Honeywell T8611M Installation Instructions Manual

APPLICATION
The T8611M Deluxe Programmable Heat Pump Thermostat provides electronic control of 24 Vac single-zone two
compressor or two speed heat pump systems with auxiliary heat. The T8611M can be configured to run a single
compressor heat pump system. Refer to Table 1 for a general description of the thermostat. All T8611 thermostats
require a common wire to supply power.
T8611 Changeover
M Automatic
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 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 and on
the product to make sure the product is suitable for
your application.
® U.S. Registered Trademark
Copyright © 2002 Honeywell •
T8611M Deluxe Programmable
Heat Pump Thermostats
Table 1. Description of T8611 Thermostats.
System Selection
Em Heat-Heat-Off-Cool-Auto
• All Rights Reserved
INSTALLATION INSTRUCTIONS
Fan
Selection
On-Auto Down-selectable for single-compressor
systems.
3. Installer must be a trained, experienced service
technician.
4. After completing installation, use these instructions
to check out the product operation.
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.
Comments
69-1415—1