Honeywell CT1503, CT1501, CT1502 User Manual

Timer Thermostat

Fuel Saver

Heating-Only Thermostat 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

Welcome to the world of energy savings with your new Honeywell Fuel Saver Thermostat. The

Honeywell name is your assurance of accurate control and reliable operation for years to come.

Your new thermostat will automatically control the temperature in your home to provide a high level of comfort plus energy savings when programmed according to the instructions in this manual.

Recycling Notice

This control contains mercury in a sealed tube. Do its useful life.

If this control is replacing a control that contains mercury in a sealed tube, do old control in the trash.

Contact your local waste management authority for instructions regarding recycling and the proper disposal of the control, or of an old control containing mercury in a sealed tube.

not

place control in the trash at the end of

not

place your

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Table of Contents

PAGE

Features of Your Thermostat .............................................................................................. 4

Reviewing Your Family Schedule ....................................................................................... 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

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Features of Your Thermostat

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.

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M8750

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 at

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.

M8749

14 AAA ALKALINE BATTERIES (2). Included

to provide power to the timer.

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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.

M2421

FAN

AUTO OFF

HEATON

COOL

M2411

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Reviewing Your Family Schedule

Write the answers to the following questions in the spaces provided to determine the program that fits your family schedule.

What comfort temperature would 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 times does the last person leave in the morning? ___________ __________ What times does the first person return home in the evening? ___________ __________ What time does the last person go to bed? ___________ __________

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SUMMER WINTER

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.

LOW TEMPERATURE SETTING LEVER (BLUE MARK)

607080

HIGH TEMPERATURE SETTING LEVER (RED MARK)

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.

60 70 80

M8751

Fig. 1—Setting high and low temperature

setting levers.

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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.

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