Advanced Installation Guide
Function 1: System type
Press the
or
s
of system you have in your home:
1
Done
0
Heating & cooling: Gas, oil or electric heating with
central air conditioning.
1
Heat pump: Outside compressor provides both
heating and cooling without backup or auxiliary heat.
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.)
4
Cool only: Central air conditioning only.
5
Heat Pump: Outside compressor provides both
heating and cooling with backup or auxiliary heating.
6
Heat/Cool Multiple Stages: Two heat stages (wires on
W and W2), two cooling stages (wires on Y and Y2).
7
Heat/Cool Multiple Stages: Two heat stages (wires
on W and W2), one
cooling stage (wire on
Y).
8
Heat/Cool Multiple
Stages: One heat
stage (wire on W), two
cooling stages (wires
on Y and Y2).
69-2416ES—05
button to select the type
t
0
Next
M28350
14
Press to change
setting. When
correct setting
is selected,
press NEXT to
display next
function.
M28351