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Honeywell T8665A Installation

Honeywell chronotherm iv deluxe programmable wireless thermostat installation instructions.

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APPLICATION
The T8665 Chronotherm® IV Wireless Thermostat
provides electronic control of 24 Vac heating and cooling
systems. It must be used with a W8665 Receiver
T8665
System
A
Heat-Cool
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.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of the old thermostat.
INSTALLATION
Accessory Required (Not Included)
Select one of the receiver modules for your application:
— W8665A Receiver Module (RM) for single zone
applications.
— W8665E RF Zone™ Panel for up to three zones.
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.
® U.S. Registered Trademark
Copyright © 2002 Honeywell •
T8665A Chronotherm
Table 1. T8665A Thermostat Description.
Changeover
System Selection
Automatic
Heat-Off-Cool-Auto
• All Rights Reserved
Deluxe Programmable
Wireless Thermostat
Module. Refer to Table 1 for a general description of the
thermostat. The T8665A Thermostats are battery-
powered.
Fan Selection
On-Auto
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.
1. Position and level the wallplate (for appearance
only). The thermostat functions 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 in. holes in the wall (if drywall) as marked. For
firmer material such as plaster, drill two 7/32 in.
holes.
4. Gently tap anchors (provided) into the drilled holes
until flush with the wall.
5. Position the wallplate over the holes.
6. Loosely insert the mounting screws into the holes.
7. Tighten the mounting screws.
INSTALLATION INSTRUCTIONS
Comments
System and fan
selections are entered at
keyboard.
IV
®
69-1535-3
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Summary of Contents

  • Page 1

    ® U.S. Registered Trademark Copyright © 2002 Honeywell • T8665A Chronotherm Deluxe Programmable Wireless Thermostat Module. Refer to Table 1 for a general description of the thermostat. The T8665A Thermostats are battery- powered. Table 1. T8665A Thermostat Description. System Selection Heat-Off-Cool-Auto Location Install the thermostat about 5 ft (1.5m) above the floor in...

  • Page 2

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 5 FEET [1.5 METERS] Fig. 1. Typical thermostat location. WALL ANCHORS (2) Fig. 2. Mounting the wallplate. 69-1535-3 Mounting Thermostat 1. Engage tabs at the top of the thermostat and wall- 2. Press lower edge of case to close and latch.

  • Page 3

    DAY TO ANOTHER DAY Setting up T8665A to Send Signal to W8665A,E Receiver Module The T8665A Thermostat must be set up to send signals to the W8665 Receiver Module. Use the W8665A Receiver for single-zone applications. Use the W8665E RF Zone™ Panel for up to three T8665A Thermostats for multizone applications.

  • Page 4

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 5. Attach the zone number stickers, included with the thermostat, onto the thermostat case on the inside of the thermostat cover. See Fig. 5. Place one label inside each thermostat door. Fig. 5. Zone stickers included with T8665A Thermostat.

  • Page 5

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT INSTALLER SETUP NOTE: For most applications, the thermostat factory- settings do not need to be changed. Review the factory default settings in Table 3 and, if no changes are necessary, go to the Installer Self- Test section.

  • Page 6

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT Installer Setup Number (Press Time key to Select change) Not used Fan operation Not used Heating cycle rate Not used 5 thru 11 System setting adjustment Adaptive Intelligent Recovery™ control Degree temperature display...

  • Page 7

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT Table 3. Thermostat Installer Setup Options. (Continued) Temperature range stops in heating Temperature range stops in cooling Not used Temperature display adjustment Furnace air filter timer (pushbutton System keys) Humidifier pad monitor Ultraviolet air...

  • Page 8

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 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. Time Set Program...

  • Page 9

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT INSTALLER SYSTEM TEST Use the Installer System Test to check the thermostat operation. Refer to Table 4 for a list of the available Installer System Tests. CAUTION Equipment Damage Hazard. Compressor damage can result if compressor is cycled too quickly.

  • Page 10

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT Thermostat Information 1. Press the Time key to access the thermostat infor- mation. 2. Press the increase key to display the produc- tion 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).

  • Page 11

    • Troubleshoot the heating equipment. • Raise heating setpoint above room temperature. • Check if the W8665 is set up to receive signals from this thermostat. — Set up W8665 to receive signals. Wait up to five minutes for the system to respond.

  • Page 12

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT FCCID: CFS8DL5800STAT CANADA: 1748A12111 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

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