Honeywell CT1800 Owner'S Manual Download Page 20 | Manualshive

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Honeywell CT1800 Owner'S Manual Download Page 20

20

69-0395—2

Troubleshooting

(continued)

1 Not applicable on heating-only model.

Problem

Check

Action

Heat-on time too short.

— anticipator setting. (See Fig. 6 for

anticipator location.)

Increase anticipator setting by 0.05.
Observe heating system operation.

Heat-on time too long.

— anticipator setting. (See Fig. 6 for

anticipator location.)

Decrease anticipator setting 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.

— condenser 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
frayed or broken wires. Firmly tighten all
terminal screws.

1

(continued)

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Summary of Contents for CT1800

Page 1: ...nly CT1800 Heat Cool CT1801 Central Heat Cool or Single Stage Heat Pump without Auxiliary Heat CT1802 Heating Only Thermostat and Wallplate or a Heating Cooling Thermostat and Subbase Models CT1800 CT1801 CT1802 OWNER S MANUAL 69 0395 2 ...

Page 2: ...2 69 0395 2 ...

Page 3: ...s 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 a 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 regarding r...

Page 4: ...g Your Family Schedule 8 Setting The Temperature 9 Setting Subbase Switches 10 Inserting Clock Batteries 11 Setting The Clock 12 Programming 13 Troubleshooting 18 Servicing The Thermostat 22 System On Time Adjustment 22 Thermometer Adjustment 23 Limited One Year Warranty 25 ...

Page 5: ...des accurate room temperature reading 4 CLOCK This clock provides a 24 hour slotted dial to hold the programming pins 5 CLOCK HANDS Turn minute hand clockwise to match the correct AM or PM 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 tempor...

Page 6: ...at ten minute intervals for program pin insertion 11 HEAT ANTICIPATOR SCALEPLATE 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 Provide automatic temperature control by switching on and off the heating or cooling system 14 4 5 8 13 12 11 6 7 10 9 M9654 14 ...

Page 7: ... 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 8: ...uld you like to maintain ______ ______ 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 time does the last person leave in the morning ______ ______ What time does the first person return home in the evening ______ ______ What time does the last person go to bed ___...

Page 9: ...r red mark to the tempera ture you want for normal comfort periods NOTE You may override the time program 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 sl...

Page 10: ...lication only cooling operates In a heating only application only heating operates The subbase fan switch controls fan operation as follows ON Fan operates continuously AUTO Fan operates with cooling equipment as controlled by the thermostat or with the heating equipment as controlled by the plenum fan switch In electric heat heat pump and fan coil systems the fan is controlled by the thermostat i...

Page 11: ...mostat as shown in Fig 2 Once 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 M9619 BATTERY LOCATION FOR 2 AAA BATTERIES INSTALL WITH POSITIVE ENDS UP Fig 2 Inserting clock batteries ...

Page 12: ...corresponding daytime light or nighttime dark band of the program dial EXAMPLE For 11 PM the time indicator arrow will point directly to the dark band For 11 AM the arrow will point to the light band on the dial Daylight Saving Time When daylight saving time starts move the minute hand carefully in a clockwise direction one hour When daylight saving time ends move the minute hand carefully in a cl...

Page 13: ...rogram pins which can be inserted at 10 minutes intervals Three red and three blue program pins are included with your thermostat The red pins start the high temperature period the blue pins start the low temperature period A heating program is preprogrammed A red pin is inserted at 6 00 AM Fig 4 Program components for high temperature comfort period a blue pin is inserted at 10 00 PM for low temp...

Page 14: ...tems you must reset the pins when the seasons change You will also probably want to change the lever positions Setting the heating program 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 red pin The half hour head start gives the furnace time to heat the house before you wake up or arrive home Fig 5 Prog...

Page 15: ...cide when you want the energy savings period to start and insert a red pin at the notch that corresponds to this time After the red pin engages the air conditioner will be off until room temperature rises to the energy savings setpoint Decide when you want the energy savings period to start and insert a blue pin at the notch that corresponds to this time After the blue pin engages the furnace will...

Page 16: ...gularly 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 EXAMPLE If you are currently at the high temperature period and want to switch to the low temperature period move the wheel from red to blue If you are currently at the low temperature period and want to switch to the high temp...

Page 17: ...ar temperature until you change the levers back This method is recommended for a long term absence Simply push both levers to the tempera ture you wish for system control This temperature will stay in effect until you change the levers back 50 60 70 80 50 60 70 80 M2500 ...

Page 18: ...OOL position Move system 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 Fi...

Page 19: ...d 12 hours Move minute hand clockwise only Rooms do not warm up at programmed time clock 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 program pins for correct time locations Relocate pins to desired settings Room temperatures are not correct positions of thermostat setpoint levers R...

Page 20: ...pator location Decrease anticipator setting 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 condenser 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...

Page 21: ... not have been installed Install as shown in Fig 2 batteries may need replacement Replace with two new AAA alkaline batteries as described in Inserting Clock Batteries section Thermostat setting and thermometer reading level position of thermostat Reinstall thermostat wallplate or subbase Use a spirit level disagree area around thermostat for drafts or radiant heat Thermostat should be about 5 ft ...

Page 22: ...system on time length a lower setting will decrease heating system on time length Observe the heating system operation after each adjustment The heat anticipator must be correctly set An incorrect setting can result in room temperature swings or burn out the anticipator which would void the thermostat warranty IMPORTANT Most hot water systems require a setting of 1 3 times the valve current rating...

Page 23: ...wn accuracy Allow at least five minutes for the cover thermometer to sense the area tempera ture 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 th...

Page 24: ...r Honeywell Fuel Saver Thermostat please visit our web 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 i e hot water warm air oil gas etc and number of wires connected to the thermostat ...

Page 25: ...d while the product was in the possession of a consumer Honeywell s sole responsibility shall be to repair or rep ace the product within the terms stated above HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PRODUCT Some...

Page 26: ...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 27: ...27 69 0395 2 ...

Page 28: ...95 2 Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 155 Gordon Baker Road Golden Valley MN 55422 North York Ontario M2H 2C9 M3375 www honeywell com yourhome ...

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