Robertshaw RS9220 Operation Manual page 5

1 LCD Screen
See page 4 for detailed
information.
2 Fan Switch
Select ON or AUTO. ON will
run the fan continuously.
AUTO will cycle the fan when
the heating or cooling system
is running.
3 System Switch
Selects HEAT or COOL for
your HVAC system. Selecting
HEAT turns on the heat
mode. Selecting COOL turns
on the air conditioning mode.
Selecting OFF turns both
heating and cooling off.
THERMOSTAT OPERATION
4 Temperature Set-Point
Buttons
Press
the desired temperature.
User Buttons
5
Use these buttons to set up
programming options.
or to select
3