Aprilaire 4655 Humidistat Wiring Diagram

Humidifiers have become essential appliances in modern homes to maintain a suitable level of humidity within the indoor environment for human comfortability, health, and safety. The Aprilaire 4655 humidistat, one of the best-selling humidistats in the market, is designed to regulate the humidity level and ensure the humidifier operates optimally. In this article, we will provide an in-depth understanding of the Aprilaire 4655 Humidistat Wiring Diagram to help you install and wire your humidifier accurately.

What is an Aprilaire 4655 Humidistat?

The Aprilaire 4655 humidistat is a control device that works with an Aprilaire humidifier to regulate the humidity level in your home. It measures the humidity and sends a signal to the Aprilaire humidifier to turn on or off, depending on the set humidity levels. The 4655 humidistat also features a digital display that shows the current humidity level, set point, and a humidifier on/off indicator.

Why Do You Need an Aprilaire 4655 Humidistat?

Indoor air can be dry and uncomfortable, leading to respiratory problems, skin irritation, and damage to wooden furniture, musical instruments, and other household items. The Aprilaire 4655 humidistat ensures your home’s humidity level is at an optimum range, promoting healthy living and prolonging the lifespan of your valuables.

Aprilaire 4655 Humidistat Wiring Diagram

The Aprilaire 4655 humidistat wiring diagram shows how to connect the 4655 humidistat to an Aprilaire humidifier and HVAC system. Before wiring the humidistat, ensure you turn off power to the HVAC system to prevent electrocution and equipment damage. Follow the steps below to wire the Aprilaire 4655 humidistat:

Wire Color Wiring Destination
Red RH on Furnace Control Board
Yellow HUM on Furnace Control Board
Green GH on Humidifier Control Board
White G on Furnace Control Board

The Aprilaire 4655 humidistat wiring diagram may vary depending on your HVAC system and humidifier model. Consult the manufacturer’s manual to confirm the wiring diagram’s accuracy for your specific humidifier and HVAC system.

FAQs

1. Can I connect the Aprilaire 4655 humidistat to different humidifier models?

Yes, you can connect the Aprilaire 4655 humidistat to different humidifier models, as long as the wiring diagram is accurate and compatible with your humidifier model.

2. What is the recommended humidity level for my home?

The recommended humidity level for your home is between 30% and 50%. Anything below 30% can lead to dry air and discomfort, while levels above 50% can promote mold growth and harm electronic devices.

3. Can I install the Aprilaire 4655 humidistat on my own?

Yes, you can install the Aprilaire 4655 humidistat on your own, but it’s recommended to seek professional help to ensure accuracy, safety, and optimum performance.

4. How do I troubleshoot the Aprilaire 4655 humidistat?

If you experience problems with your Aprilaire 4655 humidistat, ensure the wiring diagram is accurate and check the humidifier’s maintenance requirements, such as cleaning and replacing the filter. Consult the manufacturer’s manual for more troubleshooting tips.

5. Can I use the Aprilaire 4655 humidistat without an Aprilaire humidifier?

No, the Aprilaire 4655 humidistat is designed to work with an Aprilaire humidifier to regulate the humidity level in your home. Using it without an Aprilaire humidifier may cause damage and affect performance.

In summary, the Aprilaire 4655 humidistat wiring diagram is essential for connecting and installing your Aprilaire humidistat, ensuring accuracy, safety, and optimum performance. Always follow the manufacturer’s instructions and seek professional help if needed.