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manual abstract
The Honeywell name is your assurance of accurate control and reliable operation for years to come. Welcome to the world of energy savings with your new Honeywell thermostat. The Honeywell name is your assurance of accurate control and reliable operation for years to come. Read this manual to learn how to use your new thermostat. Recycling Notice This control contains mercury in a sealed tube. Do notplace 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 notplace your old control in the trash. Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control, or an old control containing mercury in a sealed tube. If you have questions, call Honeywell Inc. at 1-800-468-1502. M3375 2 69-0563—2 Table Of Contents PAGE Features Of Your Thermostat........................................................................................................... 4 Setting The Temperature ................................................................................................................. 7 Setting Subbase Switches ................................................................................................................ 8 Inserting Timer Backup Batteries ..................................................................................................... 9 Setting The Timer ........................................................................................................................... 10 Programming .................................................................................................................................. 11 Troubleshooting .............................................................................................................................. 14 Servicing The Thermostat .............................................................................................................. 21 Warranty ......................................................................................................................................... 23 3 69-0563—2 8 9 8 9 1 FLIP-UP COVER. Lift it up to set timer for energy savings and comfort temperature periods. 2 THERMOSTAT COVER. Lift up to adjust timer. THERMOMETER. Provides accurate room temperature reading. TEMPERATURE SETTING LEVERS. Left (blue mark) controls the low temperature, right (red mark) controls the high temperature. TIMER. This timer provides a 24-hour slotted dial to hold the programming pins. TIMER SETTING KNOB. Turn clockwise to match the correct a.m. or p.m. time to the time indicator. TIME INDICATOR. Arrow head indicates 3 4 5 6 7 PROGRAM INDEX WHEEL. Controls high and low temperature at specific time of day as set by program pins. PROGRAM PINS. Must be inserted into 24-hour timer dial slots to control program index wheel. 4 3 2 1 time for 24-hour dial. M8723 4 69-0563—2 M8744 12 6 9 115 10 8 7 M8745 M8744 12 6 9 115 10 8 7 M8745 PIN SLOTS. Located on 24-hour dial at WALLPLATE. Provides mounting base 10-minute intervals for program pin and wiring connections for heating or insertion. cooling thermostat without system or fan MERCURY BULB AND BIMETAL ELEMENT switching. (2). Provide automatic temperature control by switching the heating or cooling system on and off. 12 5 69-0563—2 13 13 13 AUTO OFF COOL HEATON FAN B O W Y R G M1551 6 69-0563—2 Setting The Temperature For Heating Setting The Temperature For Heating TEMPERATURE sleeping or your home is unoccupied. SETTING Set the right lever (red mark) to the temperature you want for normal comfort periods. 50 60 70 80 HIGH LEVER LOW TEMPERATURE SETTING LEVER NOTE: You may override the time program by setting both the red and blue levers to the same temperature setpoint. For Cooling Set the left lever (blue mark) to the tempera 50 60 70 80 M8586 ture you want for normal comfort periods. Set the right lever (red mark) to the energy savings temperature you want when you are Fig. 1—Setting high and low sleeping or your home is unoccupied. temperature levers. 7 69-0563—2 Setting Subbase Switches (if applicable) Setting Subbase Switches (if applicable) thermostat. Cooling system is Off. COOL—Cooling system is controlled by the thermostat. Heating system is Off. OFF— Both the heating and cooling systems are Off. If the fan switch is at the AUTO position, the fan is also off. ON—In a cooling only application, 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 contolled by the thermostat or with the heating equipment as controlled by the thermostat in heating and cooling. To switch positions, use thumb or index finger to slide lever to desired position. Switch lever must stop in the detent over desired function indicator mark for proper circuit operation. 8 69-0563—2 Inserting Timer Batte...