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T8602C CHRONOTHERM

® 

IV DELUXE PROGRAMMABLE THERMOSTATS

69-1670

8

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.

2.

Press Day until the current day is displayed.

NOTE: Sun=Sunday, Mon=Monday, 

Tue=Tuesday, Wed=Wednesday, 
Thu=Thursday, Fri=Friday, Sat=Saturday.

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.

NOTE: If the current time is Daylight Savings Time, 

press Daylight Time until DST is displayed.

4.

Press Run Program.

View or Reset Timer Settings

When the thermostat activates a timer, the thermostat 
flashes 

Filter 

until the timer resets.

1.

Reset the timer by pressing the 

i

 key until the 

expired timer is displayed.

2.

Press the Time 

 key to reset the timer. 

3.

Press the Run Program key.

NOTE: You can view the number of days remaining at 

any time by pressing the 

key three or four 

times. If more than one timer is active, all active 
timers show sequentially when pressing the 
 

key several times.

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

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

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

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

M20243

Filter

Days

M20244

Filter

Days

Summary of Contents for T8602C

Page 1: ... product or cause a hazardous condition 2 Check the ratings given in the instructions 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 instructions to check out the product operation Location Install the thermostat about 5 ft 1 5m above the floor in an area with good a...

Page 2: ...ING All wiring must comply with local electrical codes and ordinances Refer to Fig 3 and 6 for typical hookup A letter code is located near each terminal for identification CAUTION Electrical Hazard Can cause electric shock or equipment damage Disconnect power before wiring 1 Loosen the terminal screws on the wallplate and connect the system wires See Fig 7 IMPORTANT Use 18 gauge color coded therm...

Page 3: ... THE THERMOSTAT CABLE 2 2 2 1 3 OT OT OUTDOOR TEMPERATURE SENSOR 3 RC L1 HOT L2 M10348 FAN RELAY Y G THERMOSTAT RC HEAT RELAY R W L1 HOT L2 COMPRESSOR CONTACTOR HEATING TRANSFORMER COOLING TRANSFORMER B HEAT DAMPER COOL DAMPER O 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 CAN BE USED FOR C...

Page 4: ...r s Guide for complete instructions on changing the program Table 2 Default Program Settings M14880 Time Set Program System Fan On Auto 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 OPTI...

Page 5: ...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 12 and 13 To advance to the next Installer Setup press the Time key To change a setting use the increase or decrease key To scroll the Installer Setup numbers backwar...

Page 6: ...tem 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 thru 23 Outdoor temperature display models with OT terminals 24 0 No outdoor temperature is displayed 1 Outdoor temperature is displayed Needs a C7089B1000 Outdoor Temperature Senso...

Page 7: ... higher than actual room temperature 1 Display adjusts to 1 F lower than actual room temperature 2 Display adjusts to 2 F lower than actual room temperature 3 Display adjusts to 3 F lower than actual room temperature Furnace Air Filter Timer 43 2 90 days calendar days 0 1 3 4 0 off 1 30 days 3 180 days 4 365 days Time is counted by calendar days in any mode Humidifier Pad Monitor 44 0 Off 1 2 3 1 ...

Page 8: ...days remaining at any time by pressing the i key three or four times If more than one timer is active all active timers show sequentially when pressing the i key several times 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 M14620 Time Set Program System Fan Run ...

Page 9: ...e to go to the previous test and Time to go to the next test The Run Program key will not exit this test Press Time or Time and then the Run Program key to exit 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 M19014 Mon Wake Leave Retur...

Page 10: ...are identification code Example 02 software ID code 2 4 Press the increase key again to display the soft ware 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 presses CHECKOUT Outdoor Tempera...

Page 11: ...rcuit 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 connections If 24 Vac is present proceed with troubleshooting Thermostat minimum off time is activated Wait up to five minutes for the system t...

Page 12: ...ce has warmed up to a setpoint Wait a minute after seeing the on indicator and then check the registers Heating or cooling equipment is not operating Verify operation of heating or cooling equipment in self test Outdoor tempera ture not displayeda Option not activated Enter Installer Setup number 24 and set to 1 Thermostat must have OT terminals and a C7089B1000 installed Outdoor temperature displ...

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