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Honeywell CHRONOTHERM T8600D Product Data

Deluxe programmable thermostats
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Chronotherm

APPLICATION

The T8600, T8601 and T8602 Chronotherm® IV Deluxe
Programmable Thermostats provide electronic control of
24 Vac single-stage heating and cooling systems.
T8600/T8601/T8602
FEATURES AND BENEFITS
• Full seven-day program capability; different schedules
and temperature setpoints may be selected for
everyday to match the homeowner's flexible schedule.
• Copy key makes programming easier and faster for
the installer and homeowner.
• Daylight Savings Time (DST) key for quick change in
and out of Daylight Savings Time.
• Models available with programmable fan operation for
added homeowner comfort.
• Easy temporary temperature setpoint changes for
current period, vacation hold (1 to 255 days) or
indefinite hold adds to the homeowner comfort and
energy savings.
• Frequently used keys are located by the Liquid Crystal
Display (LCD) for quick and easy access to
information.
• Attractive styling complements any decor to the
homeowner's delight.
• Back lighting the large display makes the LCD very
easy to read.
® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. •
T8600D, T8601D and T8602D
IV Deluxe Programmable
®
• Models available with outdoor temperature sensor
• Configurable features allows one model to be used to
• Minimum off time for cooling compressors and heat
• Easy installation, setup and system test saves
• Self-test simplifies troubleshooting and saves time by
• Adaptive Intelligent Recovery™ control brings the
• Setpoints are permanently held in memory (no
• Power stealing, hardwired and battery powered
• Universal Versaguard™ Thermostat guards available
Application ............................................................................. 1
T8600/T8601/T8602 Features and Benefits ......................... 1
Specifications ........................................................................ 2
Ordering Information ............................................................. 2
Installation ............................................................................. 4
Wiring .................................................................................... 4
Settings ................................................................................. 6
Installer Setup ....................................................................... 7
Installer Self-Test ................................................................. 10
Thermostat Information ....................................................... 11
Programming ....................................................................... 11
Operation ............................................................................ 16
Troubleshooting Guide ........................................................ 17
Cross Reference ................................................................. 19
Wiring Diagrams (Fig. 15-20) .............................................. 24
• All Rights Reserved
Thermostats
capability for homeowner convenience. The sensor is
also more accurate than a thermometer.
replace many different models (less inventory, no
longer need to carry separate models to get these
features).
- °F or °C temperature display;
- Automatic or manual changeover;
- Electric or conventional heat fan operation
- Adjustable heating cycle rate.
pumps protects the equipment and extends the
equipment life.
installer time and increases productivity.
overriding the time delays.
room temperature to temperature setpoint at the
programmed time, maximizing comfort and energy
savings.
batteries used) and retained during power outages for
increased installer and homeowner convenience.
models available for virtually all equipment and
application needs.
for added security.
PRODUCT DATA
Contents
68-0164-1

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  Summary of Contents for Honeywell CHRONOTHERM T8600D

  • Page 1: Table Of Contents

    • Attractive styling complements any decor to the homeowner’s delight. • Back lighting the large display makes the LCD very easy to read. ® U.S. Registered Trademark Copyright © 1997 Honeywell Inc. • • All Rights Reserved T8600D, T8601D and T8602D IV Deluxe Programmable ®...
  • Page 2: Specifications

    Honeywell Inc., 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
  • Page 3 Finish: Taupe color. Inrush (A) Dimensions: See Fig. 1. Mounting Means: The thermostat mounts on a wallplate. The wallplate mounts horizontally on a wall or outlet box with two no. 6 x 32 screws (included). Cool Accessories: Setting C7089B Outdoor Temperature Sensors (69-1020).
  • Page 4: Installation

    4. After completing installation, use these instructions to check out the product operation. Location Install the thermostat about 5 ft (1.5m) above the floor in an area with good air circulation at average temperature. See Fig. 2. Do not install the thermostat where it can be affected by: —...
  • Page 5 MOUNTING The thermostat mounts on the wallplate after they are SCREWS installed. 1. Engage tabs at the top of thermostat and wallplate. See Fig. 5. M15044 2. Press lower edge of case to latch. NOTE: To remove the thermostat from the wall, first pull out at the bottom of the thermostat;...
  • Page 6: Settings

    T8600D, T8601D AND T8602D CHRONOTHERM ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE. PRESS LOWER EDGE OF CASE TO LATCH. Fig. 5. Mounting thermostat on wallplate. SET WAKE TIMES AND SETPOINTS INCREASE TIME SETTING OR SCROLL FORWARD THROUGH INSTALLER SETUP...
  • Page 7: Installer Setup

    Installer System Test section. IV DELUXE PROGRAMMABLE THERMOSTATS ® The Installer Setup is used to customize the thermostat to specific systems. Some of the options include temperature display, changeover and outdoor temperature display. Installer Setup numbers are listed in Table 6. The table includes all the configuration options and the factory-settings for the thermostat.
  • Page 8 Not used 25 thru 29 — Deadband Number 2 must be set to 1 to extend fan operation. 68-0164—1 IV DELUXE PROGRAMMABLE THERMOSTATS ® Table 6. Thermostat Installer Setup Options. Factory-Setting Description Display — — Conventional applications where equipment controls fan operation in heat mode —...
  • Page 9 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 these new settings. Be sure to set the current day and time immediately.
  • Page 10: Installer Self-Test

    Daylight Copy Time INSTALLER SYSTEM TEST Use the Installer System Test to check the thermostat operation. Refer to Table 7 for a list of the available system tests. To start the system test: CAUTION The minimum off time for compressors is bypassed during the Installer System Test.
  • Page 11: Thermostat Information

    The thermostat display shows day, time, program period, temperature, system and fan operation selection. The thermostat can be set for four times and up to eight temperatures for each day of the week (28 independent time and 56 temperature settings). The quick temporary temperature changes to increase comfort.
  • Page 12: Programming The First Day

    T8600D, T8601D AND T8602D CHRONOTHERM NOTE: If the current time is Daylight Savings Time, press Daylight Time until DST is displayed. Time Set Program Daylight Set Current Wake Leave Return Sleep Program Day/Time Time Heat/Cool Hold Temp System Settings Daylight Copy Time 4.
  • Page 13: Copying A Day

    Program Copying a Day Setting Heat NOTE: The thermostat must be in the program mode to use Auto the copy feature. Go to step 2 if the thermostat is M10320 already in the program mode. 1. Press Wake.
  • Page 14: Setting Temporary Temperatures

    6. Repeat steps 2 through 5 for all the days desired. 7. Press Run Program. Clearing Program Period NOTE: The thermostat must be in the program mode to use the clear feature. Go to step 2 if the thermostat is already in the program mode.
  • Page 15 Fig. 12. Thermostat System and Fan key locations. Setting Temporary Fan Operation If your thermostat has a Fan key and this feature, press Fan until the desired fan operation is selected. This fan setting will be in effect until the next regularly scheduled period starts.
  • Page 16: Operation

    Hold Temp System Settings Heat Daylight Copy Time Displaying the Outdoor Temperature If your thermostat is equipped with an outdoor sensor, you can check the temperature at the sensor by pressing i once. Time Set Program Set Current Wake Leave...
  • Page 17: Troubleshooting Guide

    T8600D, T8601D AND T8602D CHRONOTHERM Thermostat Operation Startup When power to the thermostat is turned on, a startup and initialization program begins. The startup occurs only on initial powerup. After total loss of power for an extended period, the current time and day may need to be set, but the user program is held.
  • Page 18 — check if the power switch on the HVAC equipment is in the Off position—set to the On position. — check wiring between thermostat and HVAC equipment— replace any broken wires and tighten any loose connections. — If 24 Vac is present, proceed with troubleshooting.
  • Page 19: Cross Reference

    Wait a minute after seeing the on indicator and then check the registers. Verify operation of heating or cooling equipment in self-test. Enter Installer Setup number 24 and set to 1. Thermostat must have OT terminals and a C7089B1000 installed.
  • Page 20 T8600C1147 Trane logo; conventional; part no. TAYSTAT300. T8600C1154 American Standard logo; conventional; part no. ASYSTAT600. T8600C1162 SUPER TRADELINE® thermostat; Honeywell logo; duel fuel fan control; O and B terminals. 68-0164—1 IV DELUXE PROGRAMMABLE THERMOSTATS ® TRADELINE® Replacement T8600D2028 Heat/cool model can be used for heat only;...
  • Page 21 C. T8600C1204 Canadian Lennox thermostat; conventional; degree C. T8600C1212 SUPER TRADELINE® thermostat; Honeywell logo; duel fuel fan control; O and B terminals. T8600C1220 Servel logo; Premier White® color; conventional; Robur part no. 15471-82. T8600C1238 ICP logo; Premier White® color; duel fuel fan control;...
  • Page 22 One-stage conventional heat thermostat; powered direct from 24 Vac transformer T8601A1017 Canadian TRADELINE® thermostat; Honeywell logo; system switch—none; fan switch—none; degree C. T8601B One-stage conventional heat with fan thermostat; powered direct from 24 Vac transformer T8601B1007 TRADELINE® thermostat; Honeywell logo; system switch—none; fan switch—ON-AUTO . T8601C One-stage heat and one-stage cool conventional thermostat;...
  • Page 23 Amana logo; conventional; part no.: none. T8602C1020 Rheem logo; conventional; part no.: none. T8602C1046 SUPER TRADELINE® thermostat; Honeywell logo; duel fuel fan control; O and B terminals. T8602C1061 Trol-A-Temp® by Honeywell thermostat; Premier White® color; conventional; O and B terminals.
  • Page 24: Wiring Diagrams (Fig. 15-20)

    W/4, R/5, Y/6. CT8602C One-stage heat and one-stage cool retail thermostat battery powered CT8602C1001 Retail Honeywell logo; off-white color; duel fuel fan control; system switch HEAT-OFF- COOL; fan switch ON-AUTO; separate O and B terminals; clamshell packaging. Trol-A-Temp® by Honeywell thermostat model.
  • Page 25 CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS. AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE. T8600D MODELS REQUIRE POWER TO R TERMINAL AT ALL TIMES. Fig. 17. Typical hookup of T8600 or T8602 in heat and cool system with two transformers.
  • Page 26 T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS ® 68-0164—1...
  • Page 27 T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS ® 68-0164—1...
  • Page 28 T8600D, T8601D AND T8602D CHRONOTHERM Home and Building Control Honeywell Inc. Honeywell Plaza P.O. Box 524 Minneapolis MN 55408-0524 Honeywell Latin American Region 480 Sawgrass Corporate Parkway Suite 200 Sunrise FL 33325 68-0164—1 J.H. Rev. 7-97 Printed in U.S.A. 68-0164—1 IV DELUXE PROGRAMMABLE THERMOSTATS ®...