Friedrich RT4 Manuale Utente
7
Setting the Room Temperature (Setpoint Temperature)
Step 1: Press the or button; the current temperature setpoint displays.
Step 2: Press the or button until the desired temperature setpoint displays.
The new temperature setting is automatically saved. After 5 seconds, the display returns to showing the current
Step 2: Press the or button until the desired temperature setpoint displays.
The new temperature setting is automatically saved. After 5 seconds, the display returns to showing the current
room temperature.
Setting a New Temperature Differential
The default temperature differential is 1°. When your room temperature varies by 1°F, the thermostat turns on your
system. If you notice your system turning on and off too frequently, increase the temperature differential.
Step 1: Remove the cover and press the Reset button once.
Step 2: For the first 10 seconds of operation, the temperature differential is displayed.
Step 1: Remove the cover and press the Reset button once.
Step 2: For the first 10 seconds of operation, the temperature differential is displayed.
Press the or button to select desired setting.
Changing Fahrenheit to Celsius
The temperature displays in degrees Fahrenheit as a factory set default. Follow these steps to change to degrees
Celsius:
Step 1: Remove the cover.
Step 2: Move the F/C jumper to the desired position, F or C using the center pin as a common.
Step 3: Press the Reset button once and reinstall the cover.
Your LCD readout changes accordingly.
Starting the Thermostat
Step 1: Move the Fan Auto/On switch into the Auto position.
Step 2: Move the Mode switch to Heat or Cool, depending on the season.
Step 2: Move the Mode switch to Heat or Cool, depending on the season.
Operation