69-2718ES—01
50
System setup
(See page 48 for instructions.)
Function
Settings & Options
1
Select System
Type
If you are not sure
of your heating/
cooling system
type or have other
questions, go to
wifithermostat.com
0
Heat/cool:
Gas, oil or electric heating with central air conditioning.
1
Heat pump:
Heat pump without backup or auxiliary heat.
2
Heat only:
Gas, oil or hot water heat without central air conditioning.
3
Heat only with fan:
Gas, oil or electric heat without central air
conditioning.
4
Cool only:
Central air conditioning only.
5
Heat pump:
Heat pump with backup or auxiliary heating.
6
Heat/Cool Multiple stages:
2 heat stages (wires on
W
and
W2
), 2
cooling stages (wires on
Y
and
Y2
).
7
Heat/Cool Multiple stages:
2 heat stages (wires on
W
and
W2
), 1
cooling stage (wire on
Y
).
8
Heat/Cool Multiple stages:
1 heat stage (wires on
W
), 2 cooling stages
(wire on
Y
and
Y2
).
2
Heat Pump
Changeover Valve
(for heat pumps
only)
0
Cooling changeover valve:
Use this setting if you connected a wire
labeled “O” to the O/B terminal.
1
Heating changeover valve:
Use this setting if you connected a wire
labeled “B” to the O/B terminal.
69-2718ES_A.indd 50
8/13/2012 3:01:40 PM