Honeywell 191108AJ Owner's Manual - Page 13

Setting Subbase Switches (if applicable) The subbase system switch controls system operation as follows: The subbase fan switch controls fan operation as follows: HEAT-Heating system is controlled by the thermostat. Cooling system is off. COOL-Cooling system is controlled by the thermostat. Heating system is off. OFF-Both the heating and cooling systems are off. If the fan switch is at the AUTO position, the fan is also off. ON-In cooling-only applications, only cooling will operate. In heating-only applications, only heating will operate. ON-Fan operates continuously. AUTO-Fan operates with cooling equipment as controlled by the thermostat or with the heating equipment as controlled by the plenum fan switch. In electric heat, heat pump and fan coil systems, the fan is controlled by the thermostat in heating and cooling. To switch positions, use thumb or index finger to slide the lever to the desired position. For proper circuit operation, switch lever must stop in detent over desired function indicator mark. 13 69-0643-1