2
NOTE: If 2 dashes (-- --) appear, your thermostatdoes not include
the outdoor temperaturefunction or the function is not working
properly.Check with your dealerif you are unsure.
Service filter feature
Your thermostat reminds you when it’s time to change or clean
your filter by displaying the SERVICE FILTER indicator.
1. Press the RESET FILTER button afteryou have changed or
cleanedyour filter to restart the timer.
A08149
Fig. 1 --Battery Change
Batterychange out
If the installation requires the usage o f batteries, the batteries will
require replacement every 12 months.
1. Grasp the fronthousing of the thermostat alongthe left side.
2. Carefully pull the fronthousing away from the back mount-
ing base.
3. Find the two AA batteriesalong the bottom in back of the
fronthousing.
4. Remove the batteriesfrom the back of the front housing.
5. Install two new AA Alk aline batteries following the + / --
polaritymarkings.
6. Carefully align the front housingwith the plastic guides on
theright side of the back mounting base.
7. Carefully swing the left towards the back mou nting base
until it snaps into place.
NOTE: If installation is h ard--wired ,b atteries aren ot required or
will not need replacement.

AUTO CHANGEOVER

Yourthermostat providescomplete, automaticcontrol over heating
and cooling with autochangeover. Auto changeover meansyour
systemwill automatically heat or coolas needed to maintain your
temperatureset points.
Auto changeover makes life easier because you no longer have to
manually switch the thermostat between heating or coo ling
operation.Just set your heating and coolingset points and let the
system do the rest!
NOTE: Ifauto changeover is not necessary in your area of the
country,your installermay disable the AUTO mode feature.

WHATIF...

TheAUXILIARY HEAT indicator is displayed...
The AUX HEATindicatorappears on the heatpump version of the
thermostatonly. It is displayed when your systemis operating on
auxiliary heat.
NOTE: This indicator does not reflect a problem with your
system.
TheSERVICE FILTER indicator is displayed...
The SERVICE FILTER indicator tells you when to clean or replace
your air filter. Press the RESET FILTER button after cleaning or
replacing the filter to turn off the indicator and reset the system.
NOTE: This indicator does not reflect a problem with your
system.
Youhave a system errormessage...
Thetemperature sensorfailure indicatorsends a “----” reading to the
LCD display. This meansyour thermostat’s temperaturesensor is
no longer ableto measure temperatures.You will need to contact
your dealerto repair the problem.
An E2 reading on the LCD display means there is not enough
voltage for the system to operate.Contact your dealer for further
information.
If the outdoor air temperature sensor is absent, the outdoor
temperature reading will be “----”.
The batteries are low...
If the batteries are low, the display will in dicate a low battery signal
on the thermostat. Replace the batteries with two AA alkaline
batteries.
NOTE: If the product is hard--wiredby the installer, the batteries
will never have to be replaced.
COMMON TERMS
Auxiliary Heat
Most heat pump systems require a supplemental heating source,
called auxiliary heat, to maintain your comfort when outdoor
temperatures fall significantly. Your thermostat lets you know
when yourhome is being warmed with supplementalheat.
Service Filter
Your system’s air filter will require regular cleaning to reduce the
dirt and dust in the system and your indoor air. The SERVICE
FILTERindicator letsyou know when it’s time toclean the filter.
Fan
Yoursystem’sfan can run continuously or only as calledfor during
heatingor cooling. Continuous operationhelps with air circulation
and cleaning.Automatic operation providesenergy savings. Press
theFAN button to make your choice.
Mode
Mode refers to the type of operation your system is set up to
perform.Mode settings include: OFF, HEAT, COOL, and AUTO.
Heatpump systems also include EMERGENCYHEAT (EHEAT).
Reset Filter
The reset filter function turns off the S ERVICE FILTER indicator
and restarts the system. Press the RESE T FILTER button after
you’vecleaned and replaced the system’s air filter.
SetPoint
The heating and cooling temperature set points you wish the
system to maintain and have entered into th eth ermostat. The actual
room temperature will automatically be displayed, but you can
check the desired temperature by pressing either the UP o rD OWN
button. While the SET T EMP indicator is lit, press the MODE
button to display the desired tem perature set points for the other
mode.
Temperature Sensor
The temperature sensor measures the current indoor or outdoor
temperatures which are displayed on the thermostat.
Up and Down Buttons
Thesebuttons are used to set your desiredtemperature set points.
This thermostat includes a five--year limited warranty. For d etailed
warranty information, please refer to the All Product Limited
Warranty Card included in your information packet. This
thermostat is also eligible for manufacturer’s extended sy stem
warranties.Ask your dealer for detailson extended warranties for
longer--term protection.
Manufacturerreserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
E2008Bryant Heating & Cooling Systems D7310 W.Morris St. DIndianapolis, IN 46231 Printedin China EditionDate: 03/08
Replaces:NEW
Catalog No. IIT2SN
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