8 69-0563—2
Setting Subbase Switches
(if applicable)
The subbase system switch controls system
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 a cooling only application, only cooling
operates. In a heating only application, only
heating operates.
The subbase fan switch controls fan
operation as follows:
ON—Fan operates continuously.
AUTO—Fan operates with cooling equipment
as contolled by the thermostat or with the
heating equipment as controlled by the
thermostat in heating and cooling.
To switch positions, use thumb or index
finger to slide lever to desired position. Switch
lever must stop in the detent over desired
function indicator mark for proper circuit
operation.