Damper Maintenance - Greenheck FD 150X Installation, Operation And Maintenance Instructions

1 1/2 hour curtain fire dampers vertical or horizontal mount

Hide thumbs Also See for FD 150X:

Item

FD150X fire damper with SSC option

Steel stud wall (see UL Fire Resistance Directory for specifc

details)

Steel stud frame around opening in wall

Duct connection (see section 6)

Wallboard (see UL Fire Resistance Directory for specific

details)

Fasteners (see UL Fire Resistance Directory and Section 5)

Damper maintenance

Dampers shall be maintained, cycled, and tested in intervals as stated in the latest editions of NFPA 90A, 92A, and UL

864 unless local codes require more frequent inspections.

Dampers do not typically require maintenance as long as they are kept dry and clean. If cleaning is necessary, use

mild detergents or solvents. If lubrication is desired, do not use oil-based lubricants or any other lubricants that attract

contaminant's such as dust.

Damper trouble Shooting

The following is a cause and correction list for common concerns with the dampers.

Symptom

Damper does not fully open and/or fully close

Link separated

Description

Frame is 'racked' causing blades to bind on jamb

Screws in damper linkage

Contaminant's on damper

Heat

Possible Cause

Corrective Action

Adjust frame such that it is square and plumb

Locate screws and remove

Clean with a non-oil based solvent

(see Damper Maintenance)

Replace link

453946 FD/DFD 150X series R12 December 2008

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Dfd 150x