What is an AC damper motor?
A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control.
Do all AC systems have dampers?
Typically in most homes, your HVAC dampers are located in the main supply trunks. Some homes have no dampers at all. Hopefully most homes have a damper in each one of the supply ducts. Your home may have a supply duct go to the right and you might have one go to the left off of your furnace.
How to adjust an A / C damper [ step by step guide ]?
How to Adjust an A/C Damper Step 1. Open all the air conditioning vents or registers in the house so they are wide open. Find the air conditioning… Step 2. Close any balancing dampers that lead to rooms that are sufficiently cooled by the air conditioning. Step 3. Wait a few days and make mental …
Where is the a / C damper located in the House?
A central air conditioning system distributes the cooled air throughout your house via ducts, but how much air each room gets depends on the A/C damper settings. You’re probably familiar with opening and clothing the registers, but A/C dampers are plates that are located inside the HVAC system ducts, and they’re adjustable.
How does an automated damper door work in a home?
Multiple thermostats allow for better control of temperatures within different areas of a home. Based on thermostat signals, damper doors open and close as needed. An automated damper door relies on a motor device to receive signals from the thermostat and open and close damper doors.
How to tell if a HVAC damper is bad?
Determine if your HVAC damper is a manual control damper or an automatic control damper. Manual dampers will have an adjustment handle on the side of the duct work; automatic dampers will have a control motor.
How does a manual AC damper door work?
A manual AC damper door relies on a user-operated lever that opens and closes off a zone or room’s air flow. When the lever spans across the width of a room duct, this blocks off air flow to the room. When the lever runs parallel or in the direction of the duct passage, this allows air to enter the room.
How to diagnose manual and automatic zone damper issues?
Put the damper into an open position and check the registers once again to see if the airflow starts. If the damper is closed and you are feeling low airflow, or none at all, it is most likely a bad damper. For the automatic control damper, turn your HVAC system on.
Which is the best way to adjust a / C damper?
This allows the air to flow through the ducts to its fullest. Then, adjust the lever to a position horizontal to the duct to close it. During summer, it’s best to force the cold air into the upper portion of your home to achieve an even and efficient comfort throughout.
Determine if your HVAC damper is a manual control damper or an automatic control damper. Manual dampers will have an adjustment handle on the side of the duct work; automatic dampers will have a control motor.