Honeywell RTH6400 Series Quick Installation Manual page 16

Advanced Installation Guide
Function 1: System type
Press the or
s
of system you have in your home:
Done
0 Heating & cooling: Gas, oil or electric heating with
central air conditioning.
1 Heat pump: Outside compressor provides both
heating and cooling.
2 Heating only: Gas, oil or electric heating without
central air conditioning.
3 Heating only with fan: Gas, oil or electric heating
without central air conditioning. (Use this setting if
you could turn the fan on and off with a fan switch
on your old thermostat.)
Press to change setting. When
correct setting is selected,
press NEXT to display next
function.
M28351
69-2210ES—05
button to select the type
t
1
0
Next
14
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