How do i know which way the air flow isPost created: 2013-02-09 Type of Equipment: Furnace Views: 297
This question was created on the page: https://www.furnacecompare.com/furnaces/york/affinity.html.
On 2013-02-10 JB wrote:
This is most likely an upflow model (you can find a owner manual here: http://dl.owneriq.net/0/05ae9a47-992d-4a66-b0e2-f0681174a356.pdf). You can find some good info on what upflow means here: http://www.wisegeek.com/what-is-an-upflow-furnace.htm and here: http://www.ehow.com/info_7818446_downflow-vs-upflow-furnace.html.
You can find a diagram here: http://education.nachi.org/coursemedia/course-65/images/upflow-furnace-1-online-training-ben-gromicko-internachi.jpg and here: http://education.nachi.org/coursemedia/course-65/images/upflow-furnace-2-online-training-ben-gromicko-internachi.jpg.