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Honeywell CT3500, Owner'S Manual, Page: 5 / 24

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Honeywell CT3500 Owner'S Manual Download Page 5

5

69-1199—4

STEP 1. PREPARE FOR INSTALLATION

q

Check Table 1, the compatibility chart, to make sure the thermostat is compatible with your system. If your system 
is not compatible, call Honeywell Customer Care, toll-free, 1-800-468-1502.

Table 1. Compatibility Chart.

a

Compatible with 2-wire Honeywell and Taco zone valves. Not compatible with 3-wire zone valves or 2-wire White 
Rodgers no. 1361 zone valves.

b

Millivolt system must be heating only.

c

Not compatible with any 120/240 volt system.

Package Contents

•

Thermostat

•

Wallplate

•

Screws and anchors

•

Wiring labels

•

Owners manual

Tools Required

•

Screwdriver

•

Drill

System Type

Compatibility with CT3500/CT3595

Gas — Standing Pilot

Yes

Gas — Electronic Ignition

Yes

Gas-fired Boilers

Yes

a

Gas — 750 Millivolt Heat Only

b

Yes

Oil-Fired Boilers

Yes

a

Oil-Fired Furnace

Yes

Electric Furnace

Yes

Electric Air Conditioning

Yes

Baseboard Electric (120/240 line volt)

c

No

Single Stage Heat Pump

Yes

Multistage Heat Pumps/Multistage Equipment

No

Summary of Contents for CT3500

Page 1: ...r obtenir ce ode demploi en français composer le 1 800 468 1502 Table of Contents Step 1 Prepare for Installation 5 Step 2 Remove Old Thermostat 6 Step 3 Mount Thermostat Wallplate 7 Step 4 Wire Wallplate Terminals 8 Step 5 Install the Batteries 9 Step 6 Set Fan Operation Switch 10 Step 7 Mount the Thermostat 11 Step 8 Customize Your Thermostat 11 Step 9 Set the Clock 13 Step 10 Programming 14 Ste...

Page 2: ...use the preprogrammed schedule or set your own This manual answers many of the questions that can arise as you become familiar and comfortable with your Honeywell thermostat the state of the art in home comfort controls Read these instructions carefully Failure to follow these instructions can damage the product or cause a hazardous condition MERCURY NOTICE If this thermostat is replacing a contro...

Page 3: ...ROGRAM PERIODS WAKE LEAVE RETURN SLEEP ENTERS PROGRAMMING MODE FAN SWITCH SELECTS AUTO ON SYSTEM SWITCH SELECTS HEAT OFF COOL DIGITAL DISPLAY SET CURRENT DAY TIME SETS CURRENT TIME AND DAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE HEAT COOL SETTING SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING TIME TIME SETS TIME FORWARD OR BACK DAY SETS DAY OF THE WEEK HOLD TE...

Page 4: ... CURRENT SET TEMPERATURE SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW AND MUST BE REPLACED DISPLAYS EITHER ROOM OR SET TEMPERATURES INFORMATION AND WAITING TO CALL FOR HEAT OR COOL SHOWS SMART RESPONSE IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAMS SHOWS THAT THERMOSTAT IS SHOWS CURRENT SYSTEM SWITCH POSITION HEAT OFF COOL SHOWS CURRENT PROG...

Page 5: ...361 zone valves b Millivolt system must be heating only c Not compatible with any 120 240 volt system Package Contents Thermostat Wallplate Screws and anchors Wiring labels Owners manual Tools Required Screwdriver Drill System Type Compatibility with CT3500 CT3595 Gas Standing Pilot Yes Gas Electronic Ignition Yes Gas fired Boilers Yesa Gas 750 Millivolt Heat Onlyb Yes Oil Fired Boilers Yesa Oil F...

Page 6: ...Special Installations Read this section if you are replacing Clock thermostat with separate wires for the clock Thermostat with six or more wires connected to it Thermostat in a heating only system with three wires 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 going to the C or C1 clock terminals ...

Page 7: ...ate up and away from the thermostat See illustration at right q Position the wallplate on the wall Level the wallplate for appearance if desired Use a pencil to mark the two mounting holes that best fit the application q Remove the wallplate from the wall Drill two 3 16 in holes in wall if drywall as shown For materials such as plaster or wood drill 7 32 in holes where marked Gently tap the provid...

Page 8: ...your new thermostat Refer to Table 2 q Remove the factory installed jumper connecting terminals R and RC if wires are connected to both of those terminals q For wiring diagrams if needed see pages 22 23 q Loosen the terminal screws Slip each wire beneath its matching terminal Wraparound and straight connections are both acceptable see illustration Tighten the terminals q Plug the hole in the wall ...

Page 9: ...installed for pro gramming and operation of the thermostat and the heat ing cooling system q Install the batteries in the wallplate so the positive terminals all point up see illustration Terminal on Old Thermostat Connect To Description R RHa 4 V R Power Rc Ra Rc Power for cooling W W1 H W Heat Y Y1 M Y Cooling G F G Fan O O Changeover in cool Single stage heat pump only Bb Bb Changeover in heat ...

Page 10: ...ries the system retains the current time and day If the display is blank the batteries are dead or installed incorrectly You must reset the time and day Refer to Set the Clock for instructions As a precaution when leaving home for longer than a month change batteries before leaving to prevent the system from shutting down due to lack of power Always use fresh alkaline batteries Nonalkaline batteri...

Page 11: ... 12 hour clock format You can change any or all of these settings IMPORTANT Always press the keys with your fingertip or a similar blunt tool Sharp instruments like pens and pencil points can damage the keyboard q Press and hold down and simultaneously until the screen shows You now can change any of these settings M12703A B PRESS LOWER EDGE OF CASE TO LATCH A ENGAGE TABS AT TOP OF THERMOSTAT AND ...

Page 12: ...ponse Technology Feature Number 13 Smart Response technology options are 0 Smart Response technology on preset 1 Smart Response technology off To turn Smart Response technology on or off q Press once q Press Time to move to next feature or to return to main display NOTE See Smart Response technology page 21 for information about this feature Temperature Format Feature Number 14 Temperature format ...

Page 13: ...ure Number 37 Do not change this setting STEP 9 SET THE CLOCK Set Current Day and Time NOTE On initial power up the screen flashes 1 00 pm until you press a key q Press q Press until screen shows current day q Press time or until screen shows current time Tapping the will advance the time in one hour increments q Press M13345 Run Program M13346 Set Curent Day Time Day Set Curent Day Time Run Progr...

Page 14: ...ng the cooling season The program period you can set for an energy saving temperature while you are away at work or school This is a lower temperature during the heating season and a higher temperature during the cooling season The program period when you want the house at a comfortable temperature for activities before bedtime This is a higher temperature during the heating season and a lower tem...

Page 15: ...e q Press until Mon Fri displays q Press Time or key until the desired time shows in the display NOTE Program times are in 15 minute intervals For example 8 00 8 15 8 30 q Press or key until the desired wake temperature displays Period Default Setting Weekday Mon Fri Saturday Sat Sunday Sun Wake Time 6 00AM Heata 70 F 21 C Coolb 78 F 25 5 C Leave Time 8 00AM Heata 62 F 16 5 C Coolb 85 F 29 5 C Ret...

Page 16: ...kday is now programmed Program Saturday and Sunday Repeat each step in Program Weekdays for Saturday and Sunday q Press when the entire week is programmed Clear a Program Period NOTE Wake cannot be cleared q Press or for the program period you want to clear q Press until the desired day displays Mon Fri Sat Sun q Press and hold the or for approximately 3 seconds until the time and temperature clea...

Page 17: ...r Cool q Press then or to change your setting if desired The display changes from showing the setpoint temperature to room temperature after approximately three seconds q To cancel Hold press Change the Temperature Setting Until a Designated Day and Period Vacation Hold q Press twice q Press or until the display shows the desired temperature setpoint q Press Time until the desired number of days t...

Page 18: ...uously only if fan relay is connected to the G thermostat terminal Fan Auto Normal setting for most homes The equipment controls the fan operation Then set the system switch Heat The thermostat controls your heating system Off Both the heating and air conditioning systems are off Cool The thermostat controls your air conditioning system On Auto Fan On Auto Fan Heat Off System Cool Heat Off System ...

Page 19: ...ample cannot set the heating higher or the cooling lower Make sure the temperature setpoints are 40 F to 90 F 4 5 C to 32 C for heating 45 F to 99 F 7 C to 35 C for cooling Heating does not come on Make sure the heating setpoint is above the room temperature Make sure the circuit breaker is not tripped and reset it if necessary Make sure the power switch at the equipment is in the On position and ...

Page 20: ...utes for the system to respond Set the system switch to Cool System on indicator heat cool is lit but no warm or cool air is coming from the registers Wait five minutes after seeing the flame or snowflake and check the registers again If no there is no hot or cool air coming from the registers refer to Heating does not come on or Cooling does not come on If all of this has been checked contact you...

Page 21: ...rdingly It takes a few days after installation for the thermostat to adjust to the local weather your lifestyle the construction of your home and your heating cooling system You can turn off Smart Response technology by selecting Conventional Recovery See Step 8 Customize Your Thermostat System Operating in Energy Savings Mode Recovery Begins Recovery Continues System Operating in Comfort Mode ENE...

Page 22: ...G CONTACTOR COIL FAN RELAY B R RC O W Y G M10618 THERMOSTAT 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 1 3 WIRE HEAT ONLY WITH FAN JUMPER INTACT HEATING RELAY OR VALVE COIL FAN RELAY B R RC O W Y G M12739 THERMOSTAT 4 WIRE SINGLE STAGE HEAT PUMP JUMPER INTACT B R RC O W Y G POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED USE EITHER O OR B ...

Page 23: ...SCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 1 1 5 WIRE HEAT COOL JUMPER REMOVED HEATING RELAY OR VALVE COIL COOLING CONTACTOR COIL FAN RELAY B R RC O W Y G M18738 HEAT RELAY COMPRESSOR CONTACTOR COOL DAMPER 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 1 5 WIRE HEAT COOL WITH DAMPER JUMPER INTACT B R RC O W Y G FAN RELAY HEAT DAMPER THERMOSTAT ...

Page 24: ...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 Honeywells 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 DAMAG...

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