Honeywell Chronotherm Iv T8611G Users Manual 69 1406 Chronotherm® Deluxe Programmable Heat Pump Thermostat

CHRONOTHERM T8611G 69-1406

T8611G to the manual 265a0bf0-297a-44c6-b1d3-459b0db39f7c

2015-01-23

: Honeywell Honeywell-Chronotherm-Iv-T8611G-Users-Manual-262006 honeywell-chronotherm-iv-t8611g-users-manual-262006 honeywell pdf

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T8611G Chronotherm® IV
Deluxe Programmable
Heat Pump Thermostats
INSTALLATION INSTRUCTIONS

APPLICATION
The T8611G Chronotherm® IV Deluxe Programmable
Heat Pump Thermostats provides electronic control of 24
Vac single-zone heat pump systems.

Refer to Table 1 for a general description of the
thermostat. All T8611 thermostats require a common wire
to supply power.

Table 1. Description of T8611 Thermostats.
T8611 Changeover
G

Automatic

System Selection

Fan Selection

Em Heat-Heat-Off-Cool-Auto On-Auto

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.

When Installing this Product...
2.
3.
4.

Read these instructions carefully. Failure to follow
the instructions can damage the product or cause
a hazardous condition.
Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
Installer must be a trained, experienced service
technician.
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 air circulation at average temperature.
See Fig. 1.

® U.S. Registered Trademark
Copyright © 2002 Honeywell •

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 2 in. x 4 in. (50.8 mm x 101.6 mm) wiring box.
Position wallplate horizontally on the wall or on a
2 in. x 4 in. (50.8 mm x 101.6 mm) wiring box.

INSTALLATION
1.

Comments
System and fan selections are done by keyboard.

1.
2.
3.

4.
5.
6.

Position and level the wallplate (for appearance
only). The thermostat will function correctly even
when not level.
Use a pencil to mark the mounting holes. See Fig.
2.
Remove the wallplate from the wall and drill two
3/16 inch (76 mm) holes in the wall (if drywall) as
marked. For firmer material such as plaster, drill
two 7/32 inch (5.56 mm) holes. Gently tap anchors
(provided) into the drilled holes until flush with the
wall.
Position the wallplate over the holes, pulling wires
through the wiring opening.
Loosely insert the mounting screws into the holes.
Tighten mounting screws.

69-1406-1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
4.

Plug the hole with nonflammable insulation to
prevent drafts from affecting the thermostat.
THERMOSTAT
C

YES

O/B

W1 R

X2 L OT

NO
EQUIPMENT

HEAT
RELAY
2

FAN
RELAY

MONITOR 2

COOLING OR
HEATING
CHANGEOVER
VALVE

5 FEET
[1.5 METERS]

COMPRESSOR
CONTACTOR

EM. HT.
RELAY

EQUIPMENT
MONITOR 1
OUTDOOR
SENSOR

HEAT
RELAY
1

1
L1
(HOT)
L2

M10106

TRANSFORMER
1

Fig. 1. Typical location of thermostat.

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.

M11311A

Fig. 3. Typical hookup of T8611G
in a heat pump system.
WALL
WIRES
THROUGH WALL
FOR WRAPAROUND
INSERTION STRIP
7/16 IN. (11 MM).

FOR STRAIGHT INSERTION
STRIP 5/16 IN. (8 MM).

WALL
ANCHORS (2)
M4826

Fig. 4. Correct wiring technique.

Mounting Thermostat

MOUNTING
HOLES

MOUNTING
SCREWS

M15044

Engage tabs at the top of the thermostat and wallplate. See Fig. 5.
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. 2. Mounting the wallplate.

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.
A. ENGAGE TABS

CAUTION

AT TOP OF
THERMOSTAT
AND WALLPLATE.

Electrical Hazard.
Can cause electrical shock or equipment
damage.
Disconnect power before wiring.

Loosen the terminal screws on the wallplate and
connect the system wires. See Fig. 4.

IMPORTANT
Use 18 gauge, color-coded thermostat cable for
proper wiring.
2.
3.

B. PRESS LOWER
EDGE OF CASE
TO LATCH.

Securely tighten each terminal screw.
Push excess wire back into the hole.

69-1406—1

M14628

Fig. 5. Mounting thermostat on wallplate.
2

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

Using Thermostat Keys (Fig. 6)

System settings control the thermostat operation:
Em Heat: Emergency heat relay is on continuously.
Thermostat cycles highest stage of heat. Cooling
system is off. Compressor is de-energized.
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.

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 System-Test,
• display outdoor temperature (select models),
• set the system operation,
• set the fan operation.

Fan settings control the system fan:
On: Fan operates continuously.
Auto: Fan operates with equipment.

NOTE: Always press the keys with your fingertip or similar blunt tool. Sharp instruments like a pen or
pencil point can damage the keyboard.

LED Indication
Two LED indicators are located in the upper right of the
thermostat. They indicate when a Check or Fail signal is
sent to the thermostat from the system. See Fig. 8.

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. 7. The fan settings can be set for
each program period individually. The system selection is
for all the program periods.

SET RETURN TIMES
AND SETPOINTS

SET LEAVE TIMES
AND SETPOINTS

SET WAKE TIMES
INCREASE TIME SETTING
AND SETPOINTS
OR SCROLL FORWARD
THROUGH INSTALLER SETUP
AND SYSTEM TEST

INCREASE TEMPERATURE
SETTING OR SCROLL
FORWARD THROUGH
INSTALLER SETUP OPTIONS
DECREASE TEMPERATURE
SETTING OR SCROLL
BACKWARD THROUGH
INSTALLER SETUP OPTIONS

SET CURRENT
DAY AND TIME

DISPLAY INFORMATION
SUCH AS PRESENT
SETTINGS AND OUTDOOR
TEMPERATURE

RETURN TO
NORMAL
OPERATIONS
ENTER
INDEFINITE
OR TIMED
HOLD MODE

Time

Hold Temp

Daylight
Time

Leave

Wake

Heat/Cool
Settings

Day

SET CURRENT OR
PROGRAM DAY
CHANGE BETWEEN
DAYLIGHT SAVINGS
AND STANDARD TIME

Set Program

Set Current
Day/Time

Run
Program

Return

Sleep

System

Fan

SET SLEEP TIMES
AND SETPOINTS

SELECT FAN
OPERATION
SELECT SYSTEM
OPERATION

Copy

DECREASE TIME SETTING OR
SCROLL BACKWARD THROUGH
INSTALLER SETUP AND SYSTEM TEST

COPY ONE PROGRAMMED
DAY TO ANOTHER DAY

CHANGE BETWEEN
HEATING AND COOLING
SETPOINTS
M14624

Fig. 6. T8611G key locations and descriptions.

TWO LED INDICATORS

Time
Run
Program

Set Current
Day/Time

Hold Temp

Day

Daylight
Time

Set Program
Wake

Heat/Cool
Settings

Leave

Return

Sleep

System

Fan

System

Copy

Fan

M10675A

Fig. 8. LEDs location.

M14625

Fig. 7. Thermostat System and Fan key locations.
3

69-1406—1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

Temperature Settings

— 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.

Refer to Table 2 for the default program. 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 number 69-0940, for complete
instructions on changing the program.
Table 2. Default Program Settings.
Period

Time

Heat
Setpoint

Cool
Setpoint

Wait Set Program Set Day/Time Temporary Setting

Wake

6:45 AM

20°C
(68°F)

25°C
(77°F)

Auto

Leave

8:45 AM

4.5°C
(40°F)

37°C
(99°F)

Auto

Return

5:00 PM

20°C
(68°F)

25°C
(77°F)

Auto

Sleep

10:00 PM 4.5°C
(40°F)

37°C
(99°F)

Auto

Em Heat
Off
Cool
Auto
Fan
On

Recovery
Hold for

Fan
Setting

Filter Em Ht Aux Ht Days
Mon Tue Wed Thu Fri Sat Sun Repl Batt Room Outdoor
Heat Cool
Wake Leave Return Sleep DST

Auto
M14559

Fig. 9. Display of all LCD segments.

INSTALLER SETUP
NOTE: For most applications, the thermostat factorysettings will not need to be changed. Review
the factory settings in Table 2 and if no changes
are necessary, go to the Installer System Test
section.

INSTALLER SETUP
NUMBER DISPLAY
(COLUMN 2 OF TABLE 3)

The Installer Setup is used to customize the thermostat
to specific systems. Some of the options include
temperature display, 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 T8611.

FACTORY SETTING OR OTHER
CHOICE DISPLAY (COLUMN 3
OR 5 OF TABLE 3)
M14618

Fig. 10. Display of Installer Setup
number and setting.
IMPORTANT
Only configurable 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 complete, review the settings to confirm that they
match the system.

A combination of key presses is 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. 9
and 10.
— To advance to the next Installer Setup, press the
Time ∆ key.

Table 3. Thermostat Installer Setup Options.

Select
Not Used.
Heating cycle
rate.

Not Used.
System setting
adjustment

69-1406—1

Installer Setup
Number (Press
Time ∆ key to
change)

Display

1 thru 4

—

6 (Not used)

—

8 thru 11

—

Manual
changeover

0 or 2

Other Choices
(Press ▲ or ▼ key to change)

Factory Setting
Description
—

Display
—

Stage 2

1, 6 or 9

—

Description

Actual
Setting

—

1—1 cph
6—6 cph used for last stage
of heat pump systems
9—9 cph used for electric
heat

—

Emergency heat

—

3, 6 or 9
—
0—Auto changeover
2—Fixed auto changeover

—

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
Table 3. Thermostat Installer Setup Options. (Continued)
Installer Setup
Number (Press
Time ∆ key to
change)

Display

Description

Display

Adaptive
Intelligent
Recovery™
control.

Adaptive Intelligent
Recovery™
control is activated
(system starts
early so setpoint is
reached by start of
program period).

Conventional recovery
(system starts recovery at
programmed time).

Degree
temperature
display

Temperature is
displayed in °C

—

Temperature is displayed in
°C

Not Used.

—

Clock format.

17 thru 23

—

Select

Not Used.
Outdoor
temperature
display (models
with OT
terminals).
Not Used.

Other Choices
(Press ▲ or ▼ key to change)

Factory Setting

—

12-hour clock
format.

—

No outdoor
temperature is
displayed.

—

Description

—

O/B terminal
energized for
reversing valve in
cooling.

O/B terminal energized for
reversing valve in heating

Deadband

Heating and
cooling setpoints
can be set no
closer than 3°F
(1.5°C).

4 thru 10

Heating and cooling
setpoints can be set no
closer than the chosen
value:
4—4°F (2°C)
5—5°F (2.5°C)
6—6°F (3°C)
7—7°F (3.5°C)
8—8°F (4°C)
9—9°F (4.5°C)
10—10°F (5°C)

Not Used.

—

31 and 32

—

Minimum off
time for the
compressor.

5 minute minimum 0 thru 4
off time for the
compressor.

Temperature
range stops in
heating.

Highest heating
setpoint setting.

40 thru 89 Temperature range (1°F
increments) of heating
setpoint settings.

Temperature
range stops in
cooling.

Lowest cooling
setpoint setting.

46 thru 99 Temperature range (1°F
increments) of cooling
setpoint settings

Not Used.

—

Outdoor temperature is
displayed. Needs a
C7089B1000 Outdoor
Temperature Sensor to
operate.

25 thru 28

—

24-hour clock format.

O/B terminal
energized in
heating or
cooling.

—

Actual
Setting

—

Minimum number of minutes
(0 thru 5) the compressor
will be off between calls for
the compressor.

—

69-1406—1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
Table 3. Thermostat Installer Setup Options. (Continued)
Installer Setup
Number (Press
Time ∆ key to
change)

Display

Temperature
display
adjustment.

Furnace Air
Filter Timer.

Humidifier Pad
Monitor.

Ultraviolet (UV)
Air Treatment
System Lamp
Monitor.

Select

Other Choices
(Press ▲ or ▼ key to change)

Factory Setting
Description

Description

No difference in
displayed
temperature and
actual room
temperature.

-3 thru 3

1—Display adjusts to 1°F
higher than actual room
temperature.
2—Display adjusts to 2°F
higher than actual room
temperature.
3—Display adjusts to 3°F
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.

Off

1, 2, 3, 4

1 – 10 days
2 – 30 days
3 – 60 days
4 – 120 days
(Times counted when heat,
cool or fan is running.)

Off

1, 2, 3

1 – 90 days
2 – 180 days
3 – 365 days
(Times counted by calendar
days in heat mode.)

Off

1 – 365 days
(Times counted by calendar
days in any mode.)

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.

69-1406—1

Display

Actual
Setting

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

INSTALLER SYSTEM-TEST

Setting Current Day and Time
1.

Press Set Current Day/Time.

Use the Installer System Test to check the thermostat
operation. Refer to Table 4 for a list of the available
system-tests.

NOTE: On initial powerup or after an extended power
loss, 1:00 pm flashes on the display until a key
is pressed.

CAUTION

Equipment Damage Hazard.
Minimum compressor off-time is bypassed
during INstaller System Test.
Avoid cycling compressor quickly.

Set Day/Time

Set Current
Day/Time

Time
Run
Program

Hold Temp

Set Current
Day/Time

Set Program
Wake

Leave

Heat/Cool
Settings

Day

Daylight
Time

Return

Sleep

System

Fan

Mon

Copy

M14619

To start the sytem-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.
11 and 12.

Press Day until the current day is displayed.

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

Table 4. Tests Available In Installer System Test.

Test Number

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.

Set Day/Time

Time
Run
Program

Day

Hold Temp

Set Current
Day/Time

Leave

Return

Heat/Cool
Settings

Day

Daylight
Time

Set Program
Wake

System

Sleep

Fan

Tue

Copy

M14620

Press Time ∆ or Time ∇ until the current time is
displayed.

NOTE: Tapping the Set Current Day/Time changes the
time in one-hour increments.

System Test Description

10-19

60 0 to 60 19

Keyboard keys test.

70-79

Thermostat information including
date code and software versions are
displayed.

.
Time

Wait Set Program Set Day/Time Temporary Setting

Set Day/Time
AM
Time
Set Current
Day/Time

Run
Program

Hold Temp

Daylight
Time

Leave

Heat/Cool
Settings

Day

Recovery
Hold for

Set Program
Wake

Return

Sleep

System

Fan

Tue

Em Heat
Off
Cool
Auto
Fan
On

AM
PM

Filter Em Ht Aux Ht Days
Mon Tue Wed Thu Fri Sat Sun Repl Batt Room Outdoor
Heat Cool
Wake Leave Return Sleep DST

Copy

M14621

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

Auto
M14559

Fig. 11. Display of all LCD segments.
.
Set Day/Time
AM

Daylight
Time

Time
Run
Program

Set Current
Day/Time

Hold Temp

Leave

Heat/Cool
Settings

Day

Daylight
Time

Set Program
Wake

Return

Sleep

System

Fan

Tue
DST

Copy

M14622

Press Run Program.

M14612
System
Heat

Run
Program

Time
Run
Program

Set Current
Day/Time

Fig. 12. Display of test number

Set Program
Wake

Leave

Return

Sleep

System

Fan

Fan
Hold Temp

Heat/Cool
Settings

Day

Daylight
Time

Copy

Tue
Wake

Room
DST

Auto

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

M14623

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

69-1406—1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
Table 5. Installer System Test Options.
Keys to
Press

Test
Number

Description

Heating Equipment System-Test
Time ∆

Enter heating equipment System Test.

▲

Stage-one heat comes on. The system fan is also energized.

▲

Stage-two heat comes on. Stage-one heat and system fan remain on.

▼

Stage-two heat turns off.

▼

Stage-one heat and system fan turn off.

Emergency Heating Equipment System Test
Time ∆

Change from heating to emergency heating equipment System Test.

▲

Emergency heat come on.

▼

Emergency heat turn off.

Cooling Equipment System Test
Time ∆

Change from heating or emergency heating to cooling equipment System Test.

▲

Cool and system fan come on.

▼

Cool and system fan turn off.

Fan Equipment System-Test
Time ∆

Change from cooling to fan equipment System Test.

▲

Fan comes on.

▼

Fan turns off.

Key Operation System-Test
Time ∆

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 will not exit this test. Press Time ∆ or Time ∇ and then the Run
Program key to exit.

69-1406—1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

THERMOSTAT INFORMATION
1.

Press the increase ▲ key again to display the software revision number (Example: 001 = Revision
number 1).

Press the increase ▲ key again to display the
EEPROM identification code (Example: 314 =
EEPROM ID 314).

Press the Run Program key to exit the system test.
The system test times out after four minutes
without any key presses.

Press the Time ∆ key to access the thermostat
information.

M14616

M14613

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).

M14617

M14614

Press the increase ▲ key again to display the software identification code. (Example: 02 = software
ID code 2).

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.

M14615

69-1406—1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

TROUBLESHOOTING GUIDE
Table 6. Troubleshooting Guide.
Symptom
Display will not
come on.

Possible Cause
Thermostat is not being
powered.

Action
• Check for 24 Vac between R and C 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 connections.
— If 24 Vac is present, proceed with troubleshooting

Temperature
Room temperature display has
display is incorrect. been reconfigured.

Enter Installer Setup number 37 and reconfigure the display.

Thermostat is configured for °F
or °C display.

Enter Installer Setup number 14 and reconfigure the display.

Bad thermostat location.

Relocate the thermostat.

Temperature
settings will not
change. (Example:
Cannot set the
heating higher or
the cooling lower.)

The upper or lower temperature Check the temperature setpoints:
limits were reached.
• Heating limits are 40 to 90°F (4.5 to 32°C)
• Cooling limits are 48 to 99°F (7 to 37°C)

Heating will not
come on.

No power to the thermostat.

The setpoint temperature range Check Installer Setup numbers 34 and 35 and reconfigure the
stops were configured.
setpoint stops.
• Check for 24 Vac between R and C 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 connections.
— If 24 Vac is present, proceed with troubleshooting.

Thermostat minimum off time is Wait up to five minutes for the system to respond.
activated.

Cooling will not
come on.

69-1406—1

System selection is not set to
Heat.

Set system selection to Heat.

Heating setpoint is below room
temperature.

Check heating setpoint. Set heating setpoint to desired
temperature.

No power to the thermostat.

• Check for 24 Vac between R and C.
— 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 connections.
— If 24 Vac is present, proceed with troubleshooting.

Thermostat minimum off time is
activated.

• Wait up to five minutes for the system to respond.
• Enter Installer Setup number 33. Reconfigure minimum off
time (if required).

System selection is not set to
Cool.

Set system selection to Cool.

Cool setpoint is above room
temperature.

Check cooling setpoint. Set cooling setpoint to desired
temperature.

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
Table 6. Troubleshooting Guide. (Continued)
Symptom

Possible Cause

Action

System on indicator Heating or cooling equipment is Verify operation of heating or cooling equipment in self-test.
(flame=heat,
not operating.
snowflake=cool) is
displayed, but no
warm or cool air is
coming from the
registers.
Outdoor temperature not displayeda

Option not activated.

Outdoor
Outdoor sensor is connected
temperature
incorrectly.
display is incorrecta Wrong sensor.

Enter Installer Setup number 24 and set to 1. Thermostat must
have OT terminals and a C7089B1000 installed.
Refer to C7089B1000 Installation Instructions and check wiring
between the thermostat and sensor.
Replace sensor with C7089B1000 Sensor.

Select models.

69-1406—1

T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

Automation and Control Solutions
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422

69-1406—1

Honeywell Limited-Honeywell Limitée
35 Dynamic Drive
Scarborough, Ontario
M1V 4Z

G.H. Rev. 12-02

www.honeywell.com/yourhome

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XMP Toolkit                     : Adobe XMP Core 4.0-c316 44.253921, Sun Oct 01 2006 17:14:39
Producer                        : Acrobat Distiller 5.0 (Windows)
Create Date                     : 1999:07:07 12:30:47Z
Modify Date                     : 2007:05:07 15:49:38-05:00
Metadata Date                   : 2007:05:07 15:49:38-05:00
Creator Tool                    : FrameMaker 7.0
Format                          : application/pdf
Creator                         : Honeywell Technical Communications
Title                           : 69-1406 - T8611G Chronotherm® IV Deluxe Programmable Heat Pump Thermostat
Description                     : Installation Instructions
Document ID                     : uuid:f32ddbbd-a79e-4a4d-bd97-8cb8f2228609
Instance ID                     : uuid:2eb9965f-ac7a-4403-94d5-4b0a918a7082
Page Count                      : 12
Subject                         : Installation Instructions
Author                          : Honeywell Technical Communications

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Honeywell Chronotherm Iv T8611G Users Manual 69 1406 Chronotherm® Deluxe Programmable Heat Pump Thermostat

CHRONOTHERM T8611G 69-1406

T8611G to the manual 265a0bf0-297a-44c6-b1d3-459b0db39f7c

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