Jump to content

Oversized supply plenum


Recommended Posts

The supply plenum extends at least 6" on either side of the heating unit cabinet to accommodate a higher efficient

Click to Enlarge

39.14 KB a-coil. I don't see how the airflow will move across the entire coil. Is there a limit or ratio between the two?

Link to comment
Share on other sites

Nothing in the codes or manufacturer's installation instructions that I'm aware of. This is something that is left to the contractor's common sense which some contractors do not have. I'd suggest that the restriction to airflow that is represented by the coil itself would be enough to redistribute the air flow adequately. Especially when it becomes slightly dirty. About the most that I could report is that I'd be suspicious as to whether or not the cooling coil is a proper btu/hr match for the blower on the furnace and for the outside condenser unit also.


Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...