Emerson 1F92 manual Air Filter Change-Out Indicator, System and Thermostat Diagnostics

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feature. Change to the next program period and press the FAN key until PRG FAN ON is on the display. The fan will continue to run through this period as well as the previous one.

If the thermostat is in a period with continuous fan and you want the fan to cycle, press the FAN key. PRG FAN ON on the display will turn off.

Air Filter

Change-Out Indicator.

This feature allows the thermostat to display CHNG FLTR (change filter) after a set time of fan operation. This is a reminder to change or clean your air filter. The factory set interval for CHNG FLTR to be displayed is 200 hours

of fan operation. This can be set anywhere from 0 to 1950 hours in 25 hour increments. A selection of 00 will cancel this feature.

When CHNG FLTR is displayed, you can clear it by pressing the FILTER key. This resets the timer and starts counting the hours until the next filter change.

The following steps will allow you to change the number of hours for filter change-out.

1.If CHNG FLTR is on the display, press the FILTER key once to reset the timer. If you do not see CHNG FLTR proceed to step 2.

2.Press the FILTER key, The display will show SET FILTER TIME and the number of hours remaining before CHNG FLTR

indicator will display.

3.Press the FILTER key a second time. The display will show SET FILTER TIME and will show the number of hours to filter change.

4.Press TIME FWD or TIME

BACK to change the time to your

requirements.

5.Press PROGRAM RUN to return to the normal operating mode.

NOTE: If unsure what interval to use between filter changes or cleaning, contact the manufacturer of your heating/cooling equipment.

System and Thermostat Diagnostics.

The display will indicate CHECK SYS if the room temperature does not rise within two hours of the call for heat. After two hours the

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Contents Series Easy, Menu-Driven Set-Up Programming Introduction Orientation Thermostat ButtonsDisplay Installation SpecificationsElectrical Data Thermal DataPrecautions Installation Remove OLD ThermostatAttach Base to Wall Configuring Programming Thermostat base and terminalsMULTI-STAGE Terminal Outputs Thermostat Terminals UpperHeat Pump Terminal Outputs Malfunction Light Not Used Thermostat Terminals Lower Configuration Switches Reset Switch E2/P SwitchInstaller Configuration Entering the Configuration MenusMULTI-STAGE/HEAT Pump Mode Heat Pump COMPRES- SOR ConfigurationElectric Heat FAN Configuration SET Cycle HEAT, COOL, AUX AnticipationHeating Cooling Installer Table CommentsHeat Pump 1 Programmable Cool FAN-OFF and FAN-ON Delay Programmable Heat FAN-OFF DelayPump Fossil Fuel KIT Alternative Economizer Feature Compressor LockoutFAN Operation Heating SystemUntil FAN Auto Cooling System MULTI-STAGE/HEAT Pump Auxiliary Operation TestTroubleshooting Reset Button Resetting Thermostat Configuration and ProgrammingConfiguration User Menu Keypad Lockout Menu access from User Menu Programming Programmed Operation Planning Your ProgramEntering Your Program To Set the Clock To Set the DayFAN Day Sample Program Schedule Shows factory programming Day Personal Program Schedule Features Adjustable Temperature DisplaySelectable Energy Management Recovery EMR Fahrenheit or Celsius Tem- perature Display Single Period Fan Control Heat Fast Cool FastTraditional Features Automatic Changeover Factory Preprogrammed Times and TemperaturesActivate RUN PRG by Telephone Compressor Run Time Keypad LockoutCompressor Short-Cycle Protection Programmable Fan ControlAir Filter Change-Out Indicator System and Thermostat DiagnosticsTemporary Program Override Indefinite Program HoldProgrammable Vacation Time/ Temperature Operation Daylight Savings Time ButtonThermostat Startup After Total Power Loss Large Lighted Liquid Crystal Display LCDArm Chair Programming Second Stage Time Delay Features IndexPage Page Part no -6422C
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