Is it a variable speed blower or a single speed blower? For mine the installer did not adjust it from factory default. From the chart below you can see it is blowing at 1276CFM at 0.8static. After I change the switch to off off on,
jeffrey815(Smartiecat)
it is 1942CFM. Made a huge difference.
:
(#13775874@0) Last Updated: 2021-6-10 This post has been archived. It cannot be replied.
Is it new or old? The new furnace with variable speed blower sometimes you need to set the right dip switch to get the maximum airflow. The factory default speed is way below maximum capacity. Sometimes the difference can be 50%.
-jeffrey815(Smartiecat);
2021-6-10(#13775458@0)
About 6,7 years old.
-criss(criss);
2021-6-10(#13775684@0)
Is it a variable speed blower or a single speed blower? For mine the installer did not adjust it from factory default. From the chart below you can see it is blowing at 1276CFM at 0.8static. After I change the switch to off off on,
-jeffrey815(Smartiecat);
2021-6-10{239}(#13775874@0)
it is 1942CFM. Made a huge difference.
:
Thanks, I will check mine.
-criss(criss);
2021-6-10(#13776009@0)