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Manuel d’utilisation Honeywell CHRONOTHERM T8621A

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Summary
  • Honeywell CHRONOTHERM T8621A - page 1

    1 68-0058—1 T8621A,C,D Chr onotherm™ III Fuel Sa v er Thermostats C . H. • Rev. 8-92 • ©Honeywell Inc. 1992 • Form Number 68-0058—1 ■ Full seven-day program capability; different sched- ules may be selected for every day. ■ Can be programmed in hand (with batteries in- stalled) or on wall to provide up to four temperature settings ...

  • Honeywell CHRONOTHERM T8621A - page 2

    2 T8621A,C,D SPECIFICATIONS • ORDERING INFORMATION Specif ications IMPORTANT: The specifications given in this publica- tion do not include normal manufacturing toler- ances. Therefore, this unit may not exactly match the listed specifications. Also, this product is tested under closely controlled conditions, and some minor differences in perform ...

  • Honeywell CHRONOTHERM T8621A - page 3

    3 68-0058—1 T8621A,C,D SPECIFICATIONS TABLE 2—TRADELINE MODELS. Thermostat Model Stages Changeover Switching Number Heat Cool Type System Fan Application T8621A* 1 1 Auto HEAT-AUTO- ON-AUTO Single stage COOL-OFF T8621C 2 1 Auto HEAT-AUTO- ON-AUTO Multistage COOL-OFF T8621D* 2 2 Auto HEAT-AUTO- ON-AUTO Multistage COOL-OFF *Model available with s ...

  • Honeywell CHRONOTHERM T8621A - page 4

    4 T8621A,C,D SPECIFICATIONS • SELECTION/APPLICATION Fig. 2—202905AA Remote Temperature Sensor dimensions in in. [mm]. 4 3 32 [104] FRONT 1 31 32 [50] SIDE M5244 2 [51] 1 31 32 [50] 41 64 [16] 3 8 1 19 64 9 64 1 2 [8] [4] DIA. [13] [35] 1 [25] BACK Fig. 3—Typical thermostat keypad. SYSTEM RUN PROGRAM PERIOD TIME TEMPERATURE PRESENT SETTING SKI ...

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  • Honeywell CHRONOTHERM T8621A - page 10

    10 Fig. 9—T8621C 2-stage heat/1-stage cool thermostat with HEAT-AUTO-COOL-OFF system and AUTO-ON fan switching. NOMINAL 24 Vac POWER MUST BE PRESENT BETWEEN R AND C FOR THERMOSTAT OPERATION. DENOTES THERMOSTAT TO SUBBASE INTERCONNECTION. M5233 HEATING TRANSFORMER R C W1 W2 HEAT RELAY 1 HEAT RELAY 2 COOLING TRANSFORMER Y1 G RC COOLING CONTACTOR FA ...

  • Honeywell CHRONOTHERM T8621A - page 11

    11 68-0058—1 Fig. 10—T8621D 2-stage heat/2-stage cool thermostat with HEAT-AUTO-COOL-OFF system and AUTO-ON fan switching. APPLICABLE ONLY ON T8621D MODEL WITH REMOTE SENSOR. RECOMMENDED INTERCONNECT CABLE: 18-GAUGE THERMOSTAT CABLE, 200 ft. [61 m] MAXIMUM LENGTH. ROUTE INTERCONNECT CABLE AWAY FROM SOURCES OF ELECTRICAL NOISE. DENOTES THERMOSTA ...

  • Honeywell CHRONOTHERM T8621A - page 12

    12 T8621A,C,D INSTALLATION Fig. 11—T8621D 2-stage heat/2-stage cool thermostat with HEAT-OFF-COOL system and AUTO-ON fan switching; auto fan on heat and cool; convertible to auto fan on cool only. FOR ELECTRIC HEAT APPLICATIONS (AUTO FAN OPERATES WITH W1 AND Y1). USE ONLY ONE TRANSFORMER; JUMPER R AND RC. SET SWITCH TO ELECTRIC POSITION. NOMINAL ...

  • Honeywell CHRONOTHERM T8621A - page 13

    13 68-0058—1 T8621A,C,D INSTALLATION Fig. 12—T8621C,D single stage heat pump with heating changeover. HEAT-AUTO-COOL-OFF system and AUTO-ON fan switching. M1547C SYSTEM TRANSFORMER R C W1 W2 Y2 Y1 G RC FAN RELAY HIGH LIMIT HIGH LIMIT L1 (HOT) L2 HEAT AUTO COOL SYSTEM SWITCH AUTO ON FAN SWITCH T8621D ONLY. DENOTES THERMOSTAT TO SUBBASE CONNECTIO ...

  • Honeywell CHRONOTHERM T8621A - page 14

    14 T8621A,C,D INSTALLATION Fig. 13—T8621C,D single stage heat pump with cooling changeover. HEAT-AUTO-COOL-OFF system and AUTO-ON fan switching. 4 5 6 RECOMMENDED INTERCONNECT CABLE: 18-GAUGE THERMOSTAT CABLE, 200 ft. [61 m] MAXIMUM LENGTH. ROUTE INTERCONNECT CABLE AWAY FROM SOURCES OF ELECTRICAL NOISE. T8621D ONLY. DENOTES THERMOSTAT TO SUBBASE ...

  • Honeywell CHRONOTHERM T8621A - page 15

    15 68-0058—1 T8621A,C,D INSTALLATION Fig. 14—T8621D single stage heat pump. HEAT-OFF-COOL system and AUTO-ON fan switching. M1546 A SYSTEM TRANSFORMER R C W1 W2 B HEATING CHANGEOVER RELAY O Y2 Y1 G RC COMPRESSOR CONTACTOR COOLING CHANGEOVER RELAY FAN RELAY HEAT 2 HEAT 1 HIGH LIMIT HIGH LIMIT L1 (HOT) L2 HEAT OFF COOL SYSTEM SWITCH COOL 1 COOL 2 ...

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  • Honeywell CHRONOTHERM T8621A - page 17

    17 68-0058—1 T8621A,C,D INSTALLATION • CHECKOUT Fig. 17 — Mounting thermostat on subbase. M 843 PM MORNIMG MON HEAT ON ROOM SYSTEM A U T O P M M O R N IM G M O N H E A T O N R O O M SYSTEM RUN PROGRAM TIME TEMPERATURE PRESENT SETTING SKIP NEXT PERIOD CHANGE TO LAST PERIOD SET PRESENT DAY/TIME HOLD TEMP DAY SET HEAT/COOL CANCEL PERIOD COPY FRO ...

  • Honeywell CHRONOTHERM T8621A - page 18

    18 System Press Look For This Response Switch This Key Position Key Down Key Released OFF 06 Blank 02 Blank 05 Blank 04 Blank 01 Blank 00 Blank (CHECK 12 See note A . EACH POSITION) OFF 08 Blank 1 3 Microprocessor mask no. and revision no. 09 Blank 14 Blank HEAT or 14 1st stage heating and AUTO SYSTEM LED on. 14 2nd stage heating also on. 1 4 2nd s ...

  • Honeywell CHRONOTHERM T8621A - page 19

    19 68-0058—1 T8621A,C,D CHECKOUT • PROGRAMMING THE THERMOSTAT Cycle Rate Setting (cph at 50% on time for stage First 1 on 1-heat models, stage Digit 2 on 2-heat models) 01 13 29 36 Third Manual or Auto System Switch Digit Changeover Position 0 Manual HEAT or OFF 1 Auto HEAT or OFF 3 Auto AUTO 4 Manual COOL 5 Auto COOL Second Stages of Digit Hea ...

  • Honeywell CHRONOTHERM T8621A - page 20

    20 T8621A,C,D PROGRAMMING THE THERMOSTAT STEP 2 SET THE PROGRAM TIMES AND TEMPERATURES FOR ONE DAY Choose a day to program first. Monday is used in the examples. Start by pro- gramming the MORNING time and temperatures. The thermostat requires a MOR NING program every day. Set additional programs as desired. Program the MIDDAY time and heat- ing te ...

  • Honeywell CHRONOTHERM T8621A - page 21

    21 68-0058—1 T8621A,C,D PROGRAMMING THE THERMOSTAT Program the EVENING time and tem- perature, if desired. Program the NIGHT time and tempera- ture, if desired. Set the cooling temperatures for all the periods programmed.The program times are the same for both heating and cool- ing. Only the cooling temperatures need to be programmed if programmi ...

  • Honeywell CHRONOTHERM T8621A - page 22

    22 T8621A,C,D PROGRAMMING THE THERMOSTAT Press and release. The display shows the preprogrammed cooling tempera- ture a nd the programmed start time for MORNING. Press and hold until the display shows the desired cooling temperature for MORNING. Press and release. The display shows the preprogrammed cooling tempera- ture and the programmed start ti ...

  • Honeywell CHRONOTHERM T8621A - page 23

    23 68-0058—1 T8621A,C,D PROGRAMMING THE THERMOSTAT NOTE: The display will show 32 ° F instead of the current temperature until the thermostat is mounted on the subbase and the system is pow- ered. STEP 4 SET THE SCHEDULES AND TEMPERATURES FOR THE REMAINING DAYS Use the procedures described in Steps 2 and 3 and summarized in this step to program ...

  • Honeywell CHRONOTHERM T8621A - page 24

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  • Honeywell CHRONOTHERM T8621A - page 25

    25 68-0058—1 T8621A,C,D PROGRAMMING THE THERMOSTAT • OPERATING THE THERMOSTAT Operating the Thermostat TEMPORARILY CHANGING THE PROGRAM These features allow customizing the program for those times when someone comes home early, is working late or planning to be out for the evening. Changes made with these keys are ac- tive for one program perio ...

  • Honeywell CHRONOTHERM T8621A - page 26

    26 T8621A,C,D OPERATING THE THERMOSTAT Press and hold the Time or Temperature keys until the display shows the desired new program. Press and release. The next day will flash on the display. Press COPY TO to copy into, or DAY to bypass, the day. Continue until the program has been copied into all desired days. Press and release to return to normal ...

  • Honeywell CHRONOTHERM T8621A - page 27

    27 68-0058—1 T8621A,C,D OPERATING THE THERMOSTAT CHECKING THE PROGRAM TIMES AND TEMPERATURES If desired, check all the stored set- tings without affecting the perma- nent program. CHECKING THE CURRENT TEMPERATURE SETTING Press a single key to compare actual room temperature to the setting at any time. Press and hold until the desired period shows ...

  • Honeywell CHRONOTHERM T8621A - page 28

    28 T8621A,C,D OPERATION ADAPTIVE INTELLIGENT RECOVERY™ OPERATION Adaptive Intelligent Recovery™ is the Honeywell trade- mark for the way the T8621 controls the heating and cooling equipment during recovery from an energy sav- ings setting to a comfort setting. During recovery, the control point changes gradually rather than jumping from the ene ...

  • Honeywell CHRONOTHERM T8621A - page 29

    29 68-0058—1 T8621A,C,D TROUBLESHOOTING AUTOMATIC THERMOSTAT HEATING OR COOLING TEMPERATURE CAN NOT BE SET CLOSER THAN 3 F O THERMOSTAT MOUNTED INCORRECTLY ON BASE BATTERIES ARE INCORRECTLY INSTALLED SYMPTOM POSSIBLE CAUSE ACTION NO ac POWER TO THERMOSTAT CHECK POWER TO FURNACE OR AIR CONDITIONER. –ON-OFF SWITCH –FUSE OR CIRCUIT BREAKER –LO ...

  • Honeywell CHRONOTHERM T8621A - page 30

    30 T8621A,C,D GLOSSARY Glossary Comfort temperature The temperature desired when active and occupying the building. Energy-saving temperature The lower (heating) or higher (cooling) temperature that allows savings on heating and cooling costs when asleep or away. Also called the setback (heating) or setup (cooling) temperature. Preprogrammed schedu ...

  • Honeywell CHRONOTHERM T8621A - page 31

    31 68-0058—1 T8621A,C,D TABLE OF CONTENTS T able of Contents page Specifications ................................................................................................................. ..................................................... 2 Ordering Information ............................................................................ ...

  • Honeywell CHRONOTHERM T8621A - page 32

    32 Home and Building Control Home and Building Control Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2V9 Printed in U.S.A. ...

Fabricant Honeywell Catégorie Thermostat

Les documents que nous recevons du fabricant de l'appareilHoneywell CHRONOTHERM T8621A peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Honeywell
- manuels d’utilisations CHRONOTHERM T8621A
- fiches produit Honeywell
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Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Honeywell CHRONOTHERM T8621A.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Honeywell CHRONOTHERM T8621A, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Honeywell CHRONOTHERM T8621A. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Honeywell CHRONOTHERM T8621A.

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Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Honeywell CHRONOTHERM T8621A par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Honeywell CHRONOTHERM T8621A.

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