Equipped with fusible link at no extra charge.
Ceiling radiation damper cad detail.
Cad drawings dwg.
The connection of the ceiling radiation damper diffuser neck and steel duct drop see connection notes section on page 3 may be satisfied in three ways.
The ceiling damper may be connected directly to the grille and supported by steel channel see figure 6 detail g.
Opening in ceiling membrane see page 1 may be up to 1 25mm larger than the nominal size of the ceiling radiation damper i e.
Fire and heat protection where hvac components penetrate the ceiling membrane.
A 12 x 12 305mm x 305mm nominal ceiling radiation damper could have a maximum ceiling membrane opening of 13 x 13 330mm x 330mm.
The cfd2 is a ul555c classified ceiling fire damper.
Ul rated fire smoke and ceiling radiation dampers.
Ceiling radiation damper any be connected directly to the air device neck and then the duct drop connected to the damper see detail b figure 6.