Manual Honeywell T8600D - Chronotherm IV (page 1 of 28) (English)

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PRODUCT DATA

® U.S. Registered Trademark

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

The AC is not working. The repair person via a phone call said to turn off the system. How do I do this?
I read the Manuel.
The fuse is fine.
Submitted on 28-7-2022 at 20:15
Reply Report abuse
An HVAC repair person cannot come until next week. The AC is not working.
He suggested I turn off the system. How do I do this? I read the manuel.
It is not a problem with the fuse. Submitted on 28-7-2022 at 20:11
Reply Report abuse

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Honeywell T8600D - Chronotherm IV Manual

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