rth6350/rth6450/ret93e/ret95e thermostats?

Press SET CLOCK/DAY/SCHEDULE, then SET SCHEDULE.

Press up or down to set your weekday Wake time (Mon–Fri), then press NEXT.

Press up or down to set the temperature for this time period, then press NEXT.

Set time and temperature for the next time period (Leave). Repeat steps 2 and 3 for each weekday time period.

Press NEXT to set weekend time periods (Sat-Sun), then press DONE to save & exit.

How do I lock the screen on my rth6350/rth6450/ret93e/ret95e?

This thermostat does not support a screen lock feature.

However, many of our WiFi thermostats (such as the T5 and T9), have this feature.

How do I adjust the screen brightness on my rth6350/rth6450/ret93e/ret95e thermostat?

Pressing any button will cause the screen to light up for a period of time and will dim over time if no additional buttons are pressed.

How do I bypass the schedule on the rth6350/rth6450/ret93e/ret95e thermostats?

Press up or down to immediately adjust the temperature. This will temporarily override the temperature setting for the current time period. “Temporary” will appear on the display. The new temperature will be used until the next period begins.

To permanently ignore the schedule, press up or down until the desired temperature is displayed. Then, press the Hold button to maintain the new temperature indefinitely. The word Hold will appear on the screen.

Press the Run button if you wish to cancel either override and resume the schedule. The word Hold will disappear and the thermostat will be set to the temperature programmed for the current period.

How do I access the installer setup (isu) on a rth6350/rth6450/ret93e/ret95e thermostat?

To begin, press and hold the Up arrow and FAN buttons until the display changes.
Press Up or Down to change settings.
Press NEXT to advance to next function.
Press DONE to exit and save settings.
For more information on the ISU, please see pages 5 and 6 in the manual.

Is the rth6350/rth6450/ret93e/ret95e thermostats heat pump compatible?

Yes. All series 6000 will work with a heat pump. Models RTH3650/RTH6340/RET93E/RET95E will also work with a heat pump with backup.

How do I access the installer setup (isu) on a rth6350/rth6450/ret93e/ret95e thermostat?

To begin, press and hold the Up arrow and FAN buttons until the display changes.
Press Up or Down to change settings.
Press NEXT to advance to next function.
Press DONE to exit and save settings.
For more information on the ISU, please see pages 5 and 6 in the manual.

Is the rth6350/rth6450/ret93e/ret95e thermostats heat pump compatible?

Yes. All series 6000 will work with a heat pump. Models RTH3650/RTH6340/RET93E/RET95E will also work with a heat pump with backup.

How do I fix a blank display on my rth6350/rth6450 thermostat?

The RTH6350/RTH6450 is battery powered only, there is no C wire option on the RTH230. Check and replace the batteries. If the unit does not power up, replace it.

How do I program the schedule on a rth6350/rth6450/ret93e/ret95e thermostats?

Press SET CLOCK/DAY/SCHEDULE, then SET SCHEDULE.

Press up or down to set your weekday Wake time (Mon–Fri), then press NEXT.

Press up or down to set the temperature for this time period, then press NEXT.

Set time and temperature for the next time period (Leave). Repeat steps 2 and 3 for each weekday time period.

Press NEXT to set weekend time periods (Sat-Sun), then press DONE to save & exit.

How do I access the installer setup (isu) on a rth6350/rth6450/ret93e/ret95e thermostat?

Instructions:

To begin, press and hold the Up arrow and FAN buttons until the display changes.
Press Up or Down to change settings.
Press NEXT to advance to next function.
Press DONE to exit and save settings.
For more information on the ISU, please see pages 5 and 6 in the manual.

How do I adjust the screen brightness on my rth6350/rth6450/ret93e/ret95e thermostat?

Pressing any button will cause the screen to light up for a period of time and will dim over time if no additional buttons are pressed.

How do I bypass the schedule on the rth6350/rth6450/ret93e/ret95e thermostats?

Press up or down to immediately adjust the temperature. This will temporarily override the temperature setting for the current time period. “Temporary” will appear on the display. The new temperature will be used until the next period begins.

To permanently ignore the schedule, press up or down until the desired temperature is displayed. Then, press the Hold button to maintain the new temperature indefinitely. The word Hold will appear on the screen.

Press the Run button if you wish to cancel either override and resume the schedule. The word Hold will disappear and the thermostat will be set to the temperature programmed for the current period.

How do I lock the screen on my rth6350/rth6450/ret93e/ret95e?

This thermostat does not support a screen lock feature.

However, many of our WiFi thermostats (such as the T5 and T9), have this feature.

Why is my rth6350/rth6450 showing an error message replace battery? What does it mean?

Replace the Battery.

How do I fix a blank display on my rth6350/rth6450 thermostat?

The RTH6350/RTH6450 is battery powered only, there is no C wire option on the RTH230. Check and replace the batteries. If the unit does not power up, replace it.

Downloads

Installation Guide [pdf]: 33-00201EF

User Manual [pdf]: User-Manual-33-00116ES

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