White Rodgers 1F92W-51 - Manual (Page 18)

18
5. Automatic Changeover from Heat to Cool
The battery maintains the stored program in the
event of a power failure. When attached to the wall
with 24 VAC power applied, the thermostat will
function normally without the battery. However, the
program will be lost in the event of power interruption
or failure if the battery is not installed. When power
is restored, the thermostat will automatically main-
tain a temperature of 64
°
F or a cooling temperature
of 82
°
F (factory preprogrammed) as needed.
3. Multi-stage (Fossil Fuel) System — up to 2
heat stages and 1 cool stage
4. Multi-stage (Electric Heat) System — up to 2
heat stages and 1 cool stage
ON
1 2 3 4
Switch #1
Switch #2
Switch #3
Switch #4 (see step 6) ON
OFF
OFF
ON
1 2 3 4
Switch #1
Switch #2
Switch #3 (see step 5)
Switch #4 (see step 6) ON
ON
ON
1 2 3 4
Switch #1 (see steps 1-4)
Switch #2 (see steps 1-4)
Switch #3 (see step 5)
Switch #4 ON
NOTE