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Honeywell T7512A, User Manual

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Honeywell T7512A User Manual Download Page 26

26

69-1153

Incorrect room temperature

•

The thermostat is factory-calibrated, and cannot be adjusted.

showing on thermostat display.

•

You 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>.

company. Call the number displayed on the thermostat or the
number on the thermostat label for information.

Summary of Contents for T7512A

Page 1: ...1 69 1153 USER S GUIDE 69 1153 Energy Management Thermostat Weekday Weekend 5 day Saturday Sunday Programmable Heat and or Cool Conventional and Heat Pump T7512A B C D ...

Page 2: ...tat also contains a communications module This module allows your utility company to communicate with your thermostat to take advantage of special programs you can sub scribe to that can further increase your energy savings These special programs can include one or both of the following Time of Use Pricing If your utility offers Time of Use Pricing rates this thermostat will communicate with the u...

Page 3: ...g use during peak demand times When your thermostat is AM HR TUE COOL AUTO 1 2 3 4 M7904 INDICATOR FOR TIME OF USE PRICING under DLC the word SAVING is displayed on the thermostat See Fig 2 You must subscribe to these programs before your utility company can communi cate with your thermostat If you have any questions concerning the application of this thermostat or these special programs and featu...

Page 4: ...ime Day 10 Step 2 Enter the Program Schedules 10 Step 3 Set the System and Fan Controls 12 Step 4 Start the Thermostat Program 14 Operating Your Thermostat 14 Thermostat Operation When Special Programs are in Effect 18 Replacing the Thermostat Batteries 20 Troubleshooting Guide 22 Toll Free Customer Assistance 27 Warranty Conditions 28 ...

Page 5: ...or example if you program the thermostat s heating program to 72 F at 6 00 AM the heating equipment will come on at 6 00 AM and begin warming the house to 72 F If 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 fac...

Page 6: ...es in the Personal Program ming Charts There are four time periods available for weekdays Saturday and Sunday WAKE LEAVE RETURN and SLEEP on the T7512A B C D 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 WAKE is the time you get u...

Page 7: ...time Set the RETURN time earlier than the time you actually get home so the house has time to warm up or cool down before you get there SLEEP is the time you usually go to sleep While you are sleeping you can save energy by setting the thermostat to control the temperature higher or lower depend ing on the season For more comfortable sleeping some people choose not to raise the cooling temperature...

Page 8: ...hedule 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 NOTE Temperatures cannot be set any higher than 88 F or any lower than 45 F Personal Programming Charts Cooling Schedule for Summer Use Schedule Time Period Time Cooling Temperature Weekday WAKE LEAVE RETURN SLEEP Saturday WAKE LEAVE RETURN SLEEP Sunday WAKE LEA...

Page 9: ...s 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 Schedule Time Period Time Heating Temperature Weekday WAKE LEAVE RETURN SLEEP Saturday WAKE LEAVE RETURN SLEEP Sunday WAKE LEAVE RETURN SLEEP Offsets for Cooling Season Offsets for Heating Season Rate 2 Rate 3 Rate 4 Rate 2 Rate 3 ...

Page 10: ...d or Back keys until the current time is displayed To set the day press and release the Set Clock Day key again Press Ahead or Back keys until the current day is displayed After you have set the time and day press the Run Program key Step 2 Enter the Program Schedules Entering a Heating Schedule Refer to your Personal Programming Charts and proceed as follows Press the System key until the thermos...

Page 11: ...r the weekdays and Saturday 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 The offset value you enter is the number of degrees you are willing to allow the heating or cooling temperature you have already pro grammed for normal operation to change so you can save money...

Page 12: ...e cooling mode Enter cooling temperatures for the WAKE LEAVE RETURN and SLEEP times by following the same instructions as for Entering a Heating Schedule above If you subscribe to Time of Use Pricing enter offset values for the cooling season as you did for the heating season Step 3 Set the System and Fan Controls After programming the thermostat set the system and fan controls as follows System C...

Page 13: ...y heater element according to the schedule you programmed COOL The thermostat will control your air conditioning system according to the schedule you programmed heat pump in cooling mode No status Both the heating and air condition ing systems are off heat pump off displayed Fan Control There are two fan settings AUTO and ON Set the fan at the setting you want by pressing the Fan key Each time you...

Page 14: ...Thermostat Program To start the thermostat using the program you have just entered press the Run Program key OPERATING YOUR THERMOSTAT Normally you want your thermostat to run according to the program you entered however you can also change your program to perform the following operations NOTE The system control must be set to HEAT or COOL to perform the following operations Temporarily Change Tem...

Page 15: ...d then set the temperature using the Warmer or Cooler keys This temperature stays in effect until you press the Run Program key Check the Current Temperature Setting To check the current programmed temperature setting press the Present Setting key Then verify the setting you selected Check the Programs You Entered Press the Weekday Schedule or Weekend Schedule key Each time you press the key the n...

Page 16: ...sage press the System key to display HEAT or 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 If you do not subscribe to Time of Use Pricing the thermostat displays current usage the first time you press the Usage key and accumulated usage the next time you...

Page 17: ...of Use Pricing your utility can also clear the accumulators by sending a message to the thermostat Permanently Change a Program To permanently change a program repeat the appropriate steps in Programming Your Thermo stat 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 If you temporarily changed the temperatu...

Page 18: ...tem status changes to the next setting THERMOSTAT OPERATION WHEN SPECIAL PROGRAMS ARE IN EFFECT Normally your thermostat operates as you programmed it If you subscribe to either of the following special programs there may be times when it does not operate as you expect Before calling for service read the following information Direct Load Control DLC When the thermostat is operating under DLC the a...

Page 19: ...ity to bring the equipment on line effec tively of all homes that subscribe to DLC your thermostat automatically calculates and initiates a time delay before the heating or cooling equipment comes on You cannot override this time delay Time of Use Pricing If you subscribe to Time of Use Pricing the thermostat displays the rate in effect see Fig 1 You cannot adjust which rate is in effect you can o...

Page 20: ... information about either of these programs contact your utility company REPLACING THE THERMOSTAT BATTERIES IMPORTANT Batteries must be installed to maintain the time and date in the event of a power loss Although the thermostat has a low battery indicator replace the batteries once every two years to prevent the thermostat from losing its time date information in the event of a momentary power lo...

Page 21: ...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 Make sure positive and negative terminals are oriented correctly Replace the battery door INSTALL TWO AA ALKALINE BATTERIES AS SHOWN M7905 Fig...

Page 22: ...setting limit The setting go lower than 45 F or higher range is 45 F to 88 F than 88 F during programming Temperature change occurs Check the program times for the period in question Be sure incorrectly that AM and PM indications are correct Make sure the current day and time are correct Reprogram if necessary Remember that it takes time for the system to recover Refer to Recovery from Setback sec...

Page 23: ...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 Check the system fuse or circuit breaker and replace or reset if necessary Check the display If SAVING is displayed the system is in DLC mode and the thermostat is utility controlled ...

Page 24: ...m control to the OFF setting for ten minutes After ten minutes return the system control to the COOL setting If the air conditioner comes on the compressor may have reached its high limit temperature protection and shut down If the air conditioner does not come on after ten minutes and the display shows COOL contact your utility The house is too warm or Press Present Setting key to check the curre...

Page 25: ...ntil the DLC period ends System ON indicator is lit Allow time for the furnace or heat pump to heat up and the but no heat is coming from fan to come on before checking for heat at the register the registers The thermostat s current Be aware that it is normal for the current setting and setting does not match display temperature to differ occasionally the display temperature During recovery from s...

Page 26: ...ted showing on thermostat display You 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 company Call the number displayed on the thermostat or the number on the thermostat label for information ...

Page 27: ...se 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 ...

Page 28: ...defective or malfunctions Honeywell shall repair or replace it at Honeywell s option within a reasonable period of time If the product is defective i return it with a bill of sale or other dated proof of purchase to the retailer from which you purchased it or ii package it carefully along with proof of purchase including date of purchase and a short description of the malfunction and mail it posta...

Page 29: ...CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PRODUCT Some states do not allow the exclusion or limitation of incidental or consequential damages so this limitation may not apply to you THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT THE DURATION OF ANY IMPLIED WARRANTIES INCLUDING T...

Page 30: ...ary 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 In Canada write Retail Products ON15 02H Honeywell Limited Honeywell Limitée 155 Gordon Baker Road North York Ontario M2H 2C9 ...

Page 31: ...31 69 1153 ...

Page 32: ...neywell 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 Honeywell Plaza P O Box 524 Minneapolis MN 55408 0524 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers ...

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