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Honeywell Chronotherm III Owner's Manual
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Honeywell Chronotherm III Owner's Manual

Programmable
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Chronotherm
III
Programmable Thermostat
Owner's Manual
J. H. • 10-94 • Form Number 69-0865

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Summary of Contents for Honeywell Chronotherm III

  • Page 1 ® Chronotherm Programmable Thermostat Owner’s Manual J. H. • 10-94 • Form Number 69-0865...

  • Page 3: Table Of Contents

    Table of Contents Programmed Recovery ............................... 1 Recovery Setting ................................. 4 Programming Your Thermostat ..........................6 5-1-1 Programming ..............................6 Program Schedule ............................... 8 Set Current Day and Time ........................... 9 Heating Program ..............................9 Cooling Program ..............................10 Setting System and Fan Switches .......................... 10 Fan Switch .................................
  • Page 4 Maintaining Your Thermostat ........................... 14 Removing the Thermostat ............................14 Replacing the Thermostat ............................15 Replacing the Batteries ............................16 Power Outages ............................... 16 Glossary ..................................17 Troubleshooting Guide ............................. 19 Quick Reference to Keys ............................22 Index ................................... 24 Limited One-Year Warranty ............................

  • Page 5: Programmed Recovery

    Programmed Recovery Your new thermostat is so smart, it’s almost human. Your body perceives temperature from a variety of sources, not only from the air in the room, but also from your surroundings—walls, windows and furnishings. PROGRAMMED Human beings feel differences in temperature as slight RECOVERY—BREAK- as one degree Centigrade.
  • Page 6 THE OPTIMUM COMFORT AND ENERGY SAVINGS It typically takes four to eight days after installation for SOLUTION this thermostat to adjust to the weather, your life style, This thermostat is actually a small but powerful com- home construction and heating/cooling system. The ther- puter.
  • Page 7 SYSTEM OPERATING IN COMFORT MODE RECOVERY BEGINS RECOVERY CONTINUES SYSTEM OPERATING IN ENERGY SAVING MODE ENERGY COMFORT RECOVERY FROM ENERGY SAVINGS SAVINGS PERIOD PERIOD TIME THE THERMOSTAT USES THE SAME SCHEME TO RETURN GRADUALLY M9577 TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON. 69-0865...

  • Page 8: Recovery Setting

    Recovery Setting Your thermostat includes a screw on the back marked RECOVERY SELECTION 3A , allowing for the Programmed Recovery/conventional ADAPTIVE recovery choice. (FACTORY SETTING) INTELLIGENT Your thermostat was shipped from the factory with the CONVENTIONAL OUT 1/2 TO 1 TURN screw positioned for Programmed Recovery.
  • Page 9 To determine which type of recovery is set into your thermostat, make sure thermostat is powered with fresh batteries, or is mounted and powered on the wall (see page 16). Press EN PROGRAMME key. Check thermostat dis- play. TUE WED THU FRI •...

  • Page 10: Programming Your Thermostat

    Programming Your Thermostat The thermostat can be programmed in your hand be- fore it is installed or after it is on the wall if you make sure SYSTEME the batteries are installed. If you need to install or re- place the batteries, refer to the Maintaining Your Ther- mostat section.
  • Page 11 SORTIE is the time period you can set for an energy- Fill in the times and temperatures you desire for saving temperature while you are away at work or weekdays, Saturday and Sunday. If you decide not to school. (This will be a lower temperature during the program the thermostat, it will automatically control heating season, or a higher temperature during the heating from 6:00 to 20:00 at 21 C.

  • Page 12: Program Schedule

    Program Schedule Weekdays Start Time Heating Temperature Cooling Temperature RÉVEIL SORTIE RETOUR CHOUCHER Saturday RÉVEIL SORTIE RETOUR CHOUCHER Sunday RÉVEIL SORTIE RETOUR CHOUCHER 1 Heating and cooling temperatures must be at least 2 C apart. 69-0865...

  • Page 13: Set Current Day And Time

    5. Press and hold +CHAUD or +FROID key until the Set Current Day and Time display shows the desired heating temperature. 1. To set the day, press and release RÉGLER JOUR/ 6. Repeat steps 1-5 for the remaining periods—SOR- HEURE key. TIE, RETOUR and CHOUCHER—as desired.

  • Page 14: Cooling Program

    Cooling Program MARCHE: The fan runs continuously. Use for improved The program times are the same for both heating and air circulation during special occasions or for more cooling. Program only the cooling temperatures if you have efficient electronic air cleaning. already programmed for heating.

  • Page 15: Operating Your Thermostat

    Operating Your Thermostat TEMPORARILY CHANGING THE PROGRAM To Go Back to the Temperature of the Previous Pro- These features let you customize the program for gram Period those times when you come home early, you are staying Press release REVENIR PÉRIODE up late, or you plan to be out for the evening.

  • Page 16: Permanently Changing The Program

    PERMANENTLY CHANGING THE PROGRAM 1. Press and release the RÉGLAGE CONSTANT key. If your scdedule changes or you want a different tem- 2. Press and hold the temperature keys (+CHAUD or perature, you can update any setting without affecting +FROID) to change the temperature setting. After a few the rest of the program.

  • Page 17: Checking The Program Times And Temperatures

    CHECKING THE CURRENT TEMPERATURE 1. Press and hold the desired period key (RÉVEIL, SETTING SORTIE, RETOUR, CHOUCHER) until the time and tem- Press a single key to compare the actual room tem- perature clear from the display (about three seconds). perature to the setting at any time.

  • Page 18: Maintaining Your Thermostat

    Maintaining Your Thermostat REMOVING THE THERMOSTAT 1. Loosen the two captive screws 2. Pull out the thermostat from the 3. Lift the thermostat up and off at the bottom corners of the case. bottom. the base. SYSTEME TEMPERATURE ACTIVER RÉGLAGE PROGRAMME ACTUEL HEURE...

  • Page 19: Replacing The Thermostat

    REPLACING THE THERMOSTAT 1. Hang the thermostat on the tabs 3. Tighten the captive screws. 2. Swing down and press on lower at the top of the base. edge until thermostat snaps in place SYSTEME SYSTEME TEMPERATURE ACTIVER RÉGLAGE PROGRAMME ACTUEL HEURE RÉVEIL...

  • Page 20: Replacing The Batteries

    Maintaining Your Thermostat Replace the thermostat on the wall. See page 15. Reprogram, if necessary. REPLACING THE BATTERIES POWER OUTAGES Your thermostat uses three AAA alkaline batteries. We Backup batteries will hold the programming and keep ® recommend Energizer batteries. The display will flash the display on during most power outages.

  • Page 21: Glossary

    Glossary Temperature Period Start Time Heating Cooling Comfort temperature RÉVEIL 6:00 21 C 26 C The temperature you want when you’re active and SORTIE —————— No program—————— occupying the room. RETOUR —————— No program—————— CHOUCHER 20:00 16 C 26 C Energy-saving temperature The lower (heating) or higher (cooling) temperature that lets you save on heating and cooling costs when...
  • Page 22 Setback RÉVEIL— The time period when you want the Reducing the temperature in the house for a set pe- house at a comfortable temperature while the fam- riod every day in winter for energy savings. The lower ily gets up and gets ready to leave for work or temperature is the energy saving temperature.
  • Page 23 —Two snowflake symbols appear on the LCD when the cooling is operating. One snowflake indi- cates the thermostat is in the cooling mode. —Two flame symbols appear on the LCD when the heating is operating. One flame indicates the thermostat is in the heating mode. 69-0865...

  • Page 24: Troubleshooting Guide

    Troubleshooting Guide IF… THEN… Display will not come on. Check that heat or cool system power is on. If you use batteries, replace with fresh ones. Make sure thermostat is correctly mounted on base. Display flashes during You have reached the temperature setting limit. The setting range is 7 C to 31 C. The cool programming.
  • Page 25 Cooling will not come on. Check the fuse or circuit breaker and replace or reset if necessary. Check that switch on thermostat is set to REFROID. The thermostat has a built-in time delay, which may add to time delays in the cooling equipment.

  • Page 26: Quick Reference To Keys

    Quick Reference to Keys Press these keys to: Begin the current day or time programming. RÉGLER JOUR/HEURE Set the day of the week and select the program day during pro- JOUR gramming. Switch between heat and cool modes during programming or when MODE CHAUFFF.
  • Page 27 Set the temperature while programming and temporarily change +FROID +CHAUD the temperature during operation. Hold down either key to change the setting faster. Hold any temperature you desire for an extended period. RÉGLAGE CONSTANT Change the temperature to the setpoint of the previous period. REVENIER PÉRIODE PRÉCÉDENTE...

  • Page 28: Index

    Index Programming ........6, 17 Operation ..........11 Set heating temperatures ....... 9 Automatic changeover ......9 Period keys .......... 22 Setpoint ..........18 Batteries, replacement ......16 Power outage ........16 Set program schedule ......6 Blinking display ........19 Preprogrammed schedule ....

  • Page 29: Limited One-Year Warranty

    Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it (at Honeywell’s option) within a reasonable period of time.

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