User manual HONEYWELL RTH5100B

[. . . ] Do not operate cooling system when outdoor temperature is below 50 °F (10 °C). Service Needed Fan Auto CoolOn Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF OR COOL M22012 69-1722 6 Operate Your Thermostat (Cont) Set Fan Setting Press the Fan button to select Auto or On: Auto--Normal setting for most homes. The fan runs only when the heating or cooling system is on. Use this setting for improved air circulation or for more efficient air cleaning. Service Needed Fan Auto CoolOn Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON M22013 7 69-1722 Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired temperature setting. TEMPERATURE SETTING Replace Batt Service Needed PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING Cool Fan Auto System PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING TEMPERATURE SETTING RANGE: HEAT: 40°TO 90°F (4. 5°T0 32°C) COOL: 50°TO 99°F (10° T0 37°C) M22014 The first press of the Up or Down button turns on the backlight. The second press of the Up or Down button changes the temperature setting. 69-1722 8 Replace Batteries 1. When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries. REPLACE BATTERY INDICATOR Replace Batt Service Needed Fan Auto System Cool M22015 The thermostat does not lose any settings when the batteries are replaced; all settings are permanently stored in memory. 9 69-1722 Replace Batteries (Cont) 2. [. . . ] Check that the temperature settings are: · Heating 40°F to 90°F(4. 5°C to 32°C). · Cooling 50°F to 99°F (10°C to 37°C). · Set the system to Heat by pressing the System button. · Check the heat temperature setting to be sure it is set above the room temperature and "Heat On" shows solidly in the display. · Check the circuit breaker to be sure it is not tripped. · Check power switch at heating and/or cooling system to be sure it is on. · Check the furnace door to be sure it is closed securely. · Wait five minutes for the heating system to respond. · If all of this was checked, contact your local heating and cooling contractor. 69-1722 16 Troubleshooting Tips (Cont) If . · Set the system to Cool by pressing the System button. · Check the cool temperature setting to be sure it is set below the room temperature and "Cool On" shows solidly in the display. · Check the circuit breaker to be sure it is not tripped. · Check the power switch at the heating and/or cooling system to be sure it is on. · Check the furnace door to be sure it is closed securely. · Wait five minutes for the cooling system to respond. · If all of this was checked, contact your local heating and cooling contractor. Check Installer Setup Number 1, Heating and/or Cooling System Type; make sure the setting matches the installed heating and/or cooling system. Refer to Installation Instructions, 69-1716. Cannot set System setting to Cool. 17 69-1722 Troubleshooting Tips (Cont) If . "Heat On" is not shown in the display. Set the System setting to Heat and set the temperature setting above the room temperature. If "Heat On" is shown solidly in the display, but the heating system does not turn on, see "Heating system does not turn on" in theTroubleshooting Tips. Set the System setting to Cool and set the temperature setting below the room temperature. [. . . ] Check Installer Setup Number 1, Heating and/or Cooling System Type, and make sure the setting matches the installed heating and/or cooling system. Refer to Installation Instructions, 69-1716. Check Installer Setup Number 1, Heating and/or Cooling System Type, and make sure the setting matches the installed heating and/or cooling system. Refer to Installation Instructions, 69-1716. 69-1722 20 Customer Assistance For assistance with your Honeywell product please visit www. honeywell. com/yourhome or call Honeywell Customer Care toll free at 1-800-468-1502. [. . . ]