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Honeywell CT3400 Instructions Manual

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

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  Summary of Contents for Honeywell CT3400

  • Page 1 Salt Lake Pittsburgh Columbus City Indianapolis *Based on 10 F (5 C) decrease—(5 F [3 C] decrease gives approximately 55 percent of these savings). ©Honeywell Inc. 1997 Printed in U.S.A. INSTRUCTIONS PROGRAMMING THERMOSTAT Savings for 5 F (3 ) summer increase...
  • Page 2 We invite you to spend a few minutes reading this manual. You’ll find it answers many of the questions that will arise as you become familiar and comfortable with your Honeywell thermostat, the state of the art in home comfort controls.
  • Page 3: Table Of Contents

    Baseboard Electric (120/240 line volt) Heat Pumps/Multistage Equipment Not compatible with any 120/240 volt circuit. Compatible with 2-wire Honeywell and Taco zone valves. Not compatible with 3-wire zone valves or 2-wire White Rodgers no. 1361 valves. Table 1. Compatibility Chart.
  • Page 4: Step 2 Remove Old Thermostat

    Replacing a clock thermostat that has C or C1 clock terminals? If you are replacing a Honeywell Chronotherm Thermostat, you may find one or two wires that go to the C or C1 clock terminals on the...
  • Page 5: Step 3 Before You Program

    Replace the batteries as soon as possible after the indicator starts flashing. which programmable thermostats will work with your system, call Honeywell Customer Assis- tance at 1-800-468-1502. Three thermostat wires? If you have three wires for heating only and can operate the fan using the fan ON switch, this thermostat will work with your system.
  • Page 6: Adaptive Intelligent Recovery™ Selection

    Adaptive Intelligent Recovery™ setting, or adjust it to conventional recovery. If you choose conventional recovery, adjust screw 3A (on the back of the thermostat) by turning out one turn. With Adaptive Intelligent Recovery™, your home gradually reaches the comfort temperature you...
  • Page 7: Step 4 Program The Thermostat

    If you would prefer to program the thermostat after it is installed on the wall, skip to page 16, and return later to this programming section.
  • Page 8: Personal Programming Chart

    Personal Programming Chart START PERIOD TIME MORNING (6:00 AM) _____________________ DAYTIME ______________ EVENING ______________ NIGHT (10:00 PM) _____________________ START PERIOD TIME MORNING (6:00 AM) _____________________ DAYTIME ______________ EVENING ______________ NIGHT (10:00 PM) _____________________ START PERIOD TIME MORNING (6:00 AM) _____________________ DAYTIME ______________ EVENING...
  • Page 9 When programming your new thermostat, use this guide. Batteries are required for programming and operation. SET PRESENT DAY Press and release Present Day/Time SET PRESENT TIME Press and release Present Day/Time HEATING PROGRAM With system switch at HEAT, press and release program Mon-Fri MORNING time and temperature.
  • Page 10: Step 5 Mount Thermostat Wallplate

    Return to normal program or start program— Press on to move number back; press on STEP 5 Mount Thermostat Wallplate Position wallplate on wall. Level the wall- plate for appearance only. Use a pencil to mark the two mounting holes that best fit the application.
  • Page 11: Step 6 Adjust System On-Time, Clock Display, As Required

    STEP 6 Adjust System On-Time, Clock Display, As Required The thermostat on-time is factory-set for a warm air, gas or oil heating system. If you are installing it on another type of system, the on- time must be adjusted accordingly by setting...
  • Page 12: Step 7 Adjust Fan Operation Switch, As Required

    90% or greater AFUE (Average Fuel Utilization Efficiency) unit, leave screw 1A in and screw 1B out one turn. The thermostat is set to display the time as a 12-hour clock and the temperature in degrees Fahrenheit. If a 24-hour clock (e.g., military...
  • Page 13: Step 8 Wire Wallplate Terminals

    Refer to masking tape labels you placed on wires when you removed your old thermostat. Match the letter of your old thermostat wire with the terminal of the corresponding letter on your new thermostat. Refer to illustrations on pages 22 and 23.
  • Page 14: Step 9 Mount The Thermostat

    R R C HEATING RELAY OR RELAY VALVE COIL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. STEP 9 Mount The Thermostat ENGAGE TABS BETWEEN TOP OF THERMOSTAT AND WALLPLATE 5-WIRE HEAT/COOL (JUMPER REMOVED) THERMOSTAT HEATING RELAY OR VALVE COIL 1 POWER SUPPLY.
  • Page 15: Step 10 Check Thermostat Operation After Programming And Installing

    50 F (10 C). See compressor manufacturer instructions for further information. NOTE: When cooling setting is changed, thermostat may delay up to five min- utes before turning on the air condi- tioner. This delay protects the com- pressor.
  • Page 16: Step 11 Set The Fan And System Switches

    Exception: If fan operation switch on back of thermostat is set to the ELEC (right) position (see page 20), fan operates with furnace only.
  • Page 17: Troubleshooting Guide

    THEN… Set the system switch to OFF. Remove batteries. Insert back- ward for at least five seconds to reset thermostat. Replace batteries correctly. Display should come on. Make sure batteries are fresh and installed correctly. Gently clean battery contacts using a soft pencil eraser. Do not use anything abrasive on the clips.
  • Page 18 Jumper wires R and W. If heat does not come on, contact your heating dealer. If temperature setting is higher than current temperature, and HEAT ON is displayed, contact Honeywell Customer Assis- tance at 1-800-468-1502. Check that switch on thermostat is set to COOL.
  • Page 19: Index

    Allow time for the furnace to heat up and the fan to come on before checking for heat at the register. Note that on most gas and oil systems, the fan is not controlled by the thermostat, but by another control, which may account for the delay.
  • Page 20: Limited One-Year Warranty

    Plymouth, MN 55441-4437 This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer.

This manual is also suitable for:

Ct3455Honeywell/34 ct3400Honeywell/34 ct3455