Honeywell CHRONOTHERM IV DELUXE T8624D- User Manual

Honeywell CHRONOTHERM IV DELUXE T8624D

Honeywell CHRONOTHERM IV DELUXE T8624D– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – IV DELUXE PROGRAMMABLE THERMOSTAT; ORDERING INFORMATION; Thermostat Model; T8624D Thermostats provide features listed in Table 1.
  • Page 3 – INSTALLATION; When Installing this Product...; Position the wallplate over the holes, pulling wires; RECYCLING NOTICE
  • Page 4 – WIRING; CAUTION; Loosen the terminal screws on the wallplate and; drafts from affecting the thermostat.
  • Page 5 – Mounting Thermostat Wallplate
  • Page 6 – SETTINGS; Using Thermostat Keys
  • Page 7 – Temperature Settings; INSTALLER SETUP
  • Page 9 – IMPORTANT; Setting Current Day and Time
  • Page 10 – Press Day until the current day is displayed.; INSTALLER SYSTEM TEST; Table 7. Tests Available in Installer System Test.
  • Page 11 – Thermostat Information; Press the increase
  • Page 12 – PROGRAMMING
  • Page 13 – Setting the Current Day and Time; Programming the First Day; Press Day until the desired day is displayed.
  • Page 14 – Copying a Day; Clearing Program Period
  • Page 15 – Repeat steps 2 and 3 for all the periods to be cleared.; Setting Temporary Temperatures; Press Run Program to cancel the Hold and to return to; Changing Temperature Setting Indefinitely; Press Heat/Cool Settings to change between heat and
  • Page 16 – or decrease; Setting Temporary Fan Operation; OPERATION; Fig. 12. Proportional temperature control; Displaying the Outdoor Temperature
  • Page 17 – Operation Sequence; Startup
  • Page 18 – TROUBLESHOOTING GUIDE; Symptom
  • Page 19 – CROSS REFERENCE
  • Page 20 – Helping You Control Your World
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T8624D Chronotherm

®

IV Deluxe

Programmable Thermostat

PRODUCT DATA

® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. • All Rights Reserved

APPLICATION

The T8624D Chronotherm® IV Deluxe Programmable
Thermostat provides electronic control of 24 Vac multistage
heating and cooling systems.

FEATURES

•

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.

•

Most 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.

•

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.

•

System 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.

•

Universal Versaguard™ Thermostat guards available
for added security.

Contents

General ...............................................................................

1

Features .............................................................................. 1
Specifications ......................................................................

2

Ordering Information ...........................................................

2

Installation ........................................................................... 3
Wiring .................................................................................. 4
Settings ...............................................................................

6

Installer Setup .....................................................................

7

Installer System Test ........................................................... 10
Programming ....................................................................... 12
Operation ............................................................................ 16
Troubleshooting Guide ........................................................ 18
Cross Reference ................................................................. 19
Wiring Diagram ................................................................... 20

68-0166-1

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Summary

Page 2 - IV DELUXE PROGRAMMABLE THERMOSTAT; ORDERING INFORMATION; Thermostat Model; T8624D Thermostats provide features listed in Table 1.

T8624D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTAT 68-0166—1 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to theTRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions...

Page 3 - INSTALLATION; When Installing this Product...; Position the wallplate over the holes, pulling wires; RECYCLING NOTICE

T8624D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTAT 68-0166—1 3 Dimensions:See Fig. 1. INSTALLATION When Installing this Product… 1. Read these instructions carefully. Failure to follow the instructions can damage the product or cause ahazardous condition. 2. Check the ratings given in the instru...

Page 4 - WIRING; CAUTION; Loosen the terminal screws on the wallplate and; drafts from affecting the thermostat.

T8624D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTAT 68-0166—1 4 Fig. 2. Typical location of thermostat. Fig. 3. Mounting the wallplate. 5 FEET [1.5 METERS] YES NO NO NO M10106 WIRING All wiring must comply with local electrical codes andordinances. Follow equipment manufacturer wiringinstructions...

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