Honeywell An Electronic Round CT2700 User Manual

X-XX UL
USER’S GUIDE
®U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. • • All Rights Reserved
69-1085
CT2700
An Electronic Round
™
Programmable Thermostat
Programmable Heat and/or Cool
Low Voltage (20 to 30 Vac) Thermostat and Wallplate
Model CT2700
Congratulations on the purchase of your new thermostat!
Over 100 years of Honeywell engineering expertise went
into the making of this thermostat in an effort to provide
you with a more comfortable and convenient living
environment.
Your new thermostat will automatically control the tem-
perature in your home, keeping you comfortable while
saving energy when programmed according to the
instructions in this manual.
Direct any questions concerning the application of this
thermostat to Honeywell Customer Assistance at
1-800-468-1502, Monday - Friday 7:00 a.m. - 5:30 p.m.,
Central time.
RECYCLING
THERMOSTAT
If this thermostat is replacing a control that
contains mercury in a sealed tube, do not place
your old control in the trash. Contact your local
waste management authority for instructions
regarding recycling and the proper disposal of this
control, or of an old control containing mercury in a
sealed tube.
If you have questions, call Honeywell, Inc. at
1-800-468-1502.
1 PREPARE FOR INSTALLATION
Check Table 1 to make sure this thermostat is
compatible with your system. If not, return to the
retailer. For more information, call Honeywell, Inc. at
1-800-468-1502.
M10614
MERCURY
SWITCH
TYPICAL LOCATION OF A MERCURY
SWITCH IN A THERMOSTAT

Honeywell An Electronic Round CT2700 Specifications

General

Model	CT2700
Brand	Honeywell
Display	Digital
Color	White
Programmable	No
Type	Electronic
Power Source	Battery
Compatibility	Single Stage Heating and Cooling Systems
Accuracy	+/- 1°F (+/- 0.5°C)

Summary

Recycling Thermostat

Prepare for Installation

Remove Old Thermostat

Replacing Clock With C or C1 Clock Terminals

Notes on handling wires for C or C1 clock terminals to prevent damage.

Six or More Wires

Guidance for systems with six or more wires; identifies incompatibility.

Mount Wallplate

Three Thermostat Wires

Information for heating-only systems with three wires and isolating relays.

Wire Wallplate Terminals

Adjust Fan Operation Switch

Mount Thermostat to Wallplate

Hold Function

Program Your Thermostat

Operate Your Thermostat

Set Fan and System Switches

Fan Switch

Explanation of ON and AUTO settings for the fan switch.

System Switch

Explanation of COOL, OFF, and HEAT settings for the system switch.

Check Operation After Installation/Programming

Heating System Check

Steps to verify proper operation of the heating system.

Cooling System Check

Steps to verify proper operation of the cooling system, with cautions.

Fan Check

Procedure to ensure the fan operates correctly.

Customize Your Thermostat

Enter Installer Setup

Initiating the installer setup mode for advanced configuration.

Cycles Per Hour

Setting the heating cycle rate (cph) based on system type.

Fahrenheit - Celsius Temperature

Selecting the desired temperature unit (°F or °C).

Clock Format

Choosing between 12-hour and 24-hour clock display.

Troubleshoot Your Thermostat

Heating/Cooling Equipment Will Not Operate

Diagnosing and correcting issues when the system does not run.

Partial Display

Resolving issues related to incomplete display information.

No Display

Troubleshooting steps for a completely blank display.

Temperature Display Is Incorrect

Correcting inaccurate temperature readings.

Cannot Change Temperature Setting

Addressing problems with adjusting temperature setpoints.

Limited One-Year Warranty