Honeywell CT2400 Owner's Manual - Page 12

- COOLING To avoid possible compressor damage, do not operate the cooling system when outside temperature is below 50° F [1 O" C]. See compressor manufacturer instructions for further information. NOTE: When cooling setting is changed, thermostat may delay up to five minutes before turning on the air conditioner. This delay protects the compressor. Move the system switch to COOL and the fan switch to AUTO. Temp Coolar n Temp Warmer n 26 Press key until setting is about 10° F [6° C] below room temperature. The cooling equipment and fan should start. Press key until the setting is about 10° F [6° C] above room temperature. The cooling equipment and fan should stop. Move the system switch to OFF with the fan switch still at AUTO.. . The system and fan should be off. _ Set First set the fan switch. The Fan And System Switches ,tio on FAN AUTO: Normal setting for most s r homes. A sinale-sDeed fan will turn on ~ automatically-with'air conditioner or furnace. A two-speed fan will usually run on high with air conditioner and on low with furnace. Exception: When Fan Operation Switch on back of thermostat is set to "E" position (see page 16), fan will operate with furnace only. FAN ON: The fan runs continuously. Auto On Use for improved air circulation during ~ special occasions or for more efficient electronic air cleaning. (In a heat-only system, fan will run continuously only when fan relay is connected to the thermostat.) 27 Then set the system switch. COOL: The thermostat controls your air conditioning system. Cgol OJ Hgat OFF: Both the heating and air conditioning systems are off. HEAT: The thermostat controls your heating system. C:ol 0/ H~at 28