Ceiling Radiation Damper Installation Instructions

For ceiling radiation dampers however since ceiling radiation dampers serve a somewhat different purpose than the other damper types there is often confusion about where a ceiling radiation damper should be used.

Ceiling radiation damper installation instructions.

Ceiling radiation damper application. Up to 3 hour ceiling radiation damper installation instructions ceiling radiation dampers ii cfd15 february 2013 a. The cfd2 is a ul555c classified ceiling fire damper. Models crd 1 crd 1lp crd 2 and crd 60 may be installed as shown in figure 7 model crd 1 crd 1lp illustrated.

Fire and heat protection where hvac components penetrate the ceiling membrane. 12 swg hanger wires minimum of 3 wires are to be used to support the round ceiling dampers. Each type of damper support system is described with damper being mounted in conjunction with various air devices. These instructions address the different applications of installing the dampers in a ceiling with supports from 1.

For example a 12 x 12 305 x 305 ceiling radiation damper could have a maximum ceiling membrane opening of 13 x 13 330 x 330. The damper shall be installed as shown on the installation sheet. To better understand ceiling radiation dampers. Ul rated fire smoke and ceiling radiation dampers.

A minimum of two con nec tions per side. The damper surface mounted diffuser shall be installed as shown on the installation sheet. Ceiling radiation damper and grille neck may be connected. A steel angle should be attached to the bottom of the ceiling radiation damper and span the gap from the ceiling radiation damper to the bottom of the ceiling membrane see detail d figure 7.

Equipped with fusible link at no extra charge. Connection of ceiling radiation damper grille and steel duct drop may be satisfied in two ways. The nominal size of the ceiling radiation damper. Let s examine the protection provided by each type of damper.