problem. Move the System switch to Em. Ht setting (multistage heat pump only). See Heat Pump Operating Instructions or call your local heat pump dealer for assistance. continued 43 69-1332--4 Troubleshooting (Cont) Symptom Outdoor temperature not displayed or is incorrect. [. . . ]