| Amperage: | 1.5 |
|---|---|
| Application: | Single-Stage (Heat/Cool) |
| Stages: | 1 Heat/1 Cool |
| Programmability: | 5-2 Day Programmable |
| User Interface: | Push Button |
| Mount: | Horizontal |
| Options: | Fan Control |
| Power Method: | Battery |
| Changeover: | Manual |
| Temperature Range (F): | 45°F - 90°F |
| Voltage: | Low voltage 24V |
| Wattage: | 1.5 to 45 |
| Wiring: | O W G B Rh Y Rc |
| Color: | White |
| Height: | 3-3/4" |
| Width: | 5-1/8" |
| Depth (Inches): | 1-1/8" |

This indicates that the batteries are low and should be replaced. For best results, replace batteries once a year with 2 “AAA” alkaline batteries. Install the batteries along the top of the base. The batteries must be installed with the positive(+) ends to the right.
"Hold" maintains the current temperature settings then in effect.
The programmed temperature is the target temperature. 6:00 is the start time of that heating period, and 70F is the target temperature. Please refer to the user guide found here on our site : http://s3.pexsupply.com/product_files/White%20Rodgers%20-%201F78-151%20-%20Install%20Instructions.pdf
The system button should have a cool, off and heat position. Switch the system button to heat and adjust the thermostat to your desired temperature.
Please see the following: http://s3.pexsupply.com/manuals/1249544570102/White_Rodgers_1F78-151_Instructions.pdf
Please see the following: http://s3.pexsupply.com/manuals/1249544570102/White_Rodgers_1F78-151_Instructions.pdf
You must pull the cover from the base. Do it gently without forcing or prying to avoid damaging the unit.
STG1 means stage 1 - or - single stage.
The following directions are from the Installation Instructions: 1) Move System Switch to COOL 2) Press PRGM once. “A” (indicating weekday program) will appear in the display. Also displayed are the currently programmed start time for the 1st cooling period and the currently programmed temperature (flashing). 3. Press the up or down buttons to change the displayed temperature to your selected temperature for the 1st cooling program period. 4. Press TIME once (the programmed time will flash). Press the up or down buttons until your selected time appears. The time will change in 15 minute increments. When your selected time is displayed, press TIME again to return to the change temperature mode. 5. Press PRGM once. The currently programmed start time and setpoint temperature for the 2nd cooling program period will appear. 6. Repeat steps 4 and 5 to select the start time and cooling temperature for the 2nd cooling program period. 7. Repeat steps 4 through 6 for the 3rd and 4th cooling program periods. Weekday cooling programs are now complete. 8. Press PRGM once. “SA SU” (indicating weekend program) will appear in the display, along with the start time for the 1st cooling period and the currently programmed temperature. 9. Repeat steps 4 through 8 to complete weekend cooling programming. 10. When you have completed entering your cooling program, press RUN.
Try resetting the thermostat. If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation or the keypad to not respond, you can reset the thermostat by pressing the up and down and TIME buttons at the same time. Keep in mind that this also resets the factory defaults.
You can reset the thermostat by pressing the up and down buttons and the TIME button all at the same time. This will also reset the factory defaults.