Honeywell TH8110U Installation Instructions Manual

APPLICATION
The TH8110U Universal Programmable Thermostats provide electronic control of 24 Vac heating and cooling systems
or 750 mV heating system. See Table 1 for a general description.
Power
Model Method
TH8110U Batteries or
common wire
RECYCLE 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 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.

Selecting 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.
® U.S. Registered Trademark
Copyright © 2004 Honeywell International Inc. •
TH8110U Touch Screen

Programmable Thermostats

Table 1. TH811 Thermostats Description.
Changeover System Selection
Automatic or Heat-Off-Cool-Auto
manual
selectable
• All Rights Reserved
INSTALLATION INSTRUCTIONS
Fan Selection
On-Auto-Circ
NO
NO
Fig. 1. Selecting thermostat location.
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.
Comments
System and Fan
selection vary based on
system type
NO
YES
5 FEET
[1.5 METERS]
M19925
69-1700