Honeywell Home RTH2300B 5-2 Day Programmable Thermostat User Manual

Table of Contents

1. Installation
2. Programming
3. Manual Overrides
4. Troubleshooting
5. Frequently Asked Questions

1. Installation

1. Turn off power to your heating/cooling system at the main fuse/circuit breaker panel.
2. Remove the old thermostat cover and carefully note the wire connections to the terminals.
3. Disconnect the wires and remove the old thermostat base.
4. Mount the new thermostat base to the wall, ensuring it is level.
5. Connect the wires to the appropriate terminals on the new thermostat base, using the labels provided or referencing the photo taken in step 2.
6. Install 2 AA batteries in the thermostat cover.
7. Attach the thermostat cover to the base by aligning the tabs and snapping it into place.
8. Turn the power back on to your heating/cooling system.

2. Programming

Program your thermostat for weekdays (Monday-Friday) and weekends (Saturday-Sunday) with 4 program periods per day: Wake, Leave, Return, and Sleep.

1. Press the "Set" button to enter the programming mode.
2. Press "Set" again to set the current time and day. Use the "+" and "-" buttons to adjust the time and day. Press "Set" to confirm your selection.
3. Press "Set" to move to the Wake time setting. Use the "+" and "-" buttons to set the desired Wake time. Press "Set" to confirm.
4. Continue this process for the Leave, Return, and Sleep time settings for both weekdays and weekends.
5. Press "Run" to exit the programming mode and start the programmed schedule.

3. Manual Overrides

To temporarily override the programmed schedule, use the "+" and "-" buttons to adjust the current temperature setting. The thermostat will maintain this temperature until the next programmed period begins or until you press "Run" to resume the programmed schedule.

4. Troubleshooting

1. If the display is blank or dim, check the batteries and replace them if necessary.
2. If the thermostat is not responding to your inputs or is behaving erratically, reset the thermostat by removing the batteries for 30 seconds and then reinstalling them.
3. If your heating/cooling system is not turning on or off as expected, double-check the wire connections and programming settings.

5. Frequently Asked Questions

Is this thermostat compatible with my heating/cooling system?

The Honeywell Home RTH2300B is compatible with most low voltage heating/cooling systems, including central gas, oil, or electric furnaces, and AC systems. It is not compatible with millivolt systems or heat pumps with auxiliary heat.

How do I change the batteries?

To change the batteries, carefully remove the thermostat cover from the base by prying at the corners, and then replace the 2 AA batteries. Reattach the cover by aligning the tabs and snapping it into place.

Does this thermostat retain its memory in the event of a power outage?

Yes, the Honeywell Home RTH2300B retains its memory in the event of a power outage, thanks to the installed batteries.

Can I use this thermostat without programming it?

No, the Honeywell Home RTH2300B requires programming to function properly. However, you can temporarily override the programmed schedule by adjusting the temperature setting manually.

FAQ:

Q: What type of heating/cooling systems is the Honeywell Home RTH2300B compatible with?
A: The Honeywell Home RTH2300B is compatible with several types of low voltage heating/cooling systems, central gas, oil, or electric furnaces & AC, and millivolt systems.

Q: Does the Honeywell Home RTH2300B have a backlit display?
A: Yes, the Honeywell Home RTH2300B has a backlit display for easy viewing.

Q: How precise is the temperature control of the Honeywell Home RTH2300B?
A: The Honeywell Home RTH2300B has a precise temperature control of +/- 1 degree Fahrenheit.

Q: Can I program separate schedules for weekdays and weekends with the Honeywell Home RTH2300B?
A: Yes, you can program separate schedules for weekdays and weekends with four program periods per day.

Q: How do I install the Honeywell Home RTH2300B?
A: The Honeywell Home RTH2300B is easy to install yourself and is compatible with many heating/cooling systems and heat pumps without auxiliary heat. It has built-in compressor protection and filter reminders.

Q: Does the Honeywell Home RTH2300B retain memory in the event of a power outage?
A: Yes, the Honeywell Home RTH2300B retains memory in the event of a power outage.

Q: What batteries does the Honeywell Home RTH2300B require?
A: The Honeywell Home RTH2300B requires two AA batteries.

Q: Can I use the Honeywell Home RTH2300B without programming it?
A: Yes, you can manually adjust the temperature without programming it.

Q: How long does the override function last on the Honeywell Home RTH2300B?
A: The temporary hold override will override the schedule until the next period of the schedule starts, while the permanent hold override will override the schedule until you press the 'Run' button to resume the schedule.

Q: Is the Honeywell Home RTH2300B a 24-volt thermostat?
A: No, the Honeywell Home RTH2300B is a battery-powered thermostat with internal relays that turn your heat and A/C on and off. The control transformer mounted on your furnace supplies 24 volts to the relays, but it does not power the thermostat.

Customer Reviews:

Q: Why doesn't the Honeywell Home RTH2300B hold the temperature I set it to?
A: Some customers have reported issues with the Honeywell Home RTH2300B not holding their desired temperature. It is recommended to check if the batteries need replacing or to contact customer support for further assistance.

Q: How often do I need to replace the batteries on the Honeywell Home RTH2300B?
A: Some customers have reported that the AAA batteries on the Honeywell Home RTH2300B seem to die every two months. It is recommended to change them regularly or when you notice any strange behavior from the thermostat.

Q: Is the Honeywell Home RTH2300B compatible with most HVAC systems?
A: Yes, the Honeywell Home RTH2300B is compatible with most HVAC systems. However, there are many variables in wiring, so it is important to pay attention during installation, especially if you are not replacing one of the same brand and style.

Q: Why does my Honeywell Home RTH2300B keep forgetting what time and day it is?
A: Some customers have reported issues with their Honeywell Home RTH2300B clock "forgetting" what time and day it is. It is recommended to check if the battery terminals are loose or contact customer support for further assistance.

Q: Is the cover on the Honeywell Home RTH2300B difficult to remove?
A: Some customers have reported that the cover on the Honeywell Home RTH2300B is almost impossible to remove. It is recommended to use a finger well in the base plate at the bottom center of the thermostat and pop off each corner one at a time.