Honeywell CT3300 warranty Override the program settings, Change the temperature temporarily

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Override the program settings

Note: Make sure the System switch is set to either HEAT or COOL before making any changes to the schedule.

Change the temperature temporarily

Press

or

Fig. 27

until the desired temperature is displayed.

The TEMPORARY indicator is displayed indicating that the change is temporary (Fig. 27).

Note: A temporary change to the temperature lasts for the current program period only. The heating/cooling schedule that you programmed resumes when the next scheduled program period is reached. To cancel the temporary change before the next

scheduled program period, press .

Hold a temperature indefinitely

Use the Hold Temp feature when you want to maintain a constant temperature indefinitely, such as when you go on vacation.

 

Fig. 28

a. Press

.

“HLd” is displayed (Fig. 28).

b.Press or until the desired temperature is displayed.

The display shows the SET temperature for a few seconds and then resumes reading the current room temperature.

Note: To cancel the hold, press .

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OPERATION 19

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Contents Table of Contents Installation and Programming InstructionsVerify that you have the right thermostat InstallationRecycling thermostat Required tools and supplies Optional tools Prepare for installationCheck your progress Remove the old thermostatInstall the mounting plate Set the thermostat for your type of heating system Fuel SwitchType of system Screws a and B Fuel switch Wire the thermostat terminalsHeating system table Mount the thermostat Install the batteriesWires that are not connected to the old thermostat Special wiring instructionsSix or more wires Three thermostat wiresFive wires connected to the old thermostat Faceplate illustration and descriptions ProgrammingDescriptions Set the current time and day Learn about the programming featuresProgramming tips Program period Description When availableHeating Program Program the heating scheduleSchedule Period Cooling Program Program the cooling scheduleVerify that your heating system works Check out the systemVerify that your cooling system works Change the clock for Daylight/Standard Time Set the Fan and System switchesSetting Result OperationReplace the batteries Switch Setting ResultIf you see Batteries are You should Change the temperature temporarily Override the program settingsHold a temperature indefinitely Cancel a program Check the current programmed temperatureCheck programs Check how long heat/air conditioning has been running Reset the cumulative usage counter to zeroChange a program permanently Then Frequently asked questionsCustomer assistance Home and Building Control Limited 1-year warranty