6. For non-grilled plenums, refer to Figure 7.23 below and attach the plenum brace to the top frame and the rear
panel using 2 sheet-metal screws on each end.
Figure 7.23 Non-grilled plenum plenum-brace attachment
6 ECFans and Plenums
Item
Description
1
Topframe
2
Sheet-metal screws
3
Plenum brace
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