Honeywell CT3300 warranty Customer assistance

Page 23

If...

Then...

 

 

 

Cooling will not come on

• Check that the System switch is set to COOL.

 

• Check the system fuse or circuit breaker and replace or reset if necessary.

 

• Check for correct wiring and good connections.

 

• If display is blank or says “bAt Lo,” install fresh batteries.

 

• The thermostat has a built-in time delay on cooling. Allow 5 to 10 minutes

 

after changing the setting before the air conditioner starts.

 

• If the temperature setting is lower than the current room temperature and the

 

SYSTEM ON arrow is displayed, the thermostat is operating correctly.

 

Contact an air conditioning contractor for assistance.

 

 

 

The house is too warm or too cool

 

 

 

• Press

to check the current temperature setting.

 

• If desired, change the temperature setting. See page 19 for instructions.

 

 

The furnace cycles too frequently or

• Adjust the screws on the back of the thermostat as instructed on page 7.

the system cycle length is too short

 

 

or too long

 

 

 

 

The thermostat’s current setting

• Plug the wiring hole in the wall behind the mounting plate with insulation to

does not match the displayed room

prevent drafts that might adversely affect thermostat operation.

temperature to within plus or minus

• Be aware that it is normal for the current setting and the displayed room

1°

temperature to differ on occasion.

• During recovery from setback or setup, setting and displayed room temperatures may differ for up to 30 minutes after recovery period.

Customer assistance

For all questions concerning this thermostat, please read and follow the instructions. If you need additional assistance, call Honeywell Customer Relations at 1-800-468-1502, Monday–Friday, 7:00 AM–5:30 PM Central Time, or visit us at www.honeywell.com/yourhome. Before you call, please have the following information available:

•Thermostat model number and serial code (located under the battery cover)

•Type of heating/cooling system (hot water, warm air, oil, gas, etc.)

•Number of wires connected to the thermostat

NOTICE: This equipment is a Class B digital apparatus, which complies with Canadian Radio Interference Regulations, CRC c.1374.

69-0654-5

FREQUENTLY ASKED QUESTIONS 23

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Contents Table of Contents Installation and Programming InstructionsRecycling thermostat InstallationVerify that you have the right 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 SwitchHeating system table Wire the thermostat terminalsType of system Screws a and B Fuel switch 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 Descriptions ProgrammingFaceplate illustration and descriptions Set the current time and day Learn about the programming featuresProgramming tips Program period Description When availableSchedule Period Program the heating scheduleHeating Program Cooling Program Program the cooling scheduleVerify that your cooling system works Check out the systemVerify that your heating system works Change the clock for Daylight/Standard Time Set the Fan and System switchesSetting Result OperationIf you see Batteries are You should Switch Setting ResultReplace the batteries Hold a temperature indefinitely Override the program settingsChange the temperature temporarily Check programs Check the current programmed temperatureCancel a program Change a program permanently Reset the cumulative usage counter to zeroCheck how long heat/air conditioning has been running Then Frequently asked questionsCustomer assistance Home and Building Control Limited 1-year warranty
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