Honeywell CT3400

Weekday/Saturday/Sunday
Programmable Heat and/or Cool
Low Voltage (20 to 30 Vac)Thermostat and Wallplate
Model CT3400/CT3455
PROGRAMMABLE
THERMOSTAT
Honeywell/34
PROGRAMMING AND INSTALLATION
INSTRUCTIONS
J.S. Rev. 4-97 ©Honeywell Inc. 1997 Printed in U.S.A. Form Number 69-0733—3
69-0733-3
30%
28%
26%
24%
22%
20%
18%
16%
14%
12%
8%
6%
2%
10%
4%
Minneapolis
St. Paul
Montreal
Ottawa
Toronto
Buffalo
Cleveland
Milwaukee
Edmonton
Regina
Winnipeg
Calgary
Moncton
North Bay
Quebec
St. John's
Halifax Vancouver Denver
Des Moines 
Omaha
Salt Lake
City
Boston
Chicago
Detroit
Pittsburgh
Indianapolis
Cincinnati
Kansas City
St. Louis
Columbus
New York
Philadelphia
Seattle
Louisville
Portland
Wash., D C
San 
Francisco
Dallas
Atlanta
Los Angeles
Approximate percentage of energy cost savings
Savings for Once-A-Day
10°F (5°C) decrease
Savings for Twice-A-Day
10°F (5°C) decrease*
Savings for 5°F (3°)
summer increase

TYPICAL ENERGY SAVINGS FOR REPRESENTATIVE CITIES IN THE U.S. AND CANADA
*Based on 10°F (5°C) decrease—(5°F [3°C] decrease
gives approximately 55 percent of these savings).
M2416A
San Diego

Honeywell CT3400 Specifications

General

Programmable	No
Temperature Control Accuracy	±1°F
Filter Change Reminder	No
Color	White
Type	Non-Programmable
Compatibility	Single-stage heating and cooling systems
Hold Feature	Yes

Summary

Recycling Thermostat

Prepare For Installation

Remove Old Thermostat

Before You Program

Install the Batteries

Install AA batteries for programming and operation of the thermostat and heating/cooling system.

Adaptive Intelligent Recovery Selection

Choose between factory-set adaptive or conventional temperature recovery settings.

Program The Thermostat

Mount Thermostat Wallplate

Adjust System On-Time, Clock Display

Adjust Fan Operation Switch

Wire Wallplate Terminals

Mount The Thermostat

Check Thermostat Operation

Set Fan and System Switches

Troubleshooting Guide

Toll-free Customer Assistance

Limited One-Year Warranty