Question about Heating & Cooling
We've moved into a new home with a new York system in a 2 zone configuration, 1 downstairs and 1 upstairs, all controlled by a Honeywell controller. About 90% airflow goes to the ducts in the downstairs zone when that unit is activated, and minimal airflow reaches the upstairs. The only time strong airflow pressure comes through the upstairs zone is when the downstairs thermostat shuts off. Due to low airflow upstairs, that zone always stays hot and takes a long time to cool down in summer.
You need to have someone evaluate the ductwork for the home. With all zones calling, there should be an even balance of airflow. And when only one zone is calling, there should not be the tornado effect you describe.
The dampers feeding each zone may be of the wrong size. It also sounds as though you are also having a problem with your bypass damper. This damper is designed to bypass excess air when only one zone is calling. It is operated typically off the airflow alone.
Have it check out. You definitely have a problem. I would recommend getting it looked at by a company other than the installing company to remove any bias judgment or diagnosis.
Posted on Aug 01, 2010
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Posted on Jan 02, 2017
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