Instruction/ maintenance manual of the product T7512D Honeywell
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1 69-1153 USER’S GUIDE 69-1153 Energy Management Thermostat W eekday/W eekend (5-day/ Saturday/Sunday) Programmable Heat and/or Cool Conventional and Heat Pump T7512A,B,C,D.
2 69-1153 W elcome to the world of comfort and energy savings with your new Honeywell Energy Management Thermostat. 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.
3 69-1153 ling your home at a higher temperature during the cooling season and a lower temperature during the heating season. Fig. 1. Time-of-use pricing indicator . Direct Load Control. If your utility offers Direct Load Control (DLC), this thermostat can be controlled by your utility to limit your cooling and heating use during peak demand times.
4 69-1153 T able Of Contents Recovery From Setback .......................................................................................................... ...... 5 Programming Y our Thermostat .......................................................
5 69-1153 RECOVER Y FROM SETBACK The term recovery refers to the process the thermostat uses to operate the heating or cooling equipment to return the house from the energy savings setting you selected for when you are away or asleep to the temperature you prefer when you are home and awake.
6 69-1153 PROGRAMMING YOUR THERMOST A T IMPORT ANT Batteries must be installed to maintain time and date in the ev ent of power loss. Y ou will find it helpful to complete the Personal Programming Charts on the following pages before you begin programming the thermostat.
7 69-1153 has time to warm up or cool down before you get up. LEA VE 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 .
8 69-1153 At 10:00 PM every night, the thermostat sets the heating temperature back to 60 ° F; the cooling temperature remains at 76 ° F. Y ou do not need to enter a time and temperature program for every period if your schedule does not require it.
9 69-1153 Heating Schedule (f or Winter Use): If you subscribe to T ime-of-Use Pricing, use the following table to plan the offset values you will enter for each T ime-of-Use Pricing rate, use a numerical value as described in Enter Offset V alues. Y ou should enter a different of fset value for the heating and cooling seasons, see chart.
10 69-1153 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.
11 69-1153 or Cooler keys to set the weekday W AKE temperature from your Personal Program- ming Charts. Repeat the above sequence for the other weekday schedules: LEA VE, RETURN, and SLEEP . Press the W eekend Schedule key until SA T , W AKE and SET appear on the display .
12 69-1153 for rate 1 is displayed (note the indicator on the thermostat display as shown in Fig. 1). Use the W armer and Cooler keys to set the of fset value. Repeat the procedure for each rate. After you have entered the last offset value, press the Run Program key .
13 69-1153 Y ou can change the system setting by pressing the System key . Each time you press the key , the system status changes to the next setting.
14 69-1153 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 single- speed fan to turn on automatically with the air conditioner or furnace.
15 69-1153 scheduled program change. (If you subscribe to T ime-of-Use Pricing, it stays in effect only until the next rate change.) T o 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.
16 69-1153 until the program you want to cancel is dis- played; then press the Clear key . NOTE: Y o u cannot cancel the WEEKDA Y W AKE program. Check Usage This thermostat keeps a record of the current and accumulated on-time of your heating and cooling equipment.
17 69-1153 respectively ,are then incrementally displayed. If you continue to press the Usage key , accumu- lated usage values are repeated for rates 1 through 4. Press the Run Program key to stop viewing usage. Current day usage is automatically cleared at midnight.
18 69-1153 changes to the next setting. When F AN is 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 .
19 69-1153 your utility company . If you notice the tempera- ture in your home is higher or lower than the setting you programmed into the thermostat, check the thermostat display . T o indicate the equipment is under DLC, the thermostat displays the word SA VING.
20 69-1153 When a rate change message is received by the thermostat, your heating/cooling system automatically operates at the temperature and offset value you programmed. Y ou cannot temporarily override the offset. If you need to change the offset, refer to Programming Y our Thermostat.
21 69-1153 two months before the batteries run out com- pletely . Replace the batteries as soon as possible after the indicator starts flashing. Y ou will need two AA alkaline batteries; non- alkaline batteries will not last as long, and can leak, causing damage to the thermostat or the wall surface.
22 69-1153 TROUBLESHOOTING GUIDE IF ... THEN… Display will not come on. • There is no power applied to the thermostat. Check fuse or circuit breaker . T emperature display will not •Y ou have reached the temperature setting limit. The setting go lower than 45 ° F or higher range is 45 ° F to 88 ° F.
23 69-1153 Heating will not come on. • Check that the system control on the thermostat is set to HEA T . • Check the display . If SA VING is displayed, the system is in in DLC mode and the thermostat is utility controlled. Heating cannot come on until the DLC period ends.
24 69-1153 Cooling will not come on. ( cont. ) • The thermostat has a built-in time delay on cooling. T o prevent equipment damage, allow five to ten minutes after changing the setting before the air conditioner starts.
25 69-1153 The house is too warm or • If you subscribe to Real-time Pricing, you may need to adjust too cool. ( cont. ) your offset values to provide a more comfortable temperature. • Check the display . If SA VING is displayed, the system is in DLC mode and your thermostat is utility controlled.
26 69-1153 Incorrect room temperature • The thermostat is factory-calibrated, and cannot be adjusted. showing on thermostat displa y . •Y ou are a subscriber to one of the special pricing programs Thermostat is flashing and your thermostat has lost communication with the utility CALL <xxx-xxxx>.
27 69-1153 TOLL-FREE CUST OMER ASSIST ANCE For all questions concerning this thermostat, please read and follow the instructions. If additional assistance is needed, call your utility’s Customer Assistance number .
28 69-1153 WARRANTY CONDITIONS.C.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 .
29 69-1153 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 .
30 69-1153 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 our Customer Assistance Center , Honeywell Inc., P .O. Box 524, Minneapolis, MN 55440-0524.
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32 69-1153 69-1153 R.L. 9-97 Copyright © 1997 Honeywell Inc. All Rights Reserved ® U.S. Registered T rademark www .honeywell.com/yourhome Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 3N7 Home and Building Control Honeywell Inc.
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If you already are a holder of Honeywell T7512D, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell T7512D.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell T7512D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell T7512D along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
