White Rodgers 1F83-71 Operation, Thermostat Base, Operating Features, Troubleshooting

The Display

5 HT is displayed when the SYSTEM button has been pressed to put the thermostat in the HEAT mode. CL is displayed when the SYSTEM button has been pressed to put the thermostat in the COOL mode. CL is displayed (flashing) when the compressor is in lockout mode. AUTO is displayed when the SYSTEM button has been pressed to put the thermostat in the automatic changeover (AUTO) mode. 1+2 indicates the number of stages the thermostat is calling for.

FAN switch (ON, AUTO).

located behind the door on the bottom of the thermostat cover (see fig. 6). Pull the door down to open it.

		OPERATION
Before you begin using your thermostat, you should be familiar
with its features and with the display and the location and
operation of the thermostat buttons. Your thermostat consists of
two parts: the thermostat cover and the base. To remove the	1	2
cover, gently pull it straight out from the base. To replace the
cover, line up the cover with the base and press gently until the
cover snaps onto the base.

THE THERMOSTAT BASE

Other than and , the following buttons and switches are

SYSTEM FAN ON AUTO

COOL-OFF-HEAT-AUTO

The Thermostat Buttons and Switches 1 (Red arrow) Raises temperature setting.

2 (Blue arrow) Lowers temperature setting.

3 SYSTEM button (COOL, OFF, HEAT, AUTO).

6

4

5

HT 1+2

OFF

CL 1+2 LOCK

5 7

3

8

4

BATTERY

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Figure 6. Thermostat display, buttons, and switches

6Displays current temperature.

7LOCK is displayed when keypad lockout has been acti- vated.

8Displays current setpoint temperature (this is blank when SYSTEM button has been pressed to turn the system OFF).

9LO BATTERY is displayed when approximately 70% of battery life has been exhausted.

OPERATING FEATURES

Now that you are familiar with the thermostat buttons and display, read the following information to learn about the many features of the thermostat.

•TEMPERATURE SETPOINT — Press or until the display shows the temperature you want.

•SIMULTANEOUS HEATING/COOLING SETPOINT STORAGE — You can enter both your heating and cooling setpoints at the same time.

•AUTOMATIC CHANGEOVER —If you have a heating/ cooling system, you can set the thermostat to automatically switch from heat to cool as needed to maintain setpoint temperature. To select this mode, press SYSTEM button until AUTO is displayed along with HEAT or COOL.

In AUTO mode, pressing and at the same time will change the displayed setpoint temperature to the setpoint of the other mode (HEAT or COOL). This allows you to change both the HEAT and COOL setpoints, if desired.

•TOTAL KEYPAD LOCKOUT — This security feature al- lows you to lock out the thermostat buttons to prevent

unauthorized tampering. To select this feature, press and SYSTEM button at the same time and hold until LOCK

is displayed. To unlock the thermostat, press and

SYSTEM buttons at the same time until LOCK is no longer displayed.

•°F/°C CONVERTIBILITY — Press and SYSTEM but- tons until the temperature display is in Celsius. To display Fahrenheit, repeat the process.

•TEMPERATURE DISPLAY ADJUSTMENT — Your new thermostat has been accurately set in our factory. However,

if you wish, you may adjust your new thermostat tempera- ture display. This can be accomplished (within a ±4°F range) as follows:

1.Press and hold and SYSTEM buttons at the same time until the actual temperature only is displayed (about 5 seconds).

2.Press or to adjust the displayed temperature to your desired setting. (To reset the temperature display

back to the actual sensed temperature, press and SYSTEM buttons at the same time again.)

3.Press SYSTEM to resume normal thermostat operation.

TROUBLESHOOTING

If your thermostat’s display is frozen or displaying incorrectly, the thermostat may have been affected by static discharge or voltage variations. If this happens, press the RESET button (see fig. 2, page 2 for the location of the button). If pressing the RESET button does not correct the problem, contact a qualified service technician.

For optimum performance, we recommend replacing batteries once a year with fresh “AA” Energizer® alkaline batteries.

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