Customize Your Thermostat - Honeywell CT3451 Owner's Manual

CT3451 PROGRAMMABLE THERMOSTAT
H o l d
T U E
Fig. 13. Installing batteries.
Restore power to the heating/cooling system.

8 CUSTOMIZE YOUR THERMOSTAT

Your Honeywell thermostat comes preset to the most
commonly used settings:
— Temperature (°F).
— Gas or oil forced air furnace.
— Aggressive algorithm control.
You can change these settings using the instructions that
follow. To exit at any time, press the
displays.
Setting °F/°C Indication, Heat Cycle Rate,
Heating/Cooling Temperature Control
The following instructions provide information to change
the heating cycle rate to match the heating equipment
and to choose either the Fahrenheit (°F) or Celsius (°C)
display.
NOTE: All four steps must be completed to save
changes to the °F/°C indication and the heat
cycle rate.
Enter Installer Setup.
— Use or keys to set the temperature setpoint
to 52°F (11°C).
SET
— Press and
than two seconds to enter Installer Setup.
69-1620—1
AA BATTERIES (3)
S e l e
c t
key until End
HT.
M12582A
keys simultaneously for more
— Release the keys to display the three-digit soft-
ware revision code. (Information displayed varies
by model).
— Press the
plays. (A typical example is shown, but informa-
tion displayed varies by model. This information
is for factory use only.)
M20514
Setting °C or °F.
— Press the
setting.
— Press the
Setting Heat Cycle Rate (see Table 2 for the cycle rate
options and equipment).
— Press the
rate setting of 1, 3, 4, 5, 9, or 12 cph.
— If the desired cycle rate is displayed, press the
key to display heating and cooling algorithm
default.
— To change the heat cycle rate, press the
until your choice of 1, 3, 4, 5, 6, 9, or 12 is dis-
played.
— Press the
cooling temperature control algorithm configura-
tion default.
— Press the
ing control algorithm to C1 or C3.
C1 = Standard control algorithm.
C3 = Aggressive control algorithm (Default. Can
cause overshooting.)
6
M12583
key. FC (factory configuration) dis-
M12584A
key again to display the current
key to change the °C or °F indication.
key to display the current heat cycle
M12589A
M12588A
key to display the heating and
M14691
key to change the heating and cool-
key