Honeywell Chronotherm IV T8602D Bedienungsanleitung

® U.S. Registered Trademark

INSTALLATION INSTRUCTIONS

69-1510-

T8602D Chronotherm® IV

Programmable Thermostats

APPLICATION

The T8602 Chronotherm® IV Programmable Thermostat

provides electronic control of 24 Vac single-stage heating

and cooling systems or 750 mV heating and 750 mV

cooling. Refer to Table 1 for a general description of the

thermostat. All T8602 Thermostats are powered by

batteries.

MERCURY NOTICE

If this control is replacing a control that contains

mercury in a sealed tube, do not place your old

control in the trash. Dispose of properly.

Contact your local waste management authority

for instructions regarding recycling and the

proper disposal of the old control.

INSTALLATION

When Installing this Product...

1. Read these instructions carefully. Failure to follow

the instructions can damage the 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 1.5m (5 ft) above the floor in

an area with good air circulation at average temperature.

See Fig. 1.

Do not install the thermostat where it can be affected by:

— drafts, or dead spots behind doors and in corners.

— hot or cold air from ducts.

— radiant heat from sun or appliances.

— concealed pipes and chimneys.

— unheated (uncooled) areas such as an outside wall

behind the thermostat.

Wallplate Installation

The thermostat can be mounted horizontally on the wall

or on a 50.8 mm x 101.6 mm (2 in. x 4 in.) wiring box.

Position wallplate horizontally on the wall or on a

50.8 mm x 101.6 mm (2 in. x 4 in.) wiring box.

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. Remove the wallplate from the wall and drill two

4.76 mm (3/16 in.) holes in the wall (if drywall) as

marked. For firmer material such as plaster, drill

two 5.56 mm (7/32 in.) holes. Gently tap anchors

(provided) into the drilled holes until flush with the

wall.

4. Position the wallplate over the holes, pulling wires

through the wiring opening.

5. Loosely insert the mounting screws into the holes.

6. Tighten mounting screws.

Table 1. Description of T8602 Thermostats.

T8602 System Changeover

System

Selection

Fan

Selection Comments

D Heat-Cool Manual or

Automatic

Selectable

Heat-Off-Cool or

Heat-Off-Cool-Auto

On-Auto System and fan selections are done

by keyboard.

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

69-1510-4 2

Fig. 1. Typical location of thermostat.

Fig. 2. Mounting the wallplate.

WIRING

All wiring must comply with local electrical codes and

ordinances. Refer to Fig. 3 through 6 for typical hookups.

A letter code is located near each terminal for

identification.

CAUTION

Electrical Hazard.

Can cause electrical 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 thermostat cable for

proper wiring.

2. Securely tighten each terminal screw.

3. Push excess wire back into the hole.

4. Plug the hole with nonflammable insulation to pre-

vent drafts from affecting the thermostat.

Fig. 3. Typical hookup in heat and cool

system with two transformers.

1.5 METERS

(5 FEET)

YES

M10856

WIRES

THROUGH WALL

WALL

MOUNTING

HOLES

M15044

MOUNTING

SCREWS

WALL

ANCHORS (2)

(HOT

)

M10855

FAN

RELAY

THERMOSTAT

HEAT

RELAY

(

HOT)

COMPRESSOR

CONTACTOR

HEATING

TRANSFORMER

COOLING

TRANSFORMER

1POWER 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.

OTOT

OUTDOOR

TEMPERATURE

SENSOR

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

3 69-1510-4

Fig. 4. Typical hookup in heat and cool system with

one transformer.

Fig. 5. Typical hookup in millivoltage heating circuit.

Fig. 6. Typical hookup in millvoltage heating and

24 Vac cooling circuit.

Fig. 7. Correct wiring technique.

Mounting Thermostat

1. Engage tabs at the top of the thermostat and wall-

plate. See Fig. 7.

2. Press lower edge of case to close and latch.

NOTE: To remove the thermostat from the wall, first pull

out at the bottom of the thermostat; remove top

last.

Fig. 8. Mounting thermostat on wallplate.

(HOT

)

M10347A

FAN

RELAY

THERMOSTAT

HEAT

RELAY

COMPRESSOR

CONTACTOR

TRANSFORMER

HEAT

DAMPER

COOL

DAMPER

1POWER 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.

OTOT

OUTDOOR

TEMPERATURE

SENSOR

MILLIVOLT HEATING-ONLY

WALLPLATE

M2931

TH/

PP MILLIVOLTAGE

GAS CONTROL

LIMIT

CONTRO

ILLIVOLTAGE

ENERATOR

PILOTSTAT

CONTROL

(IF USED)

M2942

TH/

MILLIVOLTAGE

GAS CONTROL

LIMIT

CONTROL

ILLIVOLTAGE

ENERATOR

PILOTSTAT

CONTROL

(IF USED)

COOLING

CONTACTOR

WGRRC Y O

(HOT)

1FAN

RELAY

CHANGEOVER

RELAY

POWER SUPPLY. PROVIDE DISCONNECT MEANS

AND OVERLOAD PROTECTION AS REQUIRED.

MILLIVOLT HEATING-24Vac

COOLING WALLPLATE

M482

OR WRAPAROUND

NSERTION STRIP

/16 IN. (11 MM).

FOR STRAIGHT INSERTION

STRIP 5/16 IN. (8 MM).

M1462

PRESS LOWER

EDGE OF CASE

TO LATCH.

ENGAGE TABS

AT TOP OF

THERMOSTAT

AND WALLPLATE.

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

69-1510-4 4

Using Thermostat Keys

The thermostat keys are used to:

• set current day and time,

• program times and setpoints for heating and cooling,

• temporarily override program temperatures,

• display present setting,

• configure Installer Setup,

• check Self-Test,

• display outdoor temperature (select models),

• set the system operation,

• set the fan operation.

See Fig. 9 for the location of the keys.

Fig. 9. T8602D key locations and descriptions.

SETTINGS

System and Fan Settings

The System default setting is Heat and the Fan default

setting is Auto. Use the System and Fan keys to change

the settings. See Fig. 10. The fan settings can be set for

each program period individually. The system selection is

for all the program periods.

System settings control the thermostat operation as

follows:

Heat: The thermostat controls the heating.

Off: Both the heating and cooling are off.

Cool: The thermostat controls the cooling.

Auto: The thermostat automatically changes between

heating and cooling operation, depending on the

indoor temperature.

Fan settings control the system fan as follows:

On: Fan operates continuously.

Auto: Fan operates with equipment.

Fig. 10. Thermostat System and Fan key locations.

NOTE: Always press the keys with your fingertip or sim-

ilar blunt tool. Sharp instruments like a pen or

pencil point can damage the keyboard.

M14624

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 OPTION

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

NCREASE TIME SETTING

R SCROLL FORWARD

HROUGH INSTALLER SETUP

ND 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 SETPOINTS

CHANGE BETWEEN

HEATING AND COOLING

SETPOINTS

SET LEAVE TIMES

AND SETPOINTS SET RETURN TIMES

AND SETPOINTS

SET SLEEP TIMES

AND SETPOINTS

SELECT SYSTEM

OPERATION

SELECT FAN

OPERATION

M14625

HoldTemp

Run

Program

Copy

Daylight

Time

Set Current

Day/Time

System Fan

Time Set Program

Day System

Fan

Wake Leave Return Sleep

Heat/Cool

Settings

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

5 69-1510-4

Temperature Settings

Refer to Table 2 for the default program settings. If the

daytime energy savings period is not used, press the

period key (Leave or Return) until the time is blank. The

fan setting feature is available on select thermostat

models. See Owner’s Guide, form 69-0940, for complete

instructions on changing the program.

INSTALLER SETUP

NOTE: For most applications, the thermostat factory-

settings do not require changing. Review the

factory settings in Table 2 and, if no changes

are necessary, go to Installer Self-Test section.

The Installer Setup is 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 is required to use the

Installer Setup feature.

— To enter the installer setup, press and hold the

information ikey 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. 11

and 12.

— 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 backward, press

the Time ∇key.

— To exit the Installer Setup, press Run Program.

Fig. 11. Display of all LCD segments.

Fig. 12. Display of Installer Setup number and

setting.

CAUTION

Electric Heat Configuration Hazard.

Can cause equipment damage.

Configure electric heat system to 1 in Installer

Setup number 2 to prevent system running

without fan.

IMPORTANT

Only configured numbers are shown on the

device. Example: If thermostat does not have a

System key, Installer Setup Number 12 will not

be displayed. Review Table 3 factory settings

and mark any desired changes in the Actual

Setting column. When Installer Setup is com-

plete, review the settings to confirm that they

match the system.

Table 2. Default Program Settings.

Period Time

Heat

Setpoint

Cool

Setpoint

Fan

Setting

Wake 6:45 AM 20°C 25°C Auto

Leave 8:45 AM 4.5°C 37°C Auto

Return 5:00 PM 20°C 25°C Auto

Sleep 10:00 PM 4.5°C 37°C Auto

M1455

Aux Ht

Set Day/TimeSet Program

Mon

Wake Leave Return Sleep OutdoorRoom

Filter

Wait

System

Fan

Em Hea

Auto

Coo

Auto

Hold for

Heat Cool

Repl Batt

Recovery

DST

TueWedThu Fri Sat Sun

Days

Temporary Setting

Em Ht

M14618

INSTALLER SETUP

NUMBER DISPLAY

(COLUMN 2 OF TABLE 3)

FACTORY SETTING OR OTHER

CHOICE DISPLAY (COLUMN 3

OR 5 OF TABLE 3)

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

69-1510-4 6

Table 3. Thermostat Installer Setup Options.

Select

Installer Setup

Number (Press

Time ∆key to

change)

Factory Setting

Other Choices

(Press or key to change)

Actual

SettingDisplay Description Display Description

Not Used. 1 — — — — —

Fan

operation.

(Number 2 must

be set to 1 to

extend fan

operation.)

0 Conventional

applications

where

equipment

controls fan

operation in heat

mode.

1 Heat pump or electric heat

applications where

thermostat controls fan

operation in heat mode.

Not Used. 3 — — — — —

Heating cycle

rate.

4 6 6—6 cph used

for conventional

heat.

1, 3, or

1—1 cph used for radiant

floor heat, gravity

system.

3—3 cph used for hot

water systems or high

efficiency furnaces.

9—9 cph used for electric

heat systems.

Not Used. 5 thru 11 — — — — —

System

setting

adjustment

12 1 Manual

changeover

0 or 2 0—Auto changeover

2—Auto only

Adaptive

Intelligent

Recovery™

control.

13 1 Conventional

recovery

(system starts

recovery at

programmed

time).

Adaptive Intelligent

Recovery™ control is

activated (system starts

early so setpoint is

reached by start of

program period).

—

Not Used. 14 thru 15 — — — — —

Clock format. 16 0 12-hour clock

format.

1 24-hour clock format.

Not Used. 17 thru 23 — — — — —

Outdoor

temperature

display

(select

models).

24 0 No outdoor

temperature is

displayed.

1 Outdoor temperature is

displayed. Needs a

C7089B1000 Outdoor

Temperature 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

in heating.

34 32.0 Highest setting

for heating

setpoint.

4.5 to

31.5

Temperature range (0.5°C

increments) of heating

setpoint settings.

Temperature

range stops

in cooling.

35 7.0 Lowest setting

for cooling

setpoint.

7.5 to

37.0

Temperature range (0.5°C

increments) of cooling

setpoint settings.

Not Used. 36 — — — — —

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

7 69-1510-4

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.

Temperature

display

adjustment.

37 0 No difference in

displayed

temperature and

actual room

temperature.

1.5 thru

-1.5

.5—Display adjusts to

0.5°C higher than

actual room

temperature.

1.0—Display adjusts to

1.0°C higher than

actual room

temperature.

1.5—Display adjusts to

1.5°C higher than

actual room

temperature.

-.5—Display adjusts to -

.5°C lower than actual

room temperature.

-1.0—Display adjusts to -

1.0°C lower than actual

room temperature.

-1.5—Display adjusts to -

1.5°C lower than actual

room temperature.

Furnace Air

Filter Timer.

43 0 Off 1, 2, 3,

1 – 10 days

2 – 30 days

3 – 60 days

4 – 120 days

(Time counted when heat,

cool or fan is running.)

Humidifier

Pad Monitor.

44 0 Off 1, 2, 3 1 – 90 days

2 – 180 days

3 – 365 days

(Time counted by calendar

days in heat mode.)

Ultraviolet

(UV) Air

Treatment

System Lamp

Monitor.

45 0 Off 1 1 – 365 days

(Times counted by

calendar days in any

mode.)

Table 3. Thermostat Installer Setup Options. (Continued)

Select

Installer Setup

Number (Press

Time ∆key to

change)

Factory Setting

Other Choices

(Press or key to change)

Actual

SettingDisplay Description Display Description

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

69-1510-4 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 dis-

played.

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.

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.

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.

Fig. 13. Display of all LCD segments.

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

M1461

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

M1462

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

Tue

M1462

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

Tue

M1462

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

DST

Tue

M1462

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

DST

Tue

Table 4. Tests Available In Installer 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, is displayed.

M1455

Aux Ht

Set Day/TimeSet Program

Mon

Wake Leave Return Sleep OutdoorRoom

Filter

Wait System

Fan

Em Hea

Auto

Coo

Auto

Hold for

Heat Cool

Repl Batt

Recovery

DST

TueWedThu Fri Sat Sun

Days

Temporary Setting

Em Ht

M1461

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

9 69-1510-4

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.

Table 5. Installer System Test Options.

Keys 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.

T8602D CHRONOTHERM® IV PROGRAMMABLE THERMOSTATS

69-1510-4 10

THERMOSTAT INFORMATION

1. Press the Time ∆key to access the thermostat

information.

2. Press the increase key to display the production

date code. The first two large digits are the month

and the third digit is the last digit of the year.

(Example: 027 = February 1997).

3. Press the increase key again to display the

software 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 Temperature Sensor

(Select Models)

Allow the outdoor temperature sensor to absorb the

outdoor air for a minimum of five minutes before taking a

reading.

M1461

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