PRODUCT DATA
® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. • • All Rights Reserved
T8600D, T8601D and T8602D
Chronotherm
®
IV Deluxe Programmable
Thermostats
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.
Contents
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
•
Models available with outdoor temperature sensor
capability for homeowner convenience. The sensor is
also more accurate than a thermometer.
•
Configurable features allows one model to be used to
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.
•
Minimum off time for cooling compressors and heat
pumps protects the equipment and extends the
equipment life.
•
Easy installation, setup and system test saves
installer time and increases productivity.
•
Self-test simplifies troubleshooting and saves time by
overriding the time delays.
•
Adaptive Intelligent Recovery™ control brings the
room temperature to temperature setpoint at the
programmed time, maximizing comfort and energy
savings.
•
Setpoints are permanently held in memory (no
batteries used) and retained during power outages for
increased installer and homeowner convenience.
•
Power stealing, hardwired and battery powered
models available for virtually all equipment and
application needs.
•
Universal Versaguard™ Thermostat guards available
for added security.
68-0164-1
