Ceiling Radiation Damper Installation Instructions

Ceiling radiation damper application. Ceiling radiation damper and grille neck may be connected. 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.

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Installation Instructions Ceiling Radiation Dampers

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Crd 55 Round Ceiling Radiation Damper Ceiling Radiation Industrial

Connection of ceiling radiation damper grille and steel duct drop may be satisfied in two ways.

Ceiling radiation damper installation instructions. The damper shall be installed as shown on the installation sheet. The damper surface mounted diffuser shall be installed as shown on the installation sheet. A minimum of two con nec tions per side. The ceiling damper shall be attached to a minimum 22 gauge 0 85 steel sleeve duct drop by welding or with rivets or with 10 m5 sheet metal screws or with quick lock or bolted with 1 4 6 20 bolts at 6 152 o c.

To better understand ceiling radiation dampers. These instructions address the different applications of installing the dampers in a ceiling with supports from 1. Equipped with fusible link at no extra charge. Up to 3 hour ceiling radiation damper installation instructions ceiling radiation dampers ii cfd15 february 2013 a.

12 swg hanger wires minimum of 3 wires are to be used to support the round ceiling dampers. These installation instructions apply to ceiling radiation dampers of the round rectangular single and butterfly blade types installed in a ul rated floor ceiling or roof ceiling assembly. Ul rated fire smoke and ceiling radiation dampers. Let s examine the protection provided by each type of damper.

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. 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 cfd2 is a ul555c classified ceiling fire damper. The nominal size of the ceiling radiation 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. These installation instructions apply to ceiling radiation dampers mounted in 3 hour rated ceiling with supports from 1 a ceiling grid system 2 ductwork above or 3 structure above. Each type of damper support system is described with damper being mounted in conjunction with various air devices.