T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

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.

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.

Set Current

Day/Time

Run

Program

Hold Temp

Set Current

Day/Time

Day

Time

Wake

Set Program

Leave Return Sleep

Heat/Cool

Settings

System Fan

Daylight

Time

Copy

Mon

Set Day/Time

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.

M14619

CAUTION

Equipment Damage Hazard.

Minimum compressor off-time is bypassed during Installer System Test.

Avoid cycling compressor quickly.

To start the system test:

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. 13 and 14.

Set Day/Time

Tue

PM

Day

Run

Program

Set Current

Day/Time

Time

Wake

Set Program

Leave Return Sleep

Heat/Cool

Settings

System Fan Hold Temp Day

Daylight

Time

Copy

M14620

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.

Time

Set Day/Time

AM

Run

Program

Hold Temp

Set Current

Day/Time

Day

Time

Wake

Set Program

Leave Return Sleep

Heat/Cool

Settings

System Fan

Daylight

Time

Copy

Tue

M14621

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

Table 4. Tests Available In Installer System Test.

Test

Number

10-19

30-39

40-49

60 0 to

60 19

70-79

System Test Description

Heating equipment can be turned on and off.

Cooling equipment can be turned on and off.

Fan equipment can be turned on and off.

Keyboard keys test.

Thermostat information, including date code and software versions, is displayed.

Daylight

Time

Run

Program

Set Current

Day/Time

Hold Temp Day

Daylight

Time

Time

Wake

Heat/Cool

Settings

Set Program

Leave Return

System

Sleep

Fan

Copy

4. Press Run Program.

Tue

Set Day/Time

AM

DST

M14622

Wait Set Program Set Day/Time Temporary Setting

Recovery

Hold for

AM

Filter

Mon

Em Ht Aux Ht

PM

Days

Tue Wed Thu Fri Sat Sun

Wake Leave Return Sleep

Repl Batt

DST

Room Outdoor

Heat Cool

System

Em Heat

Off

Cool

Auto

Fan

On

Auto

M14559

Fig. 13. Display of all LCD segments.

Run

Program

Run

Program

Set Current

Day/Time

Time

Wake

Set Program

Leave Return Sleep

Heat/Cool

Settings

System Fan Hold Temp Day

Daylight

Time

Copy

Wake

Tue

69-1510-4

AM

DST

Room

System

Heat

Fan

Auto

M14623

8

M14612

Fig. 14. Display of test number.

Refer to Table 5 for the directions and results of the specific tests.

NOTE: Press Time ∆ to advance to the next test and

Time ∇ to go back to the previous test. Press

Run Program to exit the System Test

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

Table 5. Installer System Test Options.

Keys to

Press

Test

Number

Heating Equipment System Test

Time ∆ 10 Enter heating equipment system test.

11

Description

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

30

Cool and system fan come on.

Cool and system fan turn off.

Fan Equipment System Test

Time ∆ 40

41

Change from cooling to fan equipment system test.

Fan comes on.

40 Fan turns off.

Key Operation System Test

Time ∆ 60 2 Change from fan to key operation system test.

NOTE: Press any key and the displayed numbers will change. Press Time ∇ to go to the previous test and Time ∆ to go to the next test. The Run Program key does not exit this test. Press Time ∆ or Time ∇ and then the Run

Program key to exit.

9 69-1510-4