Honeywell CHRONOTHERM III T8611M Manuel d'utilisateur

1 68-0076—1CONTENTSSpecifications ... 2Ordering Information ... 2Selec

10TABLE 3—T8611 GUIDE FOR REPLACING POPULAR T874 AND T872 THERMOSTATS,BY EQUIPMENT MANUFACTURER (Continued).(NOTE: Also see form 70-6627, Heat Pump Th

11 68-0076—1TABLE 3—T8611 GUIDE FOR REPLACING POPULAR T874 AND T872 THERMOSTATS,BY EQUIPMENT MANUFACTURER (Continued).(NOTE: Also see form 70-6627, He

12InstallationCOMPATIBILITYThe T8611 Thermostats will replace most heat pumpsystem thermostats. As long as ac power is continuouslyavailable to the th

13 68-0076—1Fig. 4—Removing thermostat from subbase.The subbase mounts directly onto the wall with thescrews and anchors included. Instead, the subbas

14STAGE 2 COMPRESSOR CONTACTORPOWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.POSSIBLE CHECK LED CIRCUITS:SOME OLDER HEAT

15 68-0076—1Fig. 7—Restrict wiring to recessed area surrounding terminals.T8611MINSTALLATIONDENOTES THERMOSTAT TO SUBBASE INTERCONNECT.APPLICABLE ONLY

16Fig. 8—T8611M Thermostat with EM.HT.-HEAT-OFF-AUTO-COOL system and ON-AUTO fan switching;EM.HT., CHECK, and AUX. HT. LEDS. Applied to 3-stage heat/2

17 68-0076—1EM.HT. and CHECK LEDs. Applies to 2-stageheat/2-stage cool system in which both heatingstages are compressorized.Fig.10—T8611M Thermostat

18Fig. 13—Mounting thermostat on subbase.Checkout!CAUTIONDuring cold weather, some heat pumps will re-quire that crankcase heater be energized several

19 68-0076—1System Press Look For This ResponseSwitch This KeyPosition Key Down Key ReleasedOFF 03 Blank07 Blank15 BlankCOOL or 15 1st stage cooling,

2T8611MSPECIFICATIONS • ORDERING INFORMATIONSpecificationsOrdering InformationWhen purchasing replacement and modernization products from your TRADELI

20M5346Third System Switch SensorDigit Position Location0 COOL, AUTO or OFF Local1 HEAT or EM.HT. Local4 COOL, AUTO or COOL Remote5 HEAT or EM. HT. Re

21 68-0076—1Press and hold until the display shows thetime that the temperature should be at thecomfort setting.Press and hold until the display shows

22Press and release. The display showsNIGHT and the preprogrammed time andtemp-erature.Press and hold until the display shows thetime to start the ene

23 68-0076—1STEP 3COPYING THE PROGRAM TOTHE DESIRED DAYSIt is possible to copy the program forone day to any other day or combina-tion of days. The ne

24Press and release so COOL shows on thedisplay.Press and release the PERIOD key to stepthrough the time periods, and use theWARMER/COOLER keys to set

25 68-0076—1Then set the system switch. (contin-ued)AUTO (select models only): The ther-mostat controls either the heating or cool-ing system, dependi

26REPROGRAMMING THETHERMOSTATIf schedule changes or a different tem-perature is desired, update any settingwithout affecting the rest of the pro-gram.

27 68-0076—1Press and release to return to normaloperation.CHECKING THE PROGRAMTIMES AND TEMPERATURESIf desired, check all the stored settingswithout

28the auxiliary heat even when the T8611 is calling for it.(Balance point is the outdoor temperature below which theheat pump must call on auxiliary h

29 68-0076—1TroubleshootingHEAT PUMP OR AUXILIARY HEAT WON'T OPERATENO ac POWER TO THERMOSTATCHECK POWER TO HEAT PUMP OR AUXILIARY HEATING SYSTE

3 68-0076—1T8611MSPECIFICATIONSFig. 1—T8611 Subbase mounting dimensions in in. [mm].4 [121]343 [83]5167 [179]1 [46]13165 [135]516M5181A

30conditioning equipment to return the building from theenergy saving temperature to the comfort temperature.The thermostat starts the recovery period

31 68-0076—1T8611MTABLE OF CONTENTSTable of ContentsPageSpecifications ...

32Home and Building Control Home and Building Control Helping You Control Your WorldHoneywell Inc. Honeywell Limited—Honeywell Limitée1985 Douglas Dri

4T8611MSPECIFICATIONSFig. 3—Typical thermostat keypad.SYSTEMRUNPROGRAMPERIODTIMETEMPERATUREPRESENTSETTINGSKIPNEXTPERIODCHANGETO LASTPERIODSETPRESENTDA

5 68-0076—1T8611MSELECTION/APPLICATIONSelection/ApplicationThe T8611 Thermostat uses the latest microelectronicdesign and control technology to provid

6Table 2 lists features and wiring terminal functions of the TRADELINE T8611M thermostat.TABLE 2—T8611M FEATURES AND TERMINALS.T8611MFEATURESCOMMENTSH

7 68-0076—1(continued)TABLE 3—T8611 GUIDE FOR REPLACING POPULAR T874 AND T872 THERMOSTATS,BY EQUIPMENT MANUFACTURER.(NOTE: Also see form 70-6627, Heat

8(continued)TABLE 3—T8611 GUIDE FOR REPLACING POPULAR T874 AND T872 THERMOSTATS,BY EQUIPMENT MANUFACTURER (Continued).(NOTE: Also see form 70-6627, He

9 68-0076—1(continued)TABLE 3—T8611 GUIDE FOR REPLACING POPULAR T874 AND T872 THERMOSTATS,BY EQUIPMENT MANUFACTURER (Continued).(NOTE: Also see form 7