20
DISABLING AUTOMATICDISABLING AUTOMATIC
DISABLING AUTOMATICDISABLING AUTOMATIC
DISABLING AUTOMATIC
CHANGEOVER MODE.CHANGEOVER MODE.
CHANGEOVER MODE.CHANGEOVER MODE.
CHANGEOVER MODE.
(Installer table step 13). This
thermostat, as configured at the
factory, provides automatic
changeover, which allows the
thermostat to switch between
heating and cooling to maintain
temperature. In this configuration,
when you press the SYSTEM
button, the thermostat will go
through HEAT-OFF-COOL-AUTO
modes (HEAT-EMER-OFF-COOL-
AUTO for heat pumps). Select
HEAT(-EMER)-OFF-COOL to
disable the automatic changeover
feature.
CHECK THERMOSTAT OPERATIONCHECK THERMOSTAT OPERATION
CHECK THERMOSTAT OPERATIONCHECK THERMOSTAT OPERATION
CHECK THERMOSTAT OPERATION
FAN OPERATIONFAN OPERATION
FAN OPERATIONFAN OPERATION
FAN OPERATION
If your system does not have a G
terminal connection, skip to
“Heating System” section.
1. Turn power on to the system.
2. Press PROGRAM
RUN
.
3. Press
FAN
until FAN ONFAN ON
FAN ONFAN ON
FAN ON is
displayed. The fan should begin
to operate.
4. Press
FAN
until FAN AUTOFAN AUTO
FAN AUTOFAN AUTO
FAN AUTO
is displayed. The fan should stop
operating.
HEATING SYSTEMHEATING SYSTEM
HEATING SYSTEMHEATING SYSTEM
HEATING SYSTEM
1. Press PROGRAM
RUN
.
2. Press
SYSTEM
until HEATHEAT
HEATHEAT
HEAT is
displayed. If the heating system has
a standing pilot, ensure that it is lit.
3. Press to adjust thermostat
setting above room temperature. The
heating system should begin to
operate.
4. Press to adjust tempera-
ture below room temperature. The
heating system should stop
operating.