Instruction/ maintenance manual of the product CT3400 Honeywell
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Weekday/Saturday/Sunday Programmable Heat and/or Cool Low Voltage (20 to 30 Vac)Thermostat and Wallplate Model CT3400/CT3455 PR OGRAMMABLE THERMOST A T Honeywell/34 PROGRAMMING AND INSTALLATION INSTRUCTIONS J.S. Rev. 4-97 ©Honeywell Inc. 1997 Printed in U.
TOTAL COMFORT TEMPERATURE MANAGEMENT WITH ADAPTIVE INTELLIGENT RECOVERY™ Congratulations! You made a smart choice when you purchased your new Honeywell Thermostat.
STEP 1 Prepare For Installation ■ ■ Check Table 1 to make sure this thermostat is compatible with your system. If not, return to retailer. For more information, call Honeywell Customer Assistance, toll-free 1-800-468-1502. Table 1. Compatibility Chart.
3 69-0733—3 ■ ■ Acquire tools and items as needed (below). CROSS-RECESSED SCREWDRIVER HAND OR POWER DRILL WITH 3/16 INCH DRILL BIT, IF NEEDED, TO DRILL HOLES IN WALL WIRE CUTTER/STRI.
5 69-0733—3 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.
7 69-0733—3 IMPORTANT: Although the thermostat has a low battery indicator, replace the batteries once a year to prevent leakage and to prevent the thermostat and heating/cooling system from shutting down due to lack of battery power.
STEP 4 Pr ogram The Thermostat work or school. (This will be a higher tem- perature during heating season, or a lower temperature during cooling season.) DAYTIME is the time period you can set for an energy-saving temperature while you are away at work or school.
Sunday Program START HEATING COOLING PERIOD TIME TEMPERATURE TEMPERATURE MORNING _____________________ _____________________ _____________________ DAYTIME ______________ ______________ _____________ E.
COOLING PROGRAM The times you set for heating remain the same for cooling; you only need to program the temperatures. With system switch at COOL, press and release . Use a to program Mon-Fri MORNING temperature. Repeat using DAYTIME, EVENING, NIGHT keys.
For operating or making changes, use this guide. Temporarily Change temperature for current period only — ; TEMPORARY indicator shows on display, and cancel s itself at next scheduled change. To cancel sooner, you may press . Hold a temperature indefinitely (such as on vacation)— , Hold appears on display; to cancel, press .
17 69-0733—3 ■ ■ Remove wallplate from wall, and drill 3/16 inch holes in wall (if drywall) as marked. For firmer material such as plaster or wood, drill 7/32 inch holes. Gently tap anchors (provided) into drilled holes until flush with the wall.
19 69-0733—3 SYSTEM GRAVITY AIR/WATER HOT WATER OR HIGH EFFICIENCY (90%+AFUE) GAS/OIL WARM AIR ELECTRIC WARM AIR 1A OUT 1 TURN OUT 1 TURN OUT 1 TURN 1B IN (FACTORY SETTING) IN IN DISPLAY 2A 2B 12 hr./ °F OUT 24 hr./ °F (FACTORY SETTING) IN M 618A 1A 1B 2A 2B OUT OUT OUT IN IN IN 24 hr.
21 69-0733—3 NOTE: All wiring must comply with local codes and ordinances. If unsure about household wiring procedures, call your local heating/air conditioning contractor. Refer to masking tape labels you placed on wires when you removed your old thermostat.
INSTALLATION 24 69-0733—3 23 69-0733—3 STEP 9 Mount The Thermostat A. ENGAGE TABS BETWEEN TOP OF THERMOSTAT AND WALLPLATE MON HEAT ON DAYTIME AM B.
25 69-0733—3 26 69-0733-3 STEP 10 Check Thermostat Operation After Pr ogramming And Installing HEATING Do not check heating system operation by jumpering thermostat terminals at the primary control, such as the gas valve, zone valve, oil burner control.
27 69-0733—3 28 69-0733—3 Move the system switch to OFF and the fan switch to ON. The fan should run continuously. When the fan switch is in the AUTO position, fan cycles with the heating or cooling system. FAN AUTO ON HEAT O FF COOL STEP 11 Set The F an And System Switches First set the fan switch.
29 69-0733—3 T r oubleshooting Guide IF… THEN… Display does not come on. ■ 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.
31 69-0733—3 Heating does not come on. ■ Check that switch on thermostat is set to HEAT. ■ Check the system fuse or circuit breaker and replace or reset if necessary. If display is blank or displays REPL BAT, install fresh batteries. ■ Check for correct wiring and good connections.
Adaptive Intelligent Recovery™ ....................... 7,8 Batteries, installation .............. 6 Batteries, replacement ........ 6,7 Blinking display ....................... 6 Canceling programs ............. 15 Change temperature ............. 1 5 Checking current setting .
35 69-0733—3 Limited One-Y ear W arranty Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer.
An important point after buying a device Honeywell CT3400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell CT3400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell CT3400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell CT3400 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell CT3400 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell CT3400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell CT3400.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell CT3400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell CT3400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
