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Honeywell T8602D Chronotherm IV Installation Instructions Manual
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Honeywell T8602D Chronotherm IV Installation Instructions Manual

Deluxe programmable thermostats
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See also: Owner's Manual , Product Data
APPLICATION
The T8602 Chronotherm
heating and cooling systems or 750 mV heating and 24 Vac cooling. Refer to Table 1 for a general description of the
thermostat. All T8602 thermostats are powered by batteries.
T8602
System
D
Heat-Cool
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of the old control.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
the instructions can 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 application.
3. Installer must be a trained, experienced service
technician.
4. After completing installation, use these instructions
to check out the product operation.
® U.S. Registered Trademark
Copyright © 2002 Honeywell •
T8602D Chronotherm
®
IV Deluxe Programmable Thermostat provides electronic control of 24 Vac single-stage
Table 1. Description of T8602 Thermostats.
Changeover
System Selection
Automatic
Heat-Off-Cool-Auto
• All Rights Reserved
Deluxe Programmable
Fan
Selection
On-Auto
Location
Install the thermostat about 5 ft (1.5m) above the floor in
an area with good air circulation at average temperature.
See Fig. 1.
Do not install the thermostat where it can be affected by:
— drafts, or dead spots behind doors and in corners.
— hot or cold air from ducts.
— radiant heat from sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) areas such as an outside wall
behind the thermostat.

Wallplate Installation

The thermostat can be mounted horizontally on the wall
or on a 2 in. x 4 in. (50.8 mm x 101.6 mm) wiring box.
Position wallplate horizontally on the wall or on a
2 in. x 4 in. (50.8 mm x 101.6 mm) wiring box.
Thermostats
INSTALLATION INSTRUCTIONS
Comments
System and fan selections are made on
keyboard.
®
IV
69-1507-2

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Summary of Contents for Honeywell T8602D Chronotherm IV

  • Page 1: Wallplate Installation

    3. Installer must be a trained, experienced service technician. 4. After completing installation, use these instructions to check out the product operation. ® U.S. Registered Trademark Copyright © 2002 Honeywell • • All Rights Reserved 69-1507-2...

  • Page 2: Wiring

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS 5 FEET [1.5 METERS] M10106 Fig. 1. Typical location of thermostat. WIRING 1. Position and level the wallplate (for appearance only). The thermostat functions correctly even when not level. All wiring must comply with local electrical codes and 2.

  • Page 3: Mounting Thermostat

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS THERMOSTAT THERMOSTAT PILOTSTAT CONTROL HEAT COMPRESSOR COOL (IF USED) RELAY CONTACTOR DAMPER OUTDOOR TEMPERATURE SENSOR OUTDOOR HEAT LIMIT TEMPERATURE RELAY DAMPER CONTROL SENSOR MILLIVOLTAGE MILLIVOLTAGE GENERATOR GAS CONTROL (HOT) AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE.

  • Page 4: Temperature Settings

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Using Thermostat Keys • set the system operation, • set the fan operation. The thermostat keys are used to: • set current day and time, See Fig. 9 for location of the keys. •...

  • Page 5: Installer Setup

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Temperature Settings — To scroll the Installer Setup numbers backward, press the Time ∇ key. Refer to Table 2 for the default program. If the daytime — To exit the Installer Setup, press Run Program. energy savings period is not used, press the period key (Leave or Return) until the time is blank.

  • Page 6: Thermostat Installer Setup Options

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 3. Thermostat Installer Setup Options. Installer Setup Other Choices Number (Press Factory Setting (Press key to change) Time ∆ key to Actual Select change) Display Description Display Description Setting Not Used. — —...
  • Page 7 ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 3. Thermostat Installer Setup Options. (Continued) Installer Setup Other Choices Number (Press Factory Setting (Press key to change) Time ∆ key to Actual Select change) Display Description Display Description Setting Minimum off 5 minute minimum 0 thru 4 Minimum number of minutes...

  • Page 8: Setting Current Day And Time

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Setting Current Day and Time 1. Press Set Current Day/Time. Set Day/Time NOTE: On initial powerup or after an extended power loss, 1:00 pm flashes on the display until a Time Set Program Daylight Set Current Wake...

  • Page 9: Installer System Test

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS INSTALLER SYSTEM TEST Use the Installer System Test to check the thermostat operation. Refer to Table 4 for a list of the available system tests. System Wait Set Program Set Day/Time Temporary Setting Em Heat Recovery CAUTION...

  • Page 10: Thermostat Information

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS THERMOSTAT INFORMATION 1. Press the Time ∆ key to access the thermostat 4. Press the increase key again to display the soft- information. ware revision number. (Example: 001 = Revision number 1). M14613 M14616 2.

  • Page 11: Troubleshooting Guide

    ® T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS TROUBLESHOOTING GUIDE Table 6. Troubleshooting Guide. Symptom Possible Cause Action Display does not Thermostat is not being • Check if batteries are present and installed correctly. come on. powered. — If batteries are present and installed correctly, replace thermostat.
  • Page 12 • Replace batteries now. Select models. Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled 69-1507—2...

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