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Honeywell T8001F Installation Instructions Manual

Flush mount programmable thermostat
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The T8001F Thermostat provides single-stage,
programmable temperature control for 24 Vac heating-
cooling systems with manual changeover from heat to
cool. The T8024F Thermostat provides multistage
electronic control of single-zone heating and cooling
systems. Heating cycle rate is selectable at 1, 3, 4, 5, 6,
9, or 12 cph. Cooling cycle rate is fixed at 3 cph.
Temperature indication can be set for °F or °C.
The T8001F, T8024F Thermostat is powered directly
from the system transformer. Batteries are not required
because setpoints are held permanently by non-volatile
The T8001F, T8024F model includes a thermostat,
wallplate and owner's guide. See Table 1.
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 it properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of the control.
When Installing this Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition.
2. Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
® U.S. Registered Trademark
Copyright © 2001 Honeywell •
T8001F, T8024F Flush Mount

Programmable Thermostat

Table 1. Thermostat Descriptions.
System Selection
• All Rights Reserved
3. Installer must be a trained, experienced service
4. After installation is complete, check out product
operation as provided in these instructions.
Hazardous Voltage.
Can damage heating/cooling system.
Disconnect power at furnace or main breaker/
fuse box.
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 the sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) areas such as an outside wall
behind the thermostat.
Installing Wallplate in Wall
Level only for appearance. The thermostat func-
tions normally even when not level.
Mount wallplate and the T8001F or T8024F with the wing
anchors provided (see Fig. 2) as follows:
1. Place the wallplate template at the desired location
on the wall.
2. Trace and cutout the opening.
3. Pull the thermostat wire through the wallplate
entrance hole.
4. Fasten the wallplate to the wall using the wing
Fan Selection
Powering Method
69- 1465- 3



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  Summary of Contents for Honeywell T8001F

  • Page 1: Programmable Thermostat

    Installing Wallplate in Wall IMPORTANT Mount wallplate and the T8001F or T8024F with the wing anchors provided (see Fig. 2) as follows: 1. Place the wallplate template at the desired location 2. Trace and cutout the opening.
  • Page 2 T8001F, T8024F FLUSH MOUNT PROGRAMMABLE THERMOSTAT WALL WALLPLATE MOUNTING SCREWS (2) Fig. 2. Mounting wallplate to wall. Wiring IMPORTANT Use an 18-gauge maximum wire for wiring the T8001F Thermostat. 69-1465—3 5 FEET [1.5 METERS] Fig. 1. Typical location of thermostat.
  • Page 3 STRIP 7/16 IN. (11 MM) (HOT) TRANSFORMER M20212 KEEP WIRING IN SHADED AREA Fig. 7. Typical wiring diagram for T8001F on a zone 1 MOUNTING SCREW HOLE M18608A Fig. 8. Typical diagram for T8024F two-stage heat and two-stage cool system with manual changeover.
  • Page 4: Installer Setup

    T8001F, T8024F FLUSH MOUNT PROGRAMMABLE THERMOSTAT Setting Fan Operation (Fuel) Switch (T8001F Only) The fan operation (fuel) switch is preset at the factory in the F position. See Fig. 9. This is the correct setting for most systems. If this system is an electric heat system, set the switch to the E position.
  • Page 5 To change the heat cycle rate, press the until your choice of 1, 3, 4, 5, 6, 9, or 12 is dis- played. See Table 2. T8001F, T8024F FLUSH MOUNT PROGRAMMABLE THERMOSTAT c. Press the configuration default. M20216 d.
  • Page 6: Operation

    To use the preprogrammed time and temperature (see Table 3) press Hold to exit the programming mode. Setting Time and Temperature The T8001F and T8024F are preprogrammed with the time and temperature settings shown in Table 3. For instructions on programming the thermostat, refer to the Owner’s Guide, form no.
  • Page 7 50°F (10°C). Allow compressor to remain off for five minutes before restarting. Refer to manufacturer’s recommendations. T8001F, T8024F FLUSH MOUNT PROGRAMMABLE THERMOSTAT 1. Slide the SYSTEM switch to Cool and the FAN switch to Auto. 2. Press the key to lower the temperature setting several degrees below the room temperature;...
  • Page 8 T8001F, T8024F FLUSH MOUNT PROGRAMMABLE THERMOSTAT Home and Building Control Home and Building Control Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 69-1465—3 G.H. Rev. 9-01 Printed in Mexico...

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