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69-1631-1

OWNER’S GUIDE

® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
All Rights Reserved 

CT3200 Programmable Thermostat

Welcome

 to the world of comfort and energy savings with your 

new Honeywell Programmable Thermostat. Your new thermostat 
will automatically control the temperature in your home, keeping 
you comfortable while saving energy. 

Weekday/Weekend (5-day/2-day)
Programmable Heat and/or Cool
Low Voltage (20 to 30 Vac)
Thermostat and Mounting Plate
Model CT3200

Table of Contents

Installation ..................................................................................................................................................................

2

Programming.............................................................................................................................................................. 12
Operation.................................................................................................................................................................... 18
Frequently Asked Questions ...................................................................................................................................... 22
Customer Assistance ................................................................................................................................................. 23
Limited Warranty ........................................................................................................................................................ 24

Summary of Contents for 32002418

Page 1: ...neywell Programmable Thermostat Your new thermostat will automatically control the temperature in your home keeping you comfortable while saving energy Weekday Weekend 5 day 2 day Programmable Heat and or Cool Low Voltage 20 to 30 Vac Thermostat and Mounting Plate Model CT3200 Table of Contents Installation 2 Programming 12 Operation 18 Frequently Asked Questions 22 Customer Assistance 23 Limited ...

Page 2: ...compatibility chart below to determine which system you have If your system is not compatible with the CT3200 the table recommends an alternate Honeywell model If you are unsure what type of thermostat is right for your system visit us on the Web at www honeywell com yourhome or call Honeywell Customer Care at 1 800 468 1502 M3701 MERCURY SWITCH Fig 1 Heating Cooling System Compatible with CT3200 ...

Page 3: ...erate the cooling system when the tem perature outdoors is below 50 F 10 C Steam A steam boiler with radiator heat No CT3600 Heat Pump Heating and cooling are produced from the same outdoor unit compressor with no auxiliary or backup heat No CT3600 Multistage Heat Pump Heating and cooling are produced from the same outdoor unit compressor with auxiliary or backup heat No CT3611 Multistage Conventi...

Page 4: ... to C or C1 terminals The old thermostat has three wires There are five wires connected to the old thermostat There are extra wires that are not connected to the old thermostat e Using enclosed labels mark wires with letter of terminal it is attached to on the old thermostat Fig 3 Do not label using colors If labels do not match letters on old thermostat terminals see wiring cross reference table ...

Page 5: ... at the locations marked For drywall drill two 3 16 inch holes For plaster or wood drill two 7 32 inch holes Fig 6 e If installing in drywall gently tap the anchors provided into the drilled holes until they are flush with the wall f Reposition the mounting plate over the holes pull the wires through the wiring opening and loosely insert the mounting screws into each of the drilled holes or anchor...

Page 6: ...he Heat ing System Table on the next page to find the correct settings NOTE These DIP switches are factory set for a warm air gas or oil heating system c The thermostat is set to display the temperature in degrees Fahrenheit F If you want to display the tem perature in degrees Celsius C turn DIP Switch 3 to Off position d You can install the batteries and program your thermostat now or you can wai...

Page 7: ...tric furnace 1 On 2 Off E Fig 9 a Hold thermostat as shown in Fig 9 b Using the labels on the wires match letter of your old ther mostat wire with the corresponding terminal on the back of your new thermostat NOTE If letters on old thermostat terminals do not match letters on new thermostat terminals all old wires may not need con necting to new thermostat See Special Wiring Instructions section F...

Page 8: ...unt Thermostat Fig 11 Fig 12 e Align the tabs at the top of the thermostat with the tabs at the top of the mounting plate Fig 11 f Press the lower edge of the case to latch the bottom of the thermostat Fig 12 M20130 M20131 ...

Page 9: ...t You will not connect these wires to your 3200 Thermostat f Continue with the installation Fig 13 Fig 14 IMPORTANT Batteries must be installed for programming and operation of the thermostat and heating cooling system Honeywell rec ommends using Energizer batteries a Make sure that the System switch is set in the OFF position b Using a coin open the battery door as shown in Fig 13 c Install the b...

Page 10: ...ystem and cannot operate the fan using the fan ON switch the 3200 Thermostat will probably NOT work with your system Contact your heating contractor for installation assistance Wires that are not connected to old thermostat If there are extra wires that do not connect to your old thermostat do not label them You will not connect these wires to your new thermostat Tape off the wires individually wi...

Page 11: ...R RH 4 V R Power Rc R Rc Power for cooling W W1 H W Heat Y Y1 M Y Cooling G F G Fan O Do not continue installation Changeover in cool O terminal or changeover in heat B terminal You have a single stage heat pump or zoning system Select an alternate thermostat model B C X B Do not connect Transformer common W2 H2 Do not continue installation Second stage heat W2 H2 or second stage cooling Y2 You ha...

Page 12: ... Room temperature or programmed temperature 9 SYSTEM ON An arrow displays when the heating cooling system is running 10 TEMPORARY An arrow displays when a temporary override is made to the program 11 Temp Warmer and Cooler Sets the temperature warmer and cooler 12 Run Program Returns thermostat to normal operating mode 13 Hold Temp Holds a selected temperature 14 System switch Selects Cool Off Hea...

Page 13: ...rature will be lower and the energy saving temperature higher For each season you can set up to four program periods for the weekdays Monday Friday and up to two program periods for the weekends Saturday and Sunday The program periods are defined in the following table a Press once The time is displayed Fig 17 b Press and hold or until the cur rent time is displayed Fig 17 c Press again The day is...

Page 14: ...pencil eraser Using sharp fingernails or pencil points can damage the keypad If you make an error at any time during programming press Then press until you reach the program period you last programmed Program Period Description When Available WAKE The time when you get up and get ready to leave your home You can set the system at a comfortable temperature for this period Weekdays and weekend LEAVE...

Page 15: ...6 00 AM 8 00 AM 6 00 PM 10 00 PM Temp 70 F 21 C 62 F 16 5 C 70 F 21 C 62 F 16 5 C Weekday Mon Fri Time Temp Weekend Sat Sun Time Temp b Set the System switch to HEAT c Press once A blank schedule is displayed Fig 20 Fig 20 d Set the Monday Friday WAKE time by pressing or until the desired time is displayed Fig 21 e Set the Monday Friday WAKE temperature by pressing or until desired temperature is ...

Page 16: ...d schedule is displayed Fig 23 h Set the Saturday and Sunday WAKE time by pressing or until the desired time is displayed Fig 23 i Set the Saturday and Sunday WAKE temperature by pressing or until desired temperature displays Fig 24 j Press again to display blank schedule for SLEEP program period and repeat steps h through j to set pro gram k Press to start the program Fig 24 ...

Page 17: ...hedule Program Period WAKE LEAVE RETURN SLEEP Suggested Settings Time 6 00 AM 8 00 AM 6 00 PM 10 00 PM Temp 78 F 25 5 C 85 F 29 5 C 78 F 25 5 C 82 F 28 C Weekday Mon Fri Time Temp Weekend Sat Sun Time Temp a Set the System switch to HEAT and the Fan switch to AUTO b Press until the setting is 10 F 6 C above room temperature Fig 25 Your heating system should start and the fan should run after a sho...

Page 18: ...t time and day and current temperature display d Set the System switch to COOL and the Fan switch to AUTO e Press until the setting is 10 F 6 C below room tem perature Fig 26 Your cooling system and fan should start NOTE When cooling setting is changed thermostat can delay up to five minutes before turning on air condi tioner This delay protects the compressor Fig 26 f Press until setting is 10 F ...

Page 19: ...lt Fan Auto A single speed fan turns on automatically with the air conditioner or furnace A two speed fan usually runs on high with the air conditioner and on low with the furnace Auto is the normal setting for most homes On The fan runs continuously Use this setting for improved air circulation during special occasions or for more efficient air cleaning NOTE In a heat only system the fan runs con...

Page 20: ...em from shutting down due to lack of battery power in thermostat If leaving home for longer than a month change batteries before leaving Override program settings NOTE Make sure the System switch is set to either HEAT or COOL before making any changes to the schedule Change the temperature temporarily Press or until the desired temperature is displayed An arrow is displayed indicating that the cha...

Page 21: ...l the hold press Fig 28 Check the current programmed temperature Press to display temperature programmed for current program period The SET indicator displays briefly along with the programmed temperature Fig 29 The display then returns to the room temperature Fig 29 Check programs Press repeatedly to display the times and temperatures that you programmed a Press to resume the program Cancel a pro...

Page 22: ...ies correctly display should come on Temperature display does not go lower than 45 F 7 C or higher than 88 F 31 C during programming Temperature limit setting is reached range is 45 F to 88 F 7 C to 31 C Display shows flashing bAt Lo The batteries are low replace them as soon as possible If bAt Lo continues to display after replacing batteries set System switch to Off and insert batteries backward...

Page 23: ...t come on Check that the System switch is set to Cool Check the system fuse or circuit breaker and replace or reset if necessary Check for correct wiring and good connections If display is blank or says bAt Lo install fresh batteries The thermostat has a built in time delay on cooling Allow 5 10 minutes after changing setting before air conditioner starts If temperature setting is lower than room ...

Page 24: ...his 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 Honeywell s sole responsibility shall be to repair or replace the product within the terms stated above HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RES...

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