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15

69-0333—6

Temporarily changing the program

You may temporarily raise or lower the

temperature if you come home early, stay up
late, plan to be out for the evening, leave on
vacation, etc. You can make a temporary
change one of two ways—moving the program
index wheel or pushing the setting levers
together.

Moving the program index wheel will change

the program just until the next regularly
scheduled change is due:
•

Lift the thermostat cover.

•

Move the program index wheel counter-
clockwise so the time indicator arrow
points to the desired color on the dial.

PROGRAM
INDEX
WHEEL

TIME
INDICATOR
ARROW

M1857

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Summary of Contents for CT1500

Page 1: ...and Wallplate or Heating Cooling Thermostat and Subbase Models CT1500 CT1501 CT1502 CT1503 Heat Only CT1500 Heat Cool CT1501 Central Electric Heat Cool or Single Stage Heat Pump without auxiliary heat CT1502 Millivolt Heat CT1503 OWNER S MANUAL 69 0333 6 ...

Page 2: ...plus energy savings when programmed according to the instructions in this manual Recycling Notice This control contains mercury in a sealed tube Do not place control in the trash at the end of its useful life If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Contact your local waste management authority for instructions regardi...

Page 3: ...edule 7 Setting The Temperature 8 Setting Subbase Switches 9 Inserting Timer Batteries 10 Setting The Timer 11 Programming 12 Temporarily changing the program 15 Troubleshooting 17 Servicing The Thermostat 21 System on time adjustment 21 Thermometer adjustment 22 Limited One Year Warranty 27 ...

Page 4: ...MOMETER Provides accurate room temperature reading 4 TIMER Provides 24 hour slotted dial to hold the programming pins 5 TIMER SETTING KNOB Turn clockwise to match the correct a m or p m time to the time indicator 6 TIME INDICATOR Arrowhead indicates time for 24 hour dial 7 PROGRAM INDEX WHEEL Controls high and low temperature at specific time of day as set by program pins Can be moved to temporari...

Page 5: ...t ten minute intervals for program pin insertion 11 HEAT ANTICIPATOR SCALE PLATE Calibrated to match the heating system current draw in amperes 12 ANTICIPATOR SETTING LEVER Must be adjusted to match the heating system primary control current 13 BULB AND BIMETAL ELEMENT 2 Provides automatic temperature control by switching the heating or cooling system on and off 5 4 8 13 14 9 10 7 6 12 11 M8749 14...

Page 6: ... mounting base and wiring connections for heating only thermostat 16 SUBBASE Provides mounting base wiring connections and manual switching control for heating cooling thermostat M2421 15 AUTO OFF COOL HEAT ON FAN B O W Y R G M2411 16 ...

Page 7: ...___ __________ What energy savings temperature would you like to maintain ___________ __________ What time does the first person get up in the morning ___________ __________ Is anyone home all day ___________ __________ What times does the last person leave in the morning ___________ __________ What times does the first person return home in the evening ___________ __________ What time does the la...

Page 8: ...ogram by setting both the red and blue levers to the same temperature setpoint For Cooling Not Applicable on Heating only Model Set the left lever blue mark to the tempera ture you want for normal comfort periods Set the right lever red mark to the energy savings temperature you want when you are sleeping or your home is unoccupied 50 60 70 80 50 60 70 80 HIGH TEMPERATURE SETTING LEVER RED MARK LO...

Page 9: ...to slide lever to desired position Stop switch lever in detent over the desired function indicator mark for proper circuit operation Setting Subbase Switches If Applicable The subbase system switch controls system operation as follows HEAT Heating system is controlled by the thermostat Cooling system is off COOL Cooling system is controlled by the thermostat Heating system is off OFF Both the heat...

Page 10: ...mostat as shown See Fig 2 One a year or when batteries are dead replace with two new AAA alkaline batteries We recommend Energizer batteries The thermostat itself will operate without batteries but will not operate as a fuel saver BATTERY LOCATION FOR 2 AAA BATTERIES INSTALL WITH POSITIVE ENDS UP M8585 Fig 2 Inserting timer batteries ...

Page 11: ...responding daytime light or nighttime dark band of the program dial EXAMPLE For 11 p m the time indicator arrow will point directly to the dark band on the dial For 11 a m the arrow will point to the light band on the dial Daylight saving time When daylight saving time starts carefully move the knob clockwise one hour When daylight saving time ends carefully move the knob clockwise 23 hours Do not...

Page 12: ...ing program is preprogrammed A red pin is inserted at 6 00 a m for high temperature comfort period a blue pin is inserted at 10 00 p m for low temperature energy saving period Two additional sets of pins are located in the program pin storage area You can set up to six temperature changes with the pins supplied We recommend at least five hours for each energy saving period To change the pins or ad...

Page 13: ...t level Find the notch on the dial that is one half hour before this time and insert a red pin The half hour head start gives the furnace time to heat the house before you wake up or arrive home Decide when you want the energy saving period to start and insert a blue pin at the notch that corresponds to this time After the blue pin engages the furnace will be off until room temperature drops to th...

Page 14: ...program not applicable on heating only model Decide when you want the temperature to reach the comfort level Find the notch on the dial that is one half hour before this time and insert a blue pin The half hour head start gives the air conditioner time to cool the house before you wake up or arrive home Decide when you want the energy saving period to start and insert a red pin at the notch that c...

Page 15: ...a temporary change one of two ways moving the program index wheel or pushing the setting levers together Moving the program index wheel will change the program just until the next regularly scheduled change is due Lift the thermostat cover Move the program index wheel counter clockwise so the time indicator arrow points to the desired color on the dial PROGRAM INDEX WHEEL TIME INDICATOR ARROW M185...

Page 16: ...rature period move the wheel from blue to red The change will be in effect until the next regularly scheduled change Pushing the setting levers together will hold a particular temperature until you change the levers back This method is recommended for a long term absence Simply push both levers to the temperature you wish for system control This tempera ture will stay in effect until you change th...

Page 17: ...stem switch to HEAT position fuse or circuit breaker If blown or tripped replace fuse or reset breaker furnace power switch May be off Move switch to ON pilot flame where applicable May be out Relight pilot flame per furnace manufacturer instructions RH and W thermostat connections Turn off power to furnace Check for correct terminal hookups Repair any frayed or broken wires Firmly tighten all ter...

Page 18: ... clockwise only Rooms do not warm up at programmed time timer program for heating system May need more time to warm up rooms Move red pin one half hour earlier on the program dial Temperature change occurs at the wrong time programs pins for correct time locations Relocate pins to desired settings Room temperatures are not correct positions of thermostat setpoint levers Reset to desired temperatur...

Page 19: ...by 0 05 Observe heating system operation No cooling system switch May be in OFF or HEAT position Move switch to COOL position fuse or circuit breaker If fuse is blown or breaker tripped replace or reset condensor switch position Located outdoors and may be turned off Move to ON position Y G RC thermostat connections Turn off power to cooling system Check for correct terminal hookups Repair any fra...

Page 20: ...hermostat Replace with two new AAA alkaline batteries as shown on page 10 Thermostat setting and thermometer reading disagree area around thermostat for drafts or radiant heat Reinstall thermostat wallplate or subbase Use a spirit level Thermostat should be about 5 ft 1 5m above floor on an inside wall Contact qualified service technician for change of location calibration of thermometer See instr...

Page 21: ...etting lever one indicator mark at a time Fig 6 a higher setting will increase heating system on length a lower setting will decrease heating system on length Observe the heating system operation after each adjustment The heat anticipator must be correctly set An incorrect setting can result in room tempera ture swings or burn out the anticipator which would void the thermostat warranty Fig 6 Heat...

Page 22: ...ccuracy Allow at least five minutes for the cover thermometer to sense the area temperature then compare the readings Be careful not to touch the thermometer or breathe on it If the readings are the same replace the cover and put the system into operation If the readings are different insert a small screwdriver in the thermometer slot shown in Fig 7 and turn it until both thermometers read the sam...

Page 23: ... site at www honeywell com yourhome or call the customer information line at 1 800 468 1502 Before you call please have the following information available thermostat model number and date code kind of heating cooling system for example hot water warm air oil gas etc and number of wires connected to the thermostat ...

Page 24: ...napolis Cincinnati Kansas City St Louis Columbus New York Philadelphia Seattle Louisville Portland Wash D C San Francisco Dallas Atlanta Los Angeles Approximate percentage of energy cost savings Savings for Once A Day 10 F 5 C decrease Savings for Twice A Day 10 F 5 C decrease Savings for 5 F 3 summer increase TYPICAL ENERGY SAVINGS FOR REPRESENTATIVE CITIES IN THE U S AND CANADA Based on 10 F 5 C...

Page 25: ...25 69 0333 6 ...

Page 26: ...26 69 0333 6 ...

Page 27: ...e which occurred while the product was in the possession of a consumer Honeywell s sole responsibility shall be to repair or replace the product within the terms stated above HONEYWELL SHALL NOT BE LlABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTlAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF TH...

Page 28: ... 0333 6 Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive No 740 Ellesmere Road Golden Valley MN 55422 Scarborough Ontario M1P 2V9 M3375 www honeywell com yourhome ...

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