User manual HONEYWELL T8501

[. . . ] The and keys make it easy for you to change your temperature setting. You can easily read the current room temperature at a glance. Batteries are not required because your temperature settings are held permanently in memory. Helps you read the display in a dark hallway. 2 69-1629­1 SETTINGS Setting SYSTEM and FAN Keys Change System and Fan settings with System and Fan keys inside thermostat door. NOTE: Em. Ht. [. . . ] in the display when the auxiliary heating equipment operates. Displaying Temperature Setting NOTE: Your temperature setting can be set anywhere from 55° to 99°F (13° to 37°C). The temperature setting and the room temperature display separately. Press the or key to change current temperature setting. To change between the heat and cool setting, press the i key until the setting to be changed appears. Emergency Heat (T8511 Heat Pump Models Only) The Emergency Heat feature allows you to turn on the backup heat section of the system by moving the System switch to the Em. in the display when the system calls for emergency heat. Auxiliary Heat (T8511 Heat Pump Models Only) The auxiliary heaters assist the heat pump under normal conditions when low outdoor temperature occurs. The thermostat shows 4 Displaying Outdoor Temperature (Select Models) Pressing the Information i key once shows the outdoor temperature when an outdoor temperature sensor is installed. 69-1629­1 Changing Temperature Setting 1. To lower the temperature setting, press the key. When in the heating mode, lowering the temperature at night or during the day can lower your energy costs. INCREASE TEMPERATURE SETTING 2. To raise the temperature setting, press the key. When in the cooling mode, raising the temperature before you leave for work or school also lowers your energy costs. CAUTION Equipment Damage Hazard. Can cause permanent damage to compressor or other equipment. Do not operate cooling when outside temperature is below 50°F (10°C). See equipment manufacturer instructions. Allow compressor to remain off for five minutes before restarting. i DECREASE TEMPERATURE SETTING DISPLAY TEMPERATURE SETTINGS (INFORMATION KEY) M20274 5 69-1629­1 TROUBLESHOOTING GUIDE Symptom Heating or Cooling does not come on. Action Check that the System key on the thermostat is set to Heat or Cool. Check if the circuit breaker is tripped­reset the circuit breaker. Check if the fuse is blown­replace the fuse. Check power to the heating or cooling equipment. Adjust the temperature by pressing either the or key. Wait five minutes after seeing the flame or snowflake and check the registers again. [. . . ] Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state to state. 7 69-1629­1 If you have any questions concerning this warranty, please write our Honeywell Customer Relations, 1985 Douglas Drive North, Golden Valley, MN 55422. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. CUSTOMER ASSISTANCE If, after reading this guide, you have any questions concerning the operation of your thermostat, please visit www. honeywell. com/yourhome web site or call the information line at 1-800-468-1502. For service, contact your local heating and cooling contractor. Automation and Control Solutions Honeywell International Inc. [. . . ]