OPERATION
GENERAL MAINTENANCE
•
TO ACCESS THE SLIDING RADIAL DAMPER FOR
VOLUME ADJUSTMENT, REMOVE THE STEEL PLUG AT
THE CENTER OF THE BOTTOM PERFORATED PANEL.
•
THE DAMPER CAN BE ADJUSTED USING A FLAT-HEAD
SCREWDRIVER OR 3/8” SOCKET (MINIMUM 8” BLADE
LENGTH REQUIRED).
•
NOTE: RADIAL DAMPER IS NOT USED ON DI-RETURN.
•
REGULARLY CLEAN THE PLENUM BY REMOVING
THE PERFORATED FACE AND WIPING ALL METAL
SURFACES WITH A DAMP CLOTH.
•
THE PERFORATED FACE OF THE PLENUM CAN BE
REMOVED FOR CLEANING OR MAINTENANCE BY
REMOVING THE SCREWS AT EACH CORNER.
REPLACEMENT PARTS
