Programmable Load Management Thermostat Weekday/Weekend (5-day/ Saturday/Sunday) Programmable T7512A,B 1 USER’S GUIDE 69-1575 69-1575
Welcome to the world of comfort and energy savings with your new Honeywell Programmable Load Management Thermostat. take advantage of special programs you can subscribe to that can further increase your energy savings. This thermostat allows full weekday/weekend programming so you can set the thermostat to control the temperature in your home according to your personal schedule and preferences.
ling your home at a higher temperature during the cooling season and a lower temperature during the heating season. stat is under DLC, the word SAVING is displayed on the thermostat. See Fig. 2. You must subscribe to these programs before your utility company can communicate with your thermostat. If you have any questions concerning the application of this thermostat or these special programs and features, please contact your local utility.
Table Of Contents Recovery From Setback ........................................................................................................... Programming Your Thermostat ................................................................................................. Personal Programming Charts ................................................................................................. Step 1—Set the Current Time/Day ................................................................................
RECOVERY FROM SETBACK you want the temperature in the house to be 72°F at 6:00 AM, you should program the thermostat to an earlier time; for example, 5:30. (The exact amount of time it takes your home to warm or cool to the temperature you want depends on many factors such as the size of your heating/cooling equipment and the outdoor temperature.
PROGRAMMING YOUR THERMOSTAT IMPORTANT Batteries must be installed to maintain time and date in the event of power loss. SLEEP on the T7512A,B Thermostats. These periods can be displayed individually on the thermostat as you press the WEEKDAY SCHEDULE or WEEKEND SCHEDULE keys. You may want to enter a different schedule for the cooling and the heating seasons. You will find it helpful to complete the Personal Programming Charts on the following pages before you begin programming the thermostat.
LEAVE is the time you leave for work or school. Generally, once you leave the house, you want the temperature higher or lower (depending on the season) so that you can save energy while you are away. RETURN is the time you return from work or school. Once again, you want the house at a comfortable temperature when you return and go about the normal activities of your day before bedtime.
At 10:00 PM every night, the thermostat sets the heating temperature back to 60°F; the cooling temperature remains at 76°F. Personal Programming Charts Cooling Schedule (for Summer Use): You do not need to enter a time and temperature program for every period if your schedule does not require it. For example, if your house is occupied during the day on weekdays, you can program only the WAKE and SLEEP times.
If you subscribe to Time-of-Use Pricing, use the following table to plan the offset values you will enter for each Time-of-Use Pricing rate, use a numerical value as described in Enter Offset Values. You should enter a different offset value for the heating and cooling seasons, see chart. You do not need to enter an offset for rate 1.
current day is displayed. After you have set the time and day, press the Run Program key. Before programming the thermostat, remove the clear plastic overlay that covers the display. When pressing the keys, use the ball of your finger or a soft pencil eraser; using sharp fingernails or pencil points can damage the keypad. If you make a mistake during programming, press the Run Program key and reprogram the time, temperature, or offset value with the error.
or Cooler keys to set the weekday WAKE temperature from your Personal Programming Charts. Enter Offset Values Enter the offset value for each Time-of-Use Pricing rate using the Offset key. You can enter offset numbers only if you are a subscriber to Time-of-Use Pricing. Repeat the above sequence for the other weekday schedules: LEAVE, RETURN, and SLEEP. Press the Weekend Schedule key until SAT, WAKE and SET appear on the display.
offset for rate 1 is displayed (note the indicator on the thermostat display as shown in Fig. 1). Use the Warmer and Cooler keys to set the offset value. Repeat the procedure for each rate. After you have entered the last offset value, press the Run Program key. Time-of-Use Pricing, enter offset values for the cooling season as you did for the heating season. Entering a Cooling Schedule Press the System key until the thermostat displays the word COOL to indicate you are in the cooling mode.
schedule you programmed (heat pump in cooling mode). No status: Both the heating and air conditioning systems are off (heat pump off) displayed. You can change the system setting by pressing the System key. Each time you press the key, the system status changes to the next setting. The status of the system is as follows when the associated indicator is displayed: HEAT: The thermostat will control your heating system according to the schedule you programmed (heat pump in heating mode). EM.
When nothing is displayed, the fan is in AUTO mode (it comes on with the heating or cooling equipment, as needed). AUTO is the normal setting for most homes and allows a singlespeed fan to turn on automatically with the air conditioner or furnace. If you have a two-speed fan, it usually runs on high with the air conditioner and on low with the furnace.
subscribe to Time-of-Use Pricing, it stays in effect only until the next rate change.) To cancel the temperature change, press the Run Program key. When a temporary temperature is in effect, the display alternates between the time/temperature and the temporary setting. Check the Current Temperature Setting To check the current (programmed) temperature setting, press the Present Setting key. Then verify the setting you selected.
COOL, then press the Usage key. Each time you press the Usage key, the thermostat displays the next usage value. The HR and MIN segments are lit and the display shows the numerical value for each. key until the program you want to cancel is displayed; then press the Clear key. NOTE: You cannot cancel the WEEKDAY WAKE program.
again, usage values for rates 2, 3 and 4 , respectively,are then incrementally displayed. If you continue to press the Usage key, accumulated usage values are repeated for rates 1 through 4. Permanently Change a Program To permanently change a program, repeat the appropriate steps in Programming Your Thermostat. Return to Normal Program or Start Program Any time you want to return to the normal program or start the program, press the Run Program key.
THERMOSTAT OPERATION WHEN SPECIAL PROGRAMS ARE IN EFFECT displayed, the fan is on continuously. When nothing is displayed, the fan is in AUTO mode (it comes on with the heating or cooling equipment, as needed). Change the system setting by pressing the System key. Each time you press the key, the system status changes to the next setting. Normally your thermostat operates as you programmed it.
and initiates a time delay before the heating or cooling equipment comes on. You cannot override this time delay. your utility company. If you notice the temperature in your home is higher or lower than the setting you programmed into the thermostat, check the thermostat display. To indicate the equipment is under DLC, the thermostat displays the word SAVING. You cannot control the heating/cooling equipment when it is under DLC.
When a rate change message is received by the thermostat, your heating/cooling system automatically operates at the temperature and offset value you programmed. You cannot temporarily override the offset. If you need to change the offset, refer to Programming Your Thermostat. REPLACING THE THERMOSTAT BATTERIES IMPORTANT Batteries must be installed to maintain the time and date in the event of a power loss.
completely. Replace the batteries as soon as possible after the indicator starts flashing. INSTALL TWO AA ALKALINE BATTERIES AS SHOWN You will need two AA alkaline batteries; nonalkaline batteries will not last as long, and can leak, causing damage to the thermostat or the wall surface. We recommend Energizer® batteries. • Use a coin to carefully remove the battery door. • Press down on the left ends of the batteries to remove them. • Install the fresh batteries as shown in Fig. 3.
TROUBLESHOOTING GUIDE IF... Display will not come on. THEN… • There is no power applied to the thermostat. Check fuse or circuit breaker. Temperature display will not go lower than 45°F or higher than 88°F during programming. • You have reached the temperature setting limit. The setting range is 45°F to 88°F. Temperature change occurs incorrectly. • Check the program times for the period in question. Be sure that AM and PM indications are correct. Make sure the current day and time are correct.
Heating will not come on. • Check that the system control on the thermostat is set to HEAT. • Check the display. If SAVING is displayed, the system is in in DLC mode and the thermostat is utility controlled. Heating cannot come on until the DLC period ends. • If the temperature setting is higher than current temperature, and the display says HEAT, contact your utility company. Cooling will not come on. • Check that the system control on the thermostat is set to COOL.
Cooling will not come on. (cont.) • The thermostat has a built-in time delay on cooling. To prevent equipment damage, allow five to ten minutes after changing the setting before the air conditioner starts. • If temperature setting is lower than the current temperature, and the display shows COOL, set the system control to the OFF setting for ten minutes. After ten minutes, return the system control to the COOL setting.
The house is too warm or too cool. (cont.) System ON indicator is lit, but no heat is coming from the registers. The thermostat’s current setting does not match the display temperature. • If you subscribe to Real-time Pricing, you may need to adjust your offset values to provide a more comfortable temperature. • Check the display. If SAVING is displayed, the system is in DLC mode and your thermostat is utility controlled. Cooling or heating cannot come on until the DLC period ends.
Incorrect room temperature showing on thermostat display. Thermostat is flashing CALL . • The thermostat is factory-calibrated, and cannot be adjusted. • You are a subscriber to one of the special pricing programs and your thermostat has lost communication with the utility company. Call the number displayed on the thermostat or the number on the thermostat label for information.
TOLL-FREE CUSTOMER ASSISTANCE For all questions concerning this thermostat, please read and follow the instructions. If additional assistance is needed, call your utility’s Customer Assistance number. Before you call, please have the following information available—thermostat model number and date code, type of heating/cooling system (hot water, warm air, oil, gas, heat pump, etc).
WARRANTY CONDITIONS Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it (at Honeywell’s option) within a reasonable period of time.
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage 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.
This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write Honeywell Customer Relations, 1985 Douglas Drive North, MN10-1461, Golden Valley, MN 55422. In Canada, write Retail Products ON15, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
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Automation and Control Solutions Honeywell Limited-Honeywell Limitée Honeywell 35 Dynamic Drive 1985 Douglas Drive North Scarborough, Ontario Golden Valley, MN 55422 M1V 4Z9 69-1575 G.H. 5-02 Copyright © 2002 Honeywell All Rights Reserved ® U.S. Registered Trademark Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. 32 www.honeywellcannon.
