Honeywell Chronotherm III User Guide

Your new Honeywell Chronotherm III
Fuel Saver Thermostat is a precision
instrument that’s quality-built to give
you many years of satisfactory
service. Each day of the week can be
programmed independently so that,
regardless of your schedule, you’ll
save fuel while automatically
maintaining the standard of comfort
you require.
This User’s Guide will show you how
to get the most benefit from your new
thermostat.
Programming Your Thermostat
...............
l-1 8
Enter the day and time
.........................
1
Set the program times and
temperatures for one day
...................
2
Copy the program to the desired days
....... 11
Set the program times and temperatures
for the remaining days
..................... 14
Set the system and fan switches
on the subbase
............................. 17
Operating Your Thermostat
.................
19-26
Temporarily changing the program
......... .19
Permanently changing the program
......... .21
Operating the thermostat manually
.......... .23
Canceling program settings
.................
.24
Checking the program times and
temperatures
..............................
,215
Checking the current temperature setting
... .26
Maintaining Your Thermostat
...............
27-30
Removing the thermostat
....................
.27
Replacing the thermostat
....................
.28
Replacing the batteries
......................
.29
Power outages
..............................
.30
Glossary
.....................................
31-32
Your Daily Program
.........................
33-34
Model Identification Guide
..................
35-36
Troubleshooting Guide
...................... 37-38
Quick Reference to the Keys
................
39-40
Index
.........................................
41-42
Warranty ........................................
.43
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I

Honeywell Chronotherm III Specifications

General

Operating Modes	Heat, Cool, Auto, Off
Programming	7-day programmable
Stages	1 Heat/1 Cool
Type	Programmable
Voltage	24VAC
Display	Digital
Programmable Periods	4 per day
Backup Battery	AA alkaline batteries (2)
Temperature Range	40°F to 90°F (Heating)