Honeywell Thermostat Rth221b1000 Wiring Diagram

By | September 26, 2023

Honeywell Thermostat RTH221B1000 Wiring Diagram

The Honeywell RTH221B1000 is a popular thermostat that is used in homes and businesses around the world. It is a programmable thermostat that allows you to control the temperature in your home or office with ease. The RTH221B1000 is easy to install and use, and it comes with a variety of features that make it a great choice for many people. One of the most important things to know about the RTH221B1000 is how to wire it correctly. The wiring diagram for the RTH221B1000 is relatively simple, but it is important to get it right in order for the thermostat to function properly. The following is a step-by-step guide on how to wire the RTH221B1000: 1.

Turn off the power to the thermostat.

This can be done by turning off the breaker that supplies power to the thermostat. 2.

Locate the terminals on the back of the thermostat.

The terminals are labeled "R", "W", "Y", "G", and "C". 3.

Connect the red wire from the thermostat to the R terminal.

This wire is the power wire. 4.

Connect the white wire from the thermostat to the W terminal.

This wire is the heat wire. 5.

Connect the yellow wire from the thermostat to the Y terminal.

This wire is the cool wire. 6.

Connect the green wire from the thermostat to the G terminal.

This wire is the ground wire. 7.

Turn on the power to the thermostat.

The thermostat should now be operational. If you are not comfortable wiring the thermostat yourself, you can always hire a qualified electrician to do it for you.

Here is a diagram of the RTH221B1000 wiring:

[Image of RTH221B1000 wiring diagram]

Additional Information

The RTH221B1000 is a great thermostat for many people, but it is important to note that it does have some limitations. For example, the RTH221B1000 does not support 2-stage heat or 2-stage cool. If you need a thermostat that supports these features, you will need to choose a different model. The RTH221B1000 also does not support WiFi. If you want a thermostat that you can control from your smartphone, you will need to choose a different model. Despite these limitations, the RTH221B1000 is still a great option for many people. It is easy to install and use, and it comes with a variety of features that make it a great choice for homes and businesses around the world.

Conclusion

The Honeywell RTH221B1000 is a popular thermostat that is used in homes and businesses around the world. It is a programmable thermostat that allows you to control the temperature in your home or office with ease. The RTH221B1000 is easy to install and use, and it comes with a variety of features that make it a great choice for many people. If you are looking for a new thermostat for your home or business, the Honeywell RTH221B1000 is a great option to consider.


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