DROP-IN DIFFUSER & RETURN
MODELS: DI-PSP
DI-FUSE
DI-RETURN
4. ATTACH SUPPLY DUCT TO PLENUM NECK
USING A STEEL CLAMP OR 16 SWG MINIMUM
STEEL WIRE. THE DUCT CONNECTION MUST
NOT INTERFERE WITH DAMPER OPERATION.
INSTALLATION
1. ATTACH SLIDING RADIAL DAMPER
TO TOP SIDE OF NECK (NOT USED
FOR DI-RETURN).
2. PLACE THE PLENUM IN THE DESIRED LOCATION
OF THE 24” X 24” T-BAR CEILING GRID.
3. USE MINIMUM 12 SWG STEEL WIRE TO
SUPPORT THE CORNERS OF THE DIFFUSER.
MINIMUM OF TWO DIAGONAL CORNERS
MUST BE SUPPORTED BY CEILING JOISTS.
