Honeywell CT1500 Manual

Honeywell Thermostat CT1500 Manual

Honeywell Thermostat CT1500 Features

1. FLIP-UP COVER. Lift up cover to set timer for energy savings and normal temperature periods .
2. THERMOSTAT COVER. Lift up cover and remove to adjust heat anticipator or install batteries.
3. THERMOMETER. 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 temporarily override a schedule.
8. TEMPERATURE SETTING LEVERS. Left (blue mark) controls the low temperature; right (red mark) controls the high temperature.
9. PROGRAM PINS. Must be inserted into 24-hour timer dial slots to control program index wheel.
10. PIN SLOTS. Located on 24-hour dial atten 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.
14. AAA ALKALINE BATTERIES (2). Included to provide power to the timer.
15. WALLPLATE Provides mounting base and wiring connections for heating-only thermostat.
16. SUBBASE Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat.

Honeywell Thermostat CT1500 Setting The Temperature

For Heating:

Set the left lever (blue mark) to the energy savings temperature you want when you are sleeping or your home is unoccupied. See Fig. 1. Set the right lever (red mark) to the temperature you want for normal comfort periods. NOTE: You may bypass 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 temperature 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.

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 heating and cooling systems are off. If the fan switch is in 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 equip- ment as controlled by the thermostat or with the heating equipment as controlled by the plenium fan switch. In electric heat, heat pump, and fan coil systems, the fan is controlled by the thermostat in heating and cooling. To switch positions, use thumb or index finger to slide lever to desired position. Stop switch lever in detent over the desired function indicator mark for proper circuit operation.

Inserting Timer Batteries

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