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Honeywell T8024D manual

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Table of contents for the manual

  • Page 1

    PRODUCT DA T A ® U.S. Registered Trademark Copyright © 2001 Honeywell • • All Rights Reserved T8000C, T8001C,T8024D Programmable Thermostats APPLICATION The T8000C, T8001C and T8024D Programmable Thermostats provide programmable temperature control for 24 V ac heating-cooling systems with manual changeover from heat to cool. The T8000C and T0[...]

  • Page 2

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 2 ORDERING INFORMA TION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor , refer to the TRADELINE® Catalog or price sheets for complete ordering number . If you have additional questions, need further information, or would like t[...]

  • Page 3

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 3 INSTALLATION When Installing this Product… 1. Read these instructions carefully . Failure to follow them could damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your applic[...]

  • Page 4

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 4 M12202 W ALL W ALL ANCHORS (2) W ALLPLA TE MOUNTING SCREWS (2) Fig. 3. Mounting wallplate to wall. Wiring IMPORT ANT Use an 18-gauge maximum wire for wiring the thermostats. All wiring must comply with local electrical codes and ordinances. Disconnect the power supply to prevent el[...]

  • Page 5

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 5 L1 (HOT) L2 M12561 FAN RELAY T8000C THERMOSTAT COMPRESSOR CONTACTOR TRANSFORMER COOL DAMPER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS. JUMPER R TO Rc. 2 3 2 2 1 Y G Rc W 3 R B O H[...]

  • Page 6

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 6 Fig. 1 1. T8024D multistage heat/cool wiring diagram. Setting Fan Operation (Fuel) Switch The fan operation (fuel) switch is preset at the factory in the F position. See Fig. 1 1. This is the correct setting for most systems. If this system is an electric heat system, set the switc[...]

  • Page 7

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 7 Optional System Checkout When in steps 1c and 1d only , pressing the ▼ key can be used to turn heat or cool outputs on and off. Change the SYSTEM switch setting to test heat or cool outputs. No action takes place If the system switch is in the Off position. Examples: System setti[...]

  • Page 8

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 8 OPERATION Setting FAN and SYSTEM Switches Fan and system settings are controlled manually by using the switches located at the bottom of the thermostat case. See Fig. 14. Setting the Current Time and Day 1. To Set Current T ime. a. Press Select twice. b. Press ▲ or ▼ to set cur[...]

  • Page 9

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 9 6. SLEEP a. Press Select. Press ▲ or ▼ to set SLEEP time. b. Press Select. Press ▲ or ▼ to set SLEEP temperature. Setting the Weekend Program 7. W AKE a. Press Select. Press ▲ or ▼ to set W AKE time. b. Press Select. Press ▲ or ▼ to set W AKE temperature. 8. LEA VE [...]

  • Page 10

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 10 L1 (HOT) L2 1 L1 (HOT) L2 1 1 2 2 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. FACTORY INSTALLED JUMPER. SYSTEM SWITCH FAN SWITCH HEAT OFF COOL O G RC B R W Y FAN RELAY M11730 THERMOSTAT WALLPLATE SYSTEM COMPONENTS HEAT RELAY HEAT CHANGEOVER RELAY CO[...]

  • Page 11

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 11 L1 (HOT) L2 1 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. SYSTEM SWITCH FAN SWITCH HEAT OFF COOL O G B R W Y FAN RELAY M11731 THERMOSTAT WALLPLATE SYSTEM COMPONENTS HEAT RELAY HEAT CHANGEOVER RELAY COOL CHANGEOVER RELAY COMPRESSOR RELAY ON AUTO PO[...]

  • Page 12

    T8000C , T8001C AND T8024D PROGRAMMABLE THERMOST A TS 68-0195–2 2 SYMPTOM POSSIBLE CAUSE ACTION HEATING OR COOLING EQUIPMENT WON'T OPERATE. NO AC POWER TO THERMOSTAT. • CHECK THAT C TERMINAL IS CONNECTED TO THE SYSTEM TRANSFORMER (T8001 ONLY). • CHECK POWER TO HEATING AND COOLING EQUIPMENT – ON/OFF SWITCH – FUSE OR CIRCUIT BREAKER ?[...]