Honeywell CT2700 Owner's Manual - Page 6
Heating System, Cooling System, Fan Switch, System Switch - manual
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CT2700 AN ELECTRONIC ROUND ™ PROGRAMMABLE THERMOSTAT Hold Function To hold the thermostat at one temperature indefinitely, program both WAKE and SLEEP to the same temperature. 9 SET FAN AND SYSTEM SWITCHES Manually control fan and system settings using the switches located at the top of the thermostat case. See Fig. 11 for switch locations. SYSTEM SWITCH TEMPERATURE DISPLAY FAN SWITCH HEAT OFF FAN ON 10 CHECK OPERATION AFTER INSTALLATION/PROGRAMMING Heating System Slide the System switch to HEAT and the Fan switch to AUTO. Press and hold the key to raise the temperature several degrees above the room temperature to start the heating equipment. When using the thermostat with the fuel switch set to the E position for electric heat, the fan starts immediately. Press the key to lower the temperature setting below the room temperature. The heating equipment should stop. Cooling System COOL AUTO PM Set DECREASE SETTING INCREASE SETTING M12523 Fig. 11. CT2700 time/temperature display and system/fan switches. Fan Switch The FAN switch settings are: ON: The fan runs continuously. Use for improved air circulation. AUTO: Normal setting for most homes. In cooling, the fan starts and stops with the cooling equipment. In heating, the fan is controlled directly by the heating equipment and starts a few minutes after the heating equipment turns on (on most systems). When the thermostat fuel switch is set to the E position for electric heat, the fan starts and stops with the heating equipment. Slide the switch on the thermostat to the desired fan setting. System Switch The System switch settings control thermostat operation as follows: COOL: The thermostat controls the cooling system. OFF: Both heating and cooling are off. HEAT: The thermostat controls the heating system. Slide the System switch on the thermostat to the desired system setting. CAUTION Operating at too low of an outdoor temperature may cause compressor damage Damage to compressor possible. Do not operate cooling system if outdoor temperature is below 50°F (10°C). Refer to manufacturer recommendations. IMPORTANT Temporary protection delay protects compressor; the thermostat allows the compressor to remain off for five minutes before restarting. Slide the System switch to COOL and the Fan switch to AUTO. Press the key to lower the temperature setting several degrees below the room temperature to start the cooling equipment. Press the key to raise the temperature setting above the room temperature. The cooling equipment should shut down. Fan Slide the System switch to OFF and the Fan switch to ON. The fan should run continuously. CUSTOMIZE YOUR THERMOSTAT The following instructions provide the information neces- sary to change the heating cycle rate to match your heating equipment; choose Fahrenheit (°F) or Celsius (°C); and 12- or 24-hour clock. To exit at any time, press until End is displayed. 1. Enter Installer Setup a. Slide System switch to OFF position. b. Use the or SET keys to set AM the temperature setpoint to 52°F (11°C). 69-1085 6