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T8600D, T8601D AND T8602D CHRONOTHERM

 

®

 IV DELUXE PROGRAMMABLE THERMOSTATS

68-0164—1

10

M10315

Time

Set Program

System

Fan

Run

Program

Hold Temp

Set Current

Day/Time

Wake

Leave

Return

Sleep

Day

Heat/Cool

Settings

Daylight

Time

Daylight

Time

Copy

AM

DST

Tue

Set Day/Time

NOTE:

If the current time is Daylight Savings Time,
press Daylight Time until DST is displayed.

M10316

Time

Set Program

System

Fan

Run

Program

Run

Program

Hold Temp

Set Current

Day/Time

Wake

Leave

Return

Sleep

Day

Heat/Cool

Settings

Daylight

Time

Copy

Auto

System

Fan

Wake

Room

AM

DST

Tue

Heat

Aux Ht

Heat

Auto

System

Fan

Off

Auto

Wake

Mon

Wait

In

Room

Outdoor

%Humid

Auto 

Sav

AM

PM

Hold for

Cool

Repl Batt

On

Recovery

DST

Cool

TueWedThuFriSatSun

LeaveReturnSleep

M10345

Set Program

Set Day/Time

Start Time

Temporary Setting Enrg

Em Heat

Em Ht

INSTALLER SYSTEM TEST

Use the Installer System Test to check the thermostat operation.
Refer to Table 7 for a list of the available system tests.

To start the system test:

CAUTION

The minimum off time for compressors is bypassed
during the Installer System Test. Equipment damage
can occur if the compressor is cycled too quickly.

Press and hold the increase

  

  

and

  

  

decrease keys, at the

same time, until 10 appears. All segments of the display are
displayed for three seconds before 10 appears. See Fig. 10
and 11.

M10257A

TEST NUMBER

Fig. 10. Display of all the segments of the LCD.

Refer to Table 8 for the directions and results of the specific
tests.

NOTE:

Press Time 

 to advance to the next test and Time

 to go to the previous test. Press Run Program to

exit the system test.

Table 8. Installer System Test Options.

Fig. 11. Display of test number.

4. Press Run Program.

Table 7. Tests Available in Installer System Test.

Key to Press

Test

Number

Description

Heating Equipment System Test

Time 

10

Enter heating equipment system test.

11

Heat comes on. When Installer Setup number 2 is 1, the system fan is also energized.

10

Heat and system fan turn off.

Cooling Equipment System Test

Time 

30

Change from heating to cooling equipment system test.

31

Cool and system fan come on.

30

Cool and system fan turn off.

Fan Equipment System Test

Time 

40

Change from cooling to fan equipment system test.

41

Fan comes on.

40

Fan turns off.

Key Operation System Test

Time 

60  2

Change from fan to key operation system test.

Test  

Number

System Test Description

10-19

Heating equipment can be turned on and off

30-39

Cooling equipment can be turned on and off

40-49

Fan equipment can be turned on and off

60   0 to

60   19

Keyboard keys test

70-79

Thermostat information including date code and
software versions are displayed

Summary of Contents for Chronotherm IV T8600D

Page 1: ...ions 2 Ordering Information 2 Installation 4 Wiring 4 Settings 6 Installer Setup 7 Installer Self Test 10 Thermostat Information 11 Programming 11 Operation 16 Troubleshooting Guide 17 Cross Reference 19 Wiring Diagrams Fig 15 20 24 Models available with outdoor temperature sensor capability for homeowner convenience The sensor is also more accurate than a thermometer Configurable features allows ...

Page 2: ...conditions are changed Thermostat Models T8600 T8601 and T8602 Thermostats provide features listed in Table 1 Electrical Rating Nominal Range 24 Vac 50 60 Hz 20 to 30 Vac 50 60 Hz Batteries Only T8602 models require batteries Loss of Power The thermostat will maintain programmed times and temperatures for the life of the product The clock and day information is retained for a minimum of thirty min...

Page 3: ...ate The wallplate mounts horizontally on a wall or outlet box with two no 6 x 32 screws included Accessories C7089B Outdoor Temperature Sensors 69 1020 Universal Versaguard Thermostat guards RECYCLING NOTICE If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Contact your local waste management authority for instructions regardin...

Page 4: ... or on a 2 in x 4 in wiring box Position wallplate horizontally on the wall or on a 2 in x 4 in wiring box 5 FEET 1 5 METERS YES NO NO NO M10106 1 Position and level the wallplate for appearance only The thermostat will function properly even when not level 2 Use a pencil to mark the mounting holes See Fig 3 3 Remove the wallplate from the wall and drill two 3 16 inch holes in the wall if drywall ...

Page 5: ...24V powered contact O R Cooling damper or changeover valve Output 24V powered contact OT OT Outdoor temperature sensor C7089B Input R V 24V system or heating transformer Input RC 24V cooling transformer Input W H1 R3 Heating relay Output 24V powered contact Y C1 M Compressor contactor Output 24V powered contact a Some OEM models label the terminal for transformer common B M4826 FOR WRAPAROUND INSE...

Page 6: ... LOWER EDGE OF CASE TO LATCH A ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE M10405A Time Set Program System Fan Run Program Hold Temp Set Current Day Time Wake Leave Return Sleep Day Heat Cool Settings Daylight Time Copy INCREASE TEMPERATURE SETTING OR SCROLL FORWARD THROUGH INSTALLER SETUP OPTIONS DECREASE TEMPERATURE SETTING OR SCROLL BACKWARD THROUGH INSTALLER SETUP OPTIONS DISPLAY INFORMATIO...

Page 7: ...includes all the configuration options and the factory settings for the thermostat A combination of key presses are required to use the Installer Setup feature To enter the Installer Setup press and hold the Information i key with the increase and decrease keys until the first number is displayed All display segments appear for approximately three seconds before the number is displayed See Fig 8 a...

Page 8: ...d system starts early so setpoint is reached by start of program period 1 Conventional recovery system starts recovery at programmed time Degree temperature display 14 0 Temperature is displayed in F 1 Temperature is displayed in C Not used 15 Clock format 16 0 12 hour clock format 1 24 hour clock format Not used 17 and 18 Extended fan operation in heatinga 19 0 No extended fan operation after the...

Page 9: ... Settings Daylight Time Copy AM Tue Set Day Time 3 Press Time or Time until the current time is displayed NOTE Tapping the Set Current Day Time will change the time in one hour increments Installer Setup Number Press Time key to Factory Setting Other Choices Press or key to change Actual Select change Display Description Display Description Setting Not used 31 and 32 Minimum off time for the compr...

Page 10: ...e time until 10 appears All segments of the display are displayed for three seconds before 10 appears See Fig 10 and 11 M10257A TEST NUMBER Fig 10 Display of all the segments of the LCD Refer to Table 8 for the directions and results of the specific tests NOTE Press Time to advance to the next test and Time to go to the previous test Press Run Program to exit the system test Table 8 Installer Syst...

Page 11: ...ide quick temporary temperature changes to increase comfort The Hold Temp key provides energy efficient operation for extended periods of time Before starting the programming procedure use Table 9 to organize the program schedule The factory preprogrammed time temperature and fan settings are shown in brackets If a daytime energy savings period is not used press the period key Leave or Return unti...

Page 12: ...Time Copy AM DST Tue Set Day Time continued Period Start Time Heat Setpoint Cool Setpoint Fan Setting Monday Wake 6 00 AM 70 F 21 C 78 F 25 5 C Auto Leave 8 00 AM 62 F 16 5 C 85 F 29 5 C Auto Return 6 00 PM 70 F 21 C 78 F 25 5 C Auto Sleep 10 00 PM 62 F 16 5 C 82 F 28 C Auto Tuesday Wake 6 00 AM 70 F 21 C 78 F 25 5 C Auto Leave 8 00 AM 62 F 16 5 C 85 F 29 5 C Auto Return 6 00 PM 70 F 21 C 78 F 25 ...

Page 13: ...temperature setpoint NOTE The program times are the same for both heating and cooling M10321 Time Set Program System Fan Run Program Hold Temp Set Current Day Time Wake Leave Return Sleep Day Heat Cool Settings Heat Cool Settings Daylight Time Copy Auto System Fan Wake Mon AM Cool Set Program Start Time Setting Heat 6 Press increase or decrease key until the desired temperature setpoint is display...

Page 14: ...ent Day Time Wake Leave Return Sleep Day Heat Cool Settings Daylight Time Copy Heat Wake Temporary Setting 2 Press Day until the desired day is displayed 3 Press Leave Return or Sleep until the start time and temperature setting are cleared approximately 3 seconds NOTE Wake cannot be cleared 4 Repeat steps 2 and 3 for all the periods to be cleared 5 Press Run Program Setting Temporary Temperatures...

Page 15: ...lected only the Cool setpoint is needed 5 Press Heat Cool Settings to change between heat and cool settings 6 Press increase or decrease key to adjust the temperature setting if desired Example Cool 84 cooling equipment will operate when the room temperature is above 84 F NOTE In this example the thermostat uses the Hold setting for eighteen days and returns to the daily programs at the Return per...

Page 16: ... is an offset droop in the control point as the system load changes This is a phenomenon that most people in the industry know and accept Many factors contribute to offset including switch differential thermal lag overshoot cycle rates and system load The thermostat microprocessor simultaneously gathers compares and computes data Using this data it controls a wide variety of functions The special ...

Page 17: ...telligent Recovery ensures that the comfort setting is achieved at the programmed time regardless of weather conditions Conventional recovery however starts recovery at the beginning of the programmed time period and uses the equipment to achieve the comfort settings as soon as possible Fig 14 Temperature change in recovery 70 F 60 F SLEEP HEATING MODE WAKE SETPOINT TEMPERATURE ACTUAL TEMPERATURE ...

Page 18: ... room temperature Check for 24 Vac between R and C or W terminals If missing 24 Vac check if the circuit breaker is tripped reset the circuit breaker check if the system fuse is blown replace the fuse check if the power switch on the HVAC equipment is in the Off position set to the On position check wiring between thermostat and HVAC equipment replace any broken wires and tighten any loose connect...

Page 19: ...tup number 24 and set to 1 Thermostat must have OT terminals and a C7089B1000 installed Outdoor temperature Outdoor sensor is connected incorrectly Refer to C7089B1000 installation instructions and check wiring between the thermostat and sensor display is incorrecta Wrong sensor Replace sensor with C7089B1000 sensor a Available on select models Feature Function Chronotherm III Family Chronotherm I...

Page 20: ...go conventional T8600D2028 Separate O B terminals duel fuel T8600C1030 Canadian TRADELINE thermostat Honeywell logo conventional degree C O and B terminals T8600D2028 Configure for C in Installer Setup 14 duel fuel jumper R to Rc T8600C1048 York logo conventional part no 2ET07700124A T8600D2028 Separate O B terminals duel fuel T8600C1055 Canadian TRADELINE thermostat Honeywell logo conventional de...

Page 21: ...79 Canadian TRADELINE French thermostat conventional T8600D2028 English only keyboard separate O B terminals duel fuel T8600D One stage heat and one stage cool conventional thermostat system powered automatic changeover system switch HEAT OFF COOL AUTO fan switch ON AUTO T8600D1004 TRADELINE thermostat Honeywell logo T8600D2028 Separate O B terminals duel fuel T8600D1012 Canadian TRADELINE thermos...

Page 22: ...39 Carrier logo part no HH641 104 T8601D2019 Jumper R to Rc Premier White color T8601C1047 New Construction thermostat Premier White color T8601D2019 Jumper R to Rc T8601C1054 Trol A Temp thermostat Premier White color T8601D2027a Configure manual changeover in Installer Setup12 replacement has Oc terminals T8601C1062 Trol A Temp by Honeywell logo T8601D2027a Configure manual changeover in Install...

Page 23: ... stage cool thermostat battery powered system switch HEAT OFF COOL fan switch ON AUTO T8602C1004 TRADELINE thermostat Honeywell logo T8602D2000 Separate O B terminals jumper R to Rc T8602C1012 Amana logo conventional part no none T8602D2000 Separate O B terminals jumper R to Rc T8602C1020 Rheem logo conventional part no none T8602D2000 Separate O B terminals jumper R to Rc T8602C1046 SUPER TRADELI...

Page 24: ...Number Description TRADELINE Replacement Remarks T8602D One stage heat and one stage cool conventional thermostat battery powered automatic changeover T8602D1010 Trol A Temp by Honeywell thermostat Premier White color system switch none fan switch none field terminals W 4 R 5 Y 6 T8602D2026a T8602D1028 Trol A Temp by Honeywell thermostat system switch none fan switch none field terminals W 4 R 5 Y...

Page 25: ...R O 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED CAN BE USED FOR CHANGEOVER VALVE ON SINGLE STAGE HEAT PUMP SYSTEMS AVAILABLE ON SELECT MODELS OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE 2 2 2 1 3 OT OT OUTDOOR TEMPERATURE SENSOR 3 3 L1 HOT L2 M10354 FAN RELAY Y G THERMOSTAT RC HEAT RELAY R W L1 HOT L2 COMPRESSOR CONTACTOR HEATING TRANSFORMER COOLIN...

Page 26: ...T8600D T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS 68 0164 1 26 ...

Page 27: ...T8600D T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS 68 0164 1 27 ...

Page 28: ...Building Control Honeywell Limited Honeywell Limitée 155 Gordon Baker Road North York Ontario M2H 3N7 Honeywell Latin American Region 480 Sawgrass Corporate Parkway Suite 200 Sunrise FL 33325 Helping You Control Your World 68 0164 1 J H Rev 7 97 Printed in U S A www honeywell com yourhome Home and Building Control Honeywell Inc Honeywell Plaza P O Box 524 Minneapolis MN 55408 0524 Printed on recyc...

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