Honeywell Chronotherm IV T8602C Installation Instructions Manual Download Page 7

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7

T8602C CHRONOTHERM

® 

IV DELUXE PROGRAMMABLE THERMOSTATS

IMPORTANT

Review the settings to confirm that they match
the system. Press Run Program to exit the
Installer Setup. The thermostat has saved the
Installer Setup changes and initiated a reset in
order to operate using the new settings. Be sure
to set the current day and time immediately.

Setting Current Day and Time

1. Press Set Current Day/Time.

NOTE: On initial powerup or after an extended

power loss, 1:00 pm flashes on the
display until a key is pressed.

3. Press Time 

 or Time

 

 

until the current time is

displayed.

NOTE: Tapping the Set Current Day/Time

changes the time in one hour increments.

M14619

Time

Set Program

System

Fan

Run

Program

Hold Temp

Set Current

Day/Time

Set Current

Day/Time

Wake

Leave

Return

Sleep

Day

Heat/Cool

Settings

Daylight

Time

Copy

Set Day/Time

Mon

PM

2. Press Day until the current day is displayed.

NOTE:

Sun=Sunday, Mon=Monday,
Tue=Tuesday, Wed=Wednesday,
Thu=Thursday, Fri=Friday, Sat=Saturday.

M14620

Time

Set Program

System

Fan

Run

Program

Hold Temp

Set Current

Day/Time

Wake

Leave

Return

Sleep

Day

Day

Heat/Cool

Settings

Daylight

Time

Copy

Set Day/Time

PM

Tue

M14621

Time

Set Program

System

Fan

Run

Program

Hold Temp

Set Current

Day/Time

Wake

Leave

Return

Sleep

Day

Time

Heat/Cool

Settings

Daylight

Time

Copy

Set Day/Time

AM

Tue

NOTE: If the current time is Daylight Savings

Time, press Daylight Time until DST is
displayed.

M14622

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

Set Day/Time

AM

DST

Tue

4. Press Run Program.

M14623

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

Wake

Room

System

Fan

Heat

Auto

AM

DST

Tue

INSTALLER SYSTEM TEST

Use the Installer System Test to check the thermostat
operation. Refer to Table 4 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 will be displayed before the 10 appears. See
Fig. 10 and 11.

Table  4. Tests Available In The Installer System Test.

M14612

Fig. 10. Display of all LCD segments.

Fig. 11. Display of test number.

T e s t  

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.

M14559

Aux Ht

Set Day/Time

Set Program

Mon
Wake Leave Return

Sleep

Outdoor

Room

Filter

Wait

System

Fan

Em Heat

On

Auto

Off

Cool

Auto

AM

PM

Hold for

Heat

Cool

Repl Batt

Recovery

DST

Tue Wed Thu Fri Sat Sun

Days

Temporary Setting

Em Ht

Summary of Contents for Chronotherm IV T8602C

Page 1: ...tructions and on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instruc tions to check out the product operation Location Install the thermostat about 1 5m 5 ft above the floor in an area with good air circulation at average temperature See Fig 1 Do not install the thermost...

Page 2: ...ghten mounting screws WIRING All wiring must comply with local electrical codes and ordinances Refer to Fig 3 for typical hookup A letter code is located near each terminal for identification CAUTION Disconnect power before wiring to prevent electrical shock or equipment damage 1 Loosen the terminal screws on the wallplate and connect the system wires See Fig 4 IMPORTANT Use 18 gauge color coded t...

Page 3: ...ACTOR HEATING TRANSFORMER COOLING TRANSFORMER 2 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED JUMPER RC TERMINAL TO R TERMINAL WHEN INSTALLED ON A ONE TRANSFORMER SYSTEM AVAILABLE ON SELECT MODELS OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE 2 1 1 3 OT OT OUTDOOR TEMPERATURE SENSOR 3 Fig 4 Proper wiring technique M4826 FOR WRAPAROUND INSERTION STRIP 7...

Page 4: ... FORWARD THROUGH INSTALLER SETUP OPTIONS DECREASE TEMPERATURE SETTING OR SCROLL BACKWARD THROUGH INSTALLER SETUP OPTIONS DISPLAY INFORMATION SUCH AS PRESENT SETTINGS AND OUTDOOR TEMPERATURE 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 THRO...

Page 5: ...used to customize the thermostat to specific systems Some of the options include temperature display system changeover and outdoor temperature display Installer Setup numbers are listed in Table 3 The table includes all the configuration options and the factory settings for the T8602 A combination of key presses are required to use the Installer Setup feature To enter the installer setup press and...

Page 6: ... 23 Outdoor temperature display select models 24 0 No outdoor temperature is displayed 1 Outdoor temperature is displayed Needs a C7089B1000 Outdoor Sensor to operate Not used 25 thru 32 Minimum off time for the compressor 33 5 5 minute minimum off time for the compressor 0 thru 4 Minimum number of minutes 0 thru 5 the compressor will be off between calls for the compressor Temperature range stops...

Page 7: ... Time until DST is displayed M14622 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 Set Day Time AM DST Tue 4 Press Run Program M14623 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 Wake Room Sys...

Page 8: ...est and Time to go back to the previous test Press Run Program to exit the system test 4 Press the increase key again to display the software revision number Example 001 Revision number 1 5 Press the increase key again to display the EEPROM identification code Example 314 EEPROM ID 314 6 Press the Run Program key to exit the system test The system test times out after four minutes without any key ...

Page 9: ...wer temperature limits were reached Check the temperature setpoints Heating limits are 4 5 to 32 C Cooling limits are 7 to 37 C heating higher or the cooling lower The setpoint temperature range stops were configured Check Installer Setup numbers 34 and 35 and reconfigure the setpoint stops Heating will not come on No power to the thermostat Check for 24 Vac between R and W terminals If missing 24...

Page 10: ...t is opening up or becoming high impedance Add resistor in parallel with load or install interface relay System on indicator flame heat snowflake cool is Fan operation set for 0 con ventional heat when it should be set for 1 electric heat Enter Installer Setup number 2 and reconfigure the fan operation displayed but no warm or cool air is coming from the registers Conventional heating equipment tu...

Page 11: ...69 1567 11 T8602C CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS ...

Page 12: ...Taiwan R O C www honeywell com yourhome Home and Building Control Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarborough Ontario M1V 4Z9 Home and Building Control Honeywell 1985 Douglas Drive North Golden Valley MN 55422 ...

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