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INSTALLATION INSTRUCTIONS
69-1409-1
T8600D Chronotherm® IV
Deluxe Programmable Thermostats
APPLICATION
The T8600 Chronotherm® IV Deluxe Programmable
Thermostat provides electronic control of 24 Vac single-
stage heating and cooling systems.
Refer to Table 1 for a general description of the
thermostat. All T8600 thermostats are powered by either
heating or cooling system.
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.
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 1.5m (5 ft) 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.
Table 1. Description of T8600 Thermostats
T8600 System Changeover
System
Selection
Fan
Selection Comments
D Heat-Cool Automatic Heat-Off-Cool-
Auto
On-Auto System and fan
selections are done by
keyboard.
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