Honeywell T8611G- Manual

Honeywell T8611G

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Table of Contents:

  • Page 2 – IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS; WIRING; CAUTION; Disconnect power before wiring.; in a heat pump system.; Mounting Thermostat; Press lower edge of case to close and latch.
  • Page 3 – SETTINGS; System and Fan Settings; System settings control the thermostat operation:; LED Indication
  • Page 4 – Temperature Settings; INSTALLER SETUP; IMPORTANT
  • Page 7 – Setting Current Day and Time; INSTALLER SYSTEM-TEST; Table 4. Tests Available In Installer System Test.; Test Number
  • Page 9 – THERMOSTAT INFORMATION; Outdoor Temperature Sensor
  • Page 10 – TROUBLESHOOTING GUIDE; Symptom
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® U.S. Registered Trademark
Copyright © 2002 Honeywell •

• All Rights Reserved

INSTALLATION INSTRUCTIONS

69-1406-1

T8611G Chronotherm

®

IV

Deluxe Programmable

Heat Pump Thermostats

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.

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 5 ft (1.5m) 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 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.

1.

Position and level the wallplate (for appearance
only). The thermostat will function correctly even
when not level.

2.

Use a pencil to mark the mounting holes. See Fig.
2.

3.

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.

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.

T8611 Changeover

System Selection

Fan Selection

Comments

G

Automatic

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

System and fan selections are done by keyboard.

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Summary

Page 2 - IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS; WIRING; CAUTION; Disconnect power before wiring.; in a heat pump system.; Mounting Thermostat; Press lower edge of case to close and latch.

T8611G CHRONOTHERM ® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS 69-1406—1 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 for typical hookup. A letter code is located near each termi...

Page 3 - SETTINGS; System and Fan Settings; System settings control the thermostat operation:; LED Indication

T8611G CHRONOTHERM ® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS 3 69-1406—1 Using Thermostat Keys (Fig. 6) 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, • conf...

Page 4 - Temperature Settings; INSTALLER SETUP; IMPORTANT

T8611G CHRONOTHERM ® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS 69-1406—1 4 Temperature Settings 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 selec...

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