Honeywell T8602C Chronotherm IV Manual
Honeywell T8602C Chronotherm IV Manual

Honeywell T8602C Chronotherm IV Manual

Deluxe programmable thermostats
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APPLICATION
The T8602 Chronotherm ® IV Deluxe Programmable Thermostat provides electronic control of 24 Vac single-stage
heating and cooling systems or 750 mV heating system. Refer to Table 1 for a general description of the thermostat. All
T8602 thermostats are powered by batteries.
T8602
System
C
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 © 2003 Honeywell •
T8602C Chronotherm® IV
Table 1. Description of T8602 Thermostats.
Changeover
System Selection
Manual
Heat-Off-Cool
• All Rights Reserved
Deluxe Programmable
Fan
Selection
On-Auto
System and fan selections are made on
keyboard.
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.
Honeywell
Thermostats
INSTALLATION INSTRUCTIONS
Comments
69-1670
Table of Contents
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Summary of Contents for Honeywell T8602C Chronotherm IV

  • Page 1 Installer must be a trained, experienced service technician. After completing installation, use these instructions to check out the product operation. ® U.S. Registered Trademark Copyright © 2003 Honeywell • • All Rights Reserved 69-1670...
  • Page 2 T8602C CHRONOTHERM®IVDELUXE PROGRAMMABLE THERMOSTATS Fig. 1. Typical location of thermostat. Position and level the wallplate (for appearance WIRING only). The thermostat functions correctly even when not level. All wiring must comply with local electrical codes and Use a pencil to mark the mounting holes. ordinances.
  • Page 3: Mounting Thermostat

    T8602C CHRONOTHERM®IV DELUXE PROGRAMMABLE THERMOSTATS THERMOSTAT THERMOSTAT TRANSFORM ER Fig. 6 T8602 typical millivoltage heating circuit. p o w e r s u p p l y p r o v i d e d i s c o n n e c t m e a n s a n d o v e r l o a d PROTECTIO N AS REQUIRED.
  • Page 4: Using Thermostat Keys

    T8602C CHRONOTHERM®IVDELUXE PROGRAMMABLE THERMOSTATS • configure Installer Setup, Using Thermostat Keys • check Self-Test, The thermostat keys are used to: • display outdoor temperature (select models), • set current day and time, • program times and setpoints for heating and cooling, See Fig.
  • Page 5: Installer Setup

    T8602C CHRONOTHERM®IV DELUXE PROGRAMMABLE THERMOSTATS FAN OPERATION SWITCH The thermostat fan operation switch, labeled FUEL — To advance to the next Installer Setup, press the SWITCH in Fig. 11 is factory set in the F position. This is Time A key. the correct setting for most systems.
  • Page 6 T8602C CHRONOTHERM®IVDELUXE PROGRAMMABLE THERMOSTATS Table 3. Thermostat Installer Setup Options. Installer Setup Other Choices Number (Press Factory Setting (Press A or ▼ key to change) Time A key to Actual Select change) Display Description Display Description Setting Not Used. 1 thru 3 —...
  • Page 7 T8602C CHRONOTHERM®IV DELUXE PROGRAMMABLE THERMOSTATS Table 3. Thermostat Installer Setup Options. (Continued) Installer Setup Other Choices Number (Press Factory Setting (Press ▲ or ▼ key to change) Time A key to Actual Select change) Display Description Display Description Setting Temperature No difference in 3 thru -3 1—...
  • Page 8: Setting Current Day And Time

    T8602C CHRONOTHERM®IVDELUXE PROGRAMMABLE THERMOSTATS Setting Current Day and Time Press Set Current Day/Time. 1 ----------------------------1 S NOTE: On initial powerup or after an extended power U - I _ l Daylight loss, 1:00 pm flashes on the display until a Tim e ..
  • Page 9: Installer System Test

    T8602C 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 Waif l Set Program |Set Day/Time Temporary Setting Recovery Cool Hold for A CAUTION...
  • Page 10: Thermostat Information

    T8602C CHRONOTHERM®IVDELUXE PROGRAMMABLE THERMOSTATS THERMOSTAT INFORMATION Press the Time A key to access the thermostat Press the increase A key again to display the soft­ information. ware revision number. (Example: 001 = Revision number 1). n r i ■ < - / LI LI M14613 M14616...
  • Page 11: Troubleshooting Guide

    T8602C 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. a Select models. Honeywell Automation and Control Solutions Honeywell International Inc 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 69-1670 GH.

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