Honeywell DMULTISTAGE T8524C- User Manual
Honeywell DMULTISTAGE T8524C– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – T8524C,D MULTISTAGE MICROELECTRONIC THERMOSTATS; through the wiring opening.; WIRING; CAUTION; prevent drafts from affecting the thermostat.
- Page 3 – Fig. 3. Typical hookup of T8524 in a multistage; Mounting Thermostat; Engage tabs at the top of the thermostat and; Using Thermostat Keys; SETTINGS; System and Fan Settings
- Page 4 – IMPORTANT; Temperature Settings; INSTALLER SETUP
- Page 6 – INSTALLER SYSTEM TEST
- Page 7 – Thermostat Information
- Page 8 – CHECKOUT
- Page 9 – Symptom
- Page 12 – Home and Building Control
X-XX UL
INSTALLATION INSTRUCTIONS
®U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. • • All Rights Reserved
T8524C,D Multistage
Microelectronic Thermostats
APPLICATION
The T8524C, D Multistage Microelectronic Thermostat provides electronic control of 24 Vac two-stage heating and two-
stage cooling systems. Refer to Table 1 for a general description of the thermostat. All T8524 Thermostats require a
common wire to supply power.
Table 1. Description of T8524 Thermostats.
RECYCLING 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
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.
CAUTION
Disconnect power supply to prevent electrical
shock or equipment damage.
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. wiring box. Position wallplate horizontally
on the wall or on a 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.
T8524
System
Changeover
System
Selection
Fan
Selection
Comments
C
Heat-Cool
Manual
Heat-Off-Cool
On-Auto
System and fan selections are done by
switches.
D
Heat-Cool
Automatic
Heat-Off-Cool-Auto
On-Auto
System and fan selections are done by
keyboard.
69-1055-1
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
69-1055—1 2 T8524C,D MULTISTAGE MICROELECTRONIC THERMOSTATS Fig. 1. Typical location of thermostat. Fig. 2. Mounting the wallplate. 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 holes in the wall (if drywall) as marked. Forfirme...
69-1055-1 3 T8524C,D MULTISTAGE MICROELECTRONIC THERMOSTATS Fig. 3. Typical hookup of T8524 in a multistage heating and cooling system. Fig. 4. Proper wiring technique. Mounting Thermostat 1. Engage tabs at the top of the thermostat and wallplate. See Fig. 5. 2. Press lower edge of case to close and...
69-1055—1 4 T8524C,D MULTISTAGE MICROELECTRONIC THERMOSTATS A combination of key presses are required to use theInstaller Setup feature.— To enter the Installer Setup mode, press and hold theInformation i key with the increase ▲ and decrease ▼ keys until the first number is displayed. All display se...
