Honeywell RLV4300 Owner's Guide
![Honeywell RLV4300 Thermostat manual cover](/images/OmyTSzPDMbpafPVjgXtqPMZi/thumbs/thumb175x175.webp)
To reset the Honeywell RLV4300 thermostat, turn off the power to the thermostat at the circuit breaker, wait for about 30 seconds, and then turn the power back on. This will reset the thermostat to its default settings.
Ensure that the thermostat is set to the correct mode (heating). Check the circuit breaker and ensure the heating system is receiving power. Also, verify that the temperature setting is higher than the current room temperature.
Press the 'Program' button, and use the arrow keys to set the time and temperature for each period. You can set up to four periods per day. Be sure to save your settings by pressing the 'Program' button again.
Check if the thermostat is properly connected to the power supply. If the connections are secure, try resetting the thermostat by turning off the power at the circuit breaker for 30 seconds and then turning it back on.
To lock the keypad, press and hold the 'Program' button for three seconds until the lock icon appears on the display. To unlock, repeat the process until the lock icon disappears.
Refer to the user manual for specific error codes. Common issues include wiring problems or sensor malfunctions. Ensure all connections are secure and reset the thermostat if necessary.
To change the temperature unit, press the 'Program' button until you see the temperature unit setting. Use the arrow keys to switch between Celsius and Fahrenheit, then confirm your selection.
Regularly clean the thermostat with a soft, dry cloth to remove dust. Check for secure wiring connections periodically, especially if the display shows any error messages.
Yes, the Honeywell RLV4300 thermostat is specifically designed for electric baseboard heaters, convectors, and fan-forced heaters. Ensure the load does not exceed the thermostat's rated capacity.
To adjust the temperature calibration, enter the settings menu by holding down the 'Program' button. Navigate to the calibration settings and use the arrow keys to adjust the temperature offset as needed.