Ceiling Fire Damper Installation

A ceiling radiation damper closes automatically to restrict the passage of heat.

Ceiling fire damper installation.

Ceiling openings up to a 24 x 24 610mm x 610mm 576 sq. These installation instructions apply to a 3 hour rated ceiling radiation dampers aka ceiling dampers mounted in a ceiling with supports from 1 a ceiling grid system 2 ductwork above or 3 structure above. Commercial dampers provide low pressure openings with excellent pressure drop performance. Each type of damper support system is described with damper being mounted in conjunction with various air devices.

This allows the consumer more access to the damper in the event that maintenance needs to be performed or the fuse link requires replacing. A 36 x 20 fire damper sleeve will have an opening of. From light operations to heavy duty industrial applications ruskin provides the perfect backdraft damper. 1 8 10 expansion joint per linear foot ii.

Fire damper sleeve clearance within wall floor opening i. Download pdf installation guides for lloyd industries fire dampers smoke dampers ceiling radiation dampers combo smoke and fire dampers and more. Sleeve is not required to be centered but can rest on the bottom of the opening. Minimum clearance shall be.

In maximum are allowable. Among other tests ul 555c includes a fire endurance test that utilizes the same time temperature curve used in ul 263. Maximum size limits of each individual ceiling damper model must be observed. Fire and heat protection where hvac components penetrate the ceiling membrane.

With attention to the following requirements the ceiling grid system provides all required support for installation of lay in style ceiling dampers and the grilles. Operated by a fuse link these dampers come spring loaded and are available with an easy access assembly. The cfd2 is a ul555c classified ceiling fire damper. The industrial grade backdraft dampers offer rugged construction and heavy gage materials to withstand the high velocities and back pressures associated with heavy duty installations.

Listed clearance requirements are 1 8 per linear foot unless stated otherwise. Perimeter angles shall overlap the wall floor by a minimum of 1. As with all joints contractor must seal duct collar connection in field after installation. Foot on height and width of sleeve to a maximum of 1 1 2 e g.

Equipped with fusible link at no extra charge. They are used to protect hvac openings in fire rated horizontal ceiling assemblies. The investigation of ceiling dampers for use in floor ceiling or.