Honeywell T8665D manual

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Table of contents for the manual

  • Page 1

    69-1538 OWNER’S GUID E ® U.S. Registered T rademark Copyright © 2003 Honeywell International Inc[...]

  • Page 2

    69-1538 2 Contents Introduction ........ .............. .............. .............. ..............[...]

  • Page 3

    3 69-1538 INTRODUCTION Congratulations on purchasing your new EnergyPro™ Thermostat. This exciting[...]

  • Page 4

    69-1538 4 USING THIS GUIDE The T8665C,D,E Commu nicating Thermostat uses two-way radio frequency (RF[...]

  • Page 5

    5 69-1538 Fig. 1. Thermostat keyboard descr iption. M20893 A Time Set Program Run Program Hold Temp [...]

  • Page 6

    69-1538 6 Fig. 2. Example of thermostat display . Auto System Fan Off Wait Wake Mon AM Filter Days O[...]

  • Page 7

    7 69-1538 THERMOSTAT FEATURES • Adaptive Intelligent Reco very™ Control for comfort and e nergy [...]

  • Page 8

    69-1538 8 Special Energy Saving Features The EnergyPro™ Thermostat supports Demand Response and Pr[...]

  • Page 9

    9 69-1538 Pre-Cool and Pre-Heat Y our Energy Utility may decide to use the Pre-cool /Pre-heat featur[...]

  • Page 10

    69-1538 10 Display shows Critical rate in effect. Display shows High rate in effect. Display shows M[...]

  • Page 11

    1 1 69-1538 My Choice There may be times when you need to cancel an energy-saving ev ent such as De [...]

  • Page 12

    69-1538 12 even program the thermostat to return to your regular programming schedule on your last d[...]

  • Page 13

    13 69-1538 Mon = Monday , T ue = T u esday , Wed = W ednesday , Thu = Thursday , Fri = Friday , Sat [...]

  • Page 14

    69-1538 14 Daylight Saving Time NOTE: If current time is Daylight Saving T ime, press Daylight T ime[...]

  • Page 15

    15 69-1538 CAUTION Equipment Damage Hazard . Can cause permanent damage to the compressor or other e[...]

  • Page 16

    69-1538 16 Setting Fan Key Press Fan key until desired mode (On or Auto) displays: On: Fan operates [...]

  • Page 17

    17 69-1538 Press the Run Program key to cancel the temporary tempera ture setting before the designa[...]

  • Page 18

    69-1538 18 NOTE: The Display changes from setpoint to room temperature af ter approximately three se[...]

  • Page 19

    19 69-1538 IMPORT ANT T o cancel V acation Hold before desig- nated time, press Run Program key . 2.[...]

  • Page 20

    69-1538 20 NOTE: Only the heating temper ature is used when System is set to Heat. Simila rly , only[...]

  • Page 21

    21 69-1538 Using the i (Information) Key The i (information) key provid es information at your finge[...]

  • Page 22

    69-1538 22 If filter status is expired, press i key twice to display outdoor temper- ature. See Filt[...]

  • Page 23

    23 69-1538 Filter Indicator Y our thermostat monitors the amount of time the fan is running and lets[...]

  • Page 24

    69-1538 24 Hold down Filter key to reset counter . 3. Press T ime ∆ or T i me ∇ until desired nu[...]

  • Page 25

    25 69-1538 Heat Pump Fault Monitor LED lights red when heat pump failure is detected. Switch thermos[...]

  • Page 26

    69-1538 26 Program Periods: W AKE—The program period when you want the house at a comfortable temp[...]

  • Page 27

    27 69-1538 Instructions: 1. Write the time you want for each program period. 2. Write the heating an[...]

  • Page 28

    69-1538 28 Customizing Your Own 7-Day Schedule T abl e 2. Y our 7-Day Schedule. Day W AKE LEA VE RET[...]

  • Page 29

    29 69-1538 THURS TIME FA N H AUTO C ON TIME FA N H AUTO C ON TIME FA N H AUTO C ON TIME FA N H AUTO [...]

  • Page 30

    69-1538 30 Programming the First Day T o modify the preprogrammed schedul e, start by programming th[...]

  • Page 31

    31 69-1538 Press the T ime ∆ or Time ∇ key to select time W ake period will begin. Example displ[...]

  • Page 32

    69-1538 32 5. Press Fan key to modify fan operation. Selecting Auto means fan runs only when heating[...]

  • Page 33

    33 69-1538 7. Press  increase or decrease  key until desired temperature setpoint displ ays. P[...]

  • Page 34

    69-1538 34 1. Press W ake, Leave, Return o r Sleep key to enter program mo de. 2. Press Day key to s[...]

  • Page 35

    35 69-1538 Press Day key again to select the day to copy to. Example display shows Monday and Wednes[...]

  • Page 36

    69-1538 36 Clearing a Program Period Thermostat must be in program mode to use clear feature. Go to [...]

  • Page 37

    37 69-1538 3. Press and hold Leave, Return or Sleep key until start time and temperature set- ting c[...]

  • Page 38

    69-1538 38 REPLACING THE BATTERIES (T8665C ONLY) IMPORTANT Three AA alkaline batteries are included [...]

  • Page 39

    39 69-1538 3. When batteries are running low , a REPL BA T message flashes for one to two months bef[...]

  • Page 40

    69-1538 40 Always use fresh alkaline batteries. Non - alkaline batteries do not last as long and can[...]

  • Page 41

    41 69-1538 How do you know when the system is in recovery? The thermostat displays “Recovery” wh[...]

  • Page 42

    69-1538 42 Fig. 3. Explan ation of Adaptive In telligent Recovery™ control. At 4:00 AM Recovery Be[...]

  • Page 43

    43 69-1538 TROUBLESHOOTING (TABLE 3) T ab le 3. T roubleshoo ting. Symptom Possible Cause Action Dis[...]

  • Page 44

    69-1538 44 T emperature setting does not change (Example: cannot set the heating higher or the cooli[...]

  • Page 45

    45 69-1538 Heating does not come on. The thermostat is part of a Demand Response event. No power to [...]

  • Page 46

    69-1538 46 Cooling does not come on The thermostat is part of a Demand Response event. No power to t[...]

  • Page 47

    47 69-1538 System on indicator— for heat; for cool— is lit, but no warm or cool air is coming fr[...]

  • Page 48

    69-1538 48 Room temperature is cooler than current setting and air conditioner is still running. The[...]

  • Page 49

    49 69-1538 1COM is displayed. The thermostat is unable to communicate with Ene rgy Utility managemen[...]

  • Page 50

    69-1538 50 WARRANTY Honeywell warrant s this product, exclu ding battery , to be free from defects i[...]

  • Page 51

    51 69-1538 THIS W ARRANTY IS THE ONL Y EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT . THE DURA T[...]

  • Page 52

    69-1538 G .H. 04-03 www .honeywell.com/yourhome Printed in U.S.A. on recycled paper containing at le[...]