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Honeywell CHRONOTERM IV T8624D manual

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Table of contents for the manual

  • Page 1

    X-XX UL INST ALLA TION INSTRUCTIONS ®U.S. Registered Trademark Copyright © 1997 Honeywell Inc. • • All Rights Reserved T8624D Chronotherm ® IV Deluxe Zone Multistage Thermostat APPLICA TION The T8624D Chronotherm® IV Deluxe ZoneMultistage Thermostat provides electronic control of 24 Vac multistage zoned heating and cooling system. Refer to [...]

  • Page 2

    69-1074 2 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T 5 FEET [1.5 METERS] YES NO NO NO M10106 Fig. 1. Typical location of thermostat. Fig. 2. Mounting the wallplate.  Use a pencil to mark the mounting holes. See Fig. 2.  Remove the wallplate from the wall and drill two 3/16 inch holes in the wall (if drywall) as marked. Fo[...]

  • Page 3

    69-1074 3 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T Fig. 3. Typical wiring diagram for T8624 on zone 1 TotalZone® control panel. Fig. 4. Typical wiring diagram for T8624D on zone 1 MABS II control panel. M4826 FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). FOR STRAIGHT INSERTION STRIP 5/16 IN. (8 MM). Fig. 6. Mounting therm[...]

  • Page 4

    69-1074 4 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T Fig. 7. T8624D key locations and descriptions. Cool: The thermostat controls the cooling. Auto: The thermostat automatically changes between heating and cooling operation, depending on the indoor temperature. Fan settings control the system fan as follows: On: Fan operates co[...]

  • Page 5

    69-1074 5 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T T emperature Settings Refer to Table 2 for the default program. If the daytime energy savings period is not used, press the period key (Leave or Return) until the time is blank. The fan setting feature is available on select thermostat models. See Owners Guide, form number 69[...]

  • Page 6

    69-1074 6 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T a The cycle rate for the second stage of heat is adjustable with 6 cph being the factory setting. (Continued) Table 3. Thermostat Installer Setup Options. Installer Setup Number (Press Time ▲ key to Factory-Setting Other Choices (Press ▲ or ▼ key to change) Actual Selec[...]

  • Page 7

    69-1074 7 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T Table 3. Thermostat Installer Setup Options (Continued). IMPORTANT Review the settings to confirm that they match the system. Press Run Program to exit the Installer Setup. The thermostat has saved the Installer Setup changes and initiated a reset in order to operate with the[...]

  • Page 8

    69-1074 8 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T  Press Time ▲ ▲ or Time ▼ ▼ until the current time is displayed. NOTE: Tapping the Set Current Day/Time will advance the time in one hour increments. NOTE: If the current time is Daylight Savings Time, press Daylight Time until DST is displayed. M10314 Time Set Pro[...]

  • Page 9

    69-1074 9 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T Table 5. Installer Self-Test Options. NOTE: Press any key and the displayed numbers will change. Press Time ▼ ▼ to go to the previous test and Time ▲ ▲ to go to the next test. The Run Program Key will not exit this test. Press Time ▲ ▲ or Time ▼ ▼ and then the[...]

  • Page 10

    69-1074 10 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T THERMOST A T INFORMA TION  Press the Time ▲ ▲ key to access the thermostat information. M4934 M4932A M4933A M10229 M10351  Press the increase ▲ key to display the production date code. The first two large digits are the month and the third digit is the last digit[...]

  • Page 11

    69-1074 11 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T Troubleshooting Guide (Continued). a Select models. Symptom P ossible Cause A ction Temperature settings will not change. (Example: Cannot set the The upper or lower temperature limits were reached. Check the temperature setpoints: • Heating limits are 40 to 90°F (7 to 31[...]

  • Page 12

    69-1074 12 T8624D CHRONO THERM ® IV DELUXE ZONE MUL TIST AGE THERMOST A T 69-1074 J.H. 3-97 Printed in T aiwan R.O .C. 57 Bushes Lane Elmwood Park, NJ 07407-3204 www .honeywell.com/yourhome[...]