Honeywell T8002 Installation Instructions Manual

This is a legacy product document
supported by Resideo. It is no
longer manufactured
APPLICATION
The T8002 Thermostat provides single-stage, program-
mable temperature control for 24 Vac heating-cooling
systems with manual changeover from heat to cool. See
Table 1. Heating cycle rate is selectable at 1, 3, 4, 5, 6, 9,
or 12 cph. Cooling cycle rate is fixed at 3 cph. Temper-
ature indication can be set for °F or °C. See Table 1.
The T8002 Thermostat is powered with three AA alkaline
batteries. Setpoints and programming are held
permanently by non-volatile memory.
The T8002 Thermostat includes a thermostat, wallplate,
batteries, and Owner's Guide.
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 it properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of a control.
Model System
T8002 Heat-Cool
® U.S. Registered Trademark
Copyright © 2002 Honeywell •
Programmable Thermostat
Table 1. T8002 Thermostat Description.
Changeover System Selection
Manual Cool-Off-Heat
•All Rights Reserved
INSTALLATION INSTRUCTIONS
INSTALLATION
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.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
CAUTION
Hazardous Voltage.
Can damage heating/cooling system.
Disconnect power at furnace or main breaker/
fuse box.
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 the sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) areas such as an outside wall
behind the thermostat.
Fan Selection
Auto-On
T8002
Powering Method
Batteries
69- 1549