Honeywell CT3300 warranty Check out the system, Verify that your heating system works

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b.Set the System switch to COOL.

c.Repeat steps 3c. through 3k. to program the weekday and weekend cooling schedule.

Step 5. Check out the system

Verify that your heating system works

a.Set the System switch to HEAT and the Fan switch to AUTO.

b.Press until the setting is 10°F (6°C) above room temperature (Fig. 25).

Your heating system should start and the fan should run after a short delay.

c.Press until the setting is 10°F (6°C) below room temperature.

Your heating system should shut off.

Verify that your cooling system works

IMPORTANT: To avoid damaging the compressor in the air conditioner, do not operate the cooling system when the temperature outdoors is below 50°F (10°C).

d.Set the System switch to COOL and the Fan switch to AUTO.

e.Press until the setting is 10°F (6°C) below room temperature (Fig. 26).

Your cooling system and fan should start.

Note: When the cooling setting is changed, the thermostat may delay up to 5 minutes before turning on the air conditioner. This delay protects the compressor.

Fig. 25

Fig. 26

16 PROGRAMMING

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Contents Installation and Programming Instructions Table of ContentsVerify that you have the right thermostat InstallationRecycling thermostat Prepare for installation Required tools and supplies Optional toolsRemove the old thermostat Check your progressInstall the mounting plate Fuel Switch Set the thermostat for your type of heating systemType of system Screws a and B Fuel switch Wire the thermostat terminalsHeating system table Install the batteries Mount the thermostatSpecial wiring instructions Six or more wiresThree thermostat wires Wires that are not connected to the old thermostatFive wires connected to the old thermostat Faceplate illustration and descriptions ProgrammingDescriptions Learn about the programming features Set the current time and dayProgram period Description When available Programming tipsHeating Program Program the heating scheduleSchedule Period Program the cooling schedule Cooling ProgramVerify that your heating system works Check out the systemVerify that your cooling system works Set the Fan and System switches Setting ResultOperation Change the clock for Daylight/Standard TimeReplace 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 Frequently asked questions ThenCustomer assistance Limited 1-year warranty Home and Building Control