White Rodgers 1F83-51 Operation, Thermostat Base, Operating Features, Troubleshooting

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 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

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

The Thermostat Buttons and Switches

1(Red arrow) Raises temperature setting.

2(Blue arrow) Lowers temperature setting.

3FAN switch (ON, AUTO).

4SYSTEM switch (COOL, OFF, HEAT).

The Display

5HT is displayed when the SYSTEM switch is in the HEAT position. When calling for the first stage of heat, HT1 will display. When calling for the second stage of heat, HT1+2 will display. CL is displayed (non-flashing) when the SYS- TEM switch is in the COOL position. When calling for the first stage of cool, CL1 will display. When calling for the second stage of cool, CL1+2 will display. CL is displayed (flashing) when the compressor is in lockout mode.

6Displays current temperature.

7LOW BATTERY is displayed when the 3 "AA" batteries are low and should be replaced. Nothing else will be displayed.

8Displays current setpoint temperature. This is blank when SYSTEM switch is in the OFF position.

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 STORAGE — You can enter both your heating and cooling setpoints at the same time. There is no need to reset the thermostat at the beginning of each season.

•LOW BATTERY INDICATOR — If the 3 “AA” alkaline batteries are low and should be replaced, the display will be blank except for the word LOW BATTERY. When the batteries are low, pressing any button will cause the display to operate for ten seconds. After ten seconds, the display will be blank except for the word LOW BATTERY. When the duration of a low battery condition exceeds four weeks, the setpoint is altered by 10 degrees to signal that the batteries must be replaced.

OPERATION

1 2

FAN ON AUTO SYSTEM

COOL-OFF-HEAT

3 4

	5
6	HEAT 1+2
	OFF
LOW BATTERY	COOL 1+2

7 5 8

Figure 6. Thermostat display, buttons, and switches

•°F/°C CONVERTIBILITY— When the thermostat is in the temperature display adjustment mode, or 30 seconds after

power up, pressing and at the same time will switch the LCD temperature display between Fahrenheit and Celsius.

•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 to match your old thermostat. This can be accomplished (within a ±4°F range) as follows:

1.Move the SYSTEM switch to OFF position.

2.Press and hold and move the SYSTEM switch to HEAT or COOL. Release .

3.Press or to adjust the displayed temperature to your desired setting. After setting your desired tempera- ture, do not press any buttons for ten seconds. The thermostat will continue operating at the changed tem- perature setting.

4.Pressing the hardware RESET button (see Fig. 2) will return the offset to zero.

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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