Air Distribution · Plenums
Fan discharge plenum
Plenum box assembly — Mechanical room/roof
ConnectionFan outlet
SupportIndependent structural support
How to install it
- 1
Align with fan
- 2
install flexible connector
- 3
support box
- 4
connect downstream ducts
- 5
avoid abrupt obstructions.
Quality check
- Fan not carrying plenum weight, connector neutral
Stop and verify
Stop if plenum geometry causes severe system effect