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Honeywell CT8602 Owner'S Manual Download Page 23

23

69-1532

Notice:

This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, 
CRC c. 1374.

M10619

THERMOSTAT

1

POWER SUPPLY.  PROVIDE 
DISCONNECT 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

Summary of Contents for CT8602

Page 1: ...obtenir des notices techniques en français veuillez consulter notre site web www honeywell com yourhome 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...

Page 2: ...ce It comes preprogrammed You can 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 thi...

Page 3: ...EMPERATURE RETURN TO NORMAL OPERATIONS ENTER INDEFINITE OR TIMED HOLD MODE SET CURRENT DAY AND TIME SET CURRENT OR PROGRAM DAY CHANGE BETWEEN DAYLIGHT SAVINGS AND STANDARD TIME INCREASE TIME SETTING OR SCROLL FORWARD THROUGH INSTALLER SETUP AND SYSTEM TEST DECREASE TIME SETTING OR SCROLL BACKWARD THROUGH INSTALLER SETUP AND SYSTEM TEST COPY ONE PROGRAMMED DAY TO ANOTHER DAY SET WAKE TIMES AND SETP...

Page 4: ...OWS THE BATTERIES ARE LOW AND MUST BE REPLACED DISPLAYS EITHER ROOM OR SET TEMPERATURES SHOWS SMART RESPONSE IS OFF CONVENTIONAL RECOVERY IS ON SHOWS SMART RESPONSE IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAMS SHOWS THAT THERMOSTAT IS CALLING FOR HEAT OR COOL SHOWS CURRENT SYSTEM SWITCH POSITION HEAT OFF COOL SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED SHOWS CURRENT DAY OR ...

Page 5: ... zone valves b Millivolt system must be heat only c Not compatible with any 120 240 volt system Package Contents Thermostat Wallplate Screws and anchors Wiring labels 3 Energizer AA batteries Owners manual Tools Required Screwdriver Drill System Type Compatibility with CT8602 Gas Standing Pilot Yes Gas Electronic Ignition Yes Gas fired Boilers Yesa Gas 750 Millivolt Heat onlyb Yes Oil Fired Boiler...

Page 6: ... 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 on the Chronotherm wiring wallplate Do not allow them to touch or you can damage the transformer Disconnect the wires and wrap them separately using electrical tape Do not wrap them together Place the wires where they will n...

Page 7: ...est fit the application 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 provided anchors into the drilled holes until they are flush with the wall Reposition the wallplate over the holes Pull the wires through the wiring opening Loosely insert mounting screws into each of th...

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

Page 9: ...ating cooling system Install the batteries in the wallplate so the positive terminals all point up see illustration If the thermostat is already mounted on the wall remove the thermostat by placing your thumb between the thermostat and wallplate and pulling the thermostat up and away as shown Terminal on Old Thermostat Connect To Description R RHa 4 V R Power Rc Ra Rc Power for cooling W W1 H W He...

Page 10: ...orrectly 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 batteries do not last as long They also can leak causing damage to the thermostat and the wall surface Honeywell recomm...

Page 11: ...s or oil forced air furnace Smart Response technology on Temperature F 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 A ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE M12703 B PRESS LOWER EDGE OF CASE TO LATCH ...

Page 12: ...or to return to main display Smart Response 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 Press once 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 Fea...

Page 13: ...ge Stops Feature Number 35 Temperature range options are 45 lowest setting for cooling setpoint preset 46 to 99 temperature range 1 F increments cooling setpoint can be set to Factory Set Function Feature 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 Press Press until screen shows current...

Page 14: ...work or school This is a higher temperature during the heating season and a lower temperature during 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 fo...

Page 15: ...rogram the First Day Start by programming the wake time and temperature for one day Press and release Press until the desired day displays Mon Tue Wed Thu Fri Sat Sun Press time or until the desired time shows in the display Period Default Setting Monday Mon Tuesday Tue Wednesday Wed Thursday Thu Friday Fri Saturday Sat Sunday Sun Wake Time 6 00AM Heata 70 F 21 C Coolb 78 F 25 5 C Leave Time 8 00A...

Page 16: ... setpoint Press or and repeat these steps for each program period The First Day is now programmed Repeat each step in Program the First Day for the rest of the week NOTE After the first day is programmed you can copy that day to any other day using procedure in Copy a Day Press when the entire week is programmed Copy a Day Your thermostat can copy program settings from one day to another Press or ...

Page 17: ...ly 3 seconds until the time and temperature clear Repeat the above steps for each period to be cleared Press STEP 11 OPERATING YOUR THERMOSTAT Change Temperature Setting Until the Next Program Period Temporary Change Press or until the screen shows the desired temperature setting NOTE The temporary temperature setting is displayed for about 3 seconds and then the room temperature is dis played Tem...

Page 18: ... period when you want the program to restart NOTE If the Vacation Hold needs to be cancelled before the designated time press to return to the program Daylight Savings Time Key This feature allows you to switch between standard time and daylight savings time Press during fall to set the time back one hour Press during the spring to set time forward one hour DST is displayed when operating on dayli...

Page 19: ...ir conditioning systems are off Cool The thermostat controls your air conditioning system Table 4 Solution Guide If Then Display does not appear Make sure the batteries are installed correctly Make sure the thermostat is mounted and latched on the wallplate Mount and latch the thermostat on the wallplate if it is not Temperature settings will not change example cannot set the heating higher or the...

Page 20: ...it 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 your local heating and cooling contractor Display flashes during programming The temperature setting limit has been reached The heating setting range is 40 ...

Page 21: ...ostat activates Smart Response technology the thermostat displays In Recovery changes the setpoint and turns on the system Your CT8602 thermostat learns from experience Each day it checks how closely it hit the recovery target and then adjusts the next day s recovery start time accordingly It takes a few days after installation for the thermostat to adjust to the local weather your lifestyle the c...

Page 22: ... CONTACTOR 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 FOR HEAT PUMP CHANGEOVER USING A JUMPER WIRE NOT SUPPLIED CONNECT W TO Y 1 2 2 2 1 COMPRESSOR CONTACTOR COOL CHANGEOVER VALVE HEAT CHANGEOVER VALVE FAN RELAY 3 3 M10618 THERMOSTAT 1 POWER SU...

Page 23: ...CONNECT 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: ...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 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 INCLU...

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