Greenheck Fan DFDR-XXX User's Manual
Contents
1. 462721 DFDR XXX FS Rev 4 December 2006 4 P O Box 410 Schofield WI 54476 0410 715 359 6171 greenheck com2. 7 a p ws o Plate Assembly f ee 5 Baw Clamping Screw aes 5 Recommended Preparation of Openings in Wood and Metal Stud Walls e Frame wall openings as shown below see Fig 3 e Double vertical studs are not required for openings 36 in x 36 in 914mm x 914mm or smaller e Gypsum wall board must be fastened 12 in 305mm on center to all stud and runner flanges surrounding opening see Fig 4 e All construction and fasteners must meet the requirements of the appropriate wall design See UL Fire Resistance Directory and or local codes DAMPER FRAME Fig 3 METAL STUD 1 00 MIN O O DO NOT PLACE i RETAINER PLATE IN THIS GROOVE DAMPER FRAME woop STUD 1 00 MIN DO NOT PLACE RETAINER PLATE ii 3 IN THIS GROOVE 6 Round Duct Connections Round duct connections shall be attached with 8 sheet metal screws as follows e Ducts 22 in 559mm dia and smaller shall have three screws e Ducts larger than 22 in 659mm dia and up to including 24 in dia shall have five screws NOTE All breakaway connections described may have duct sealant PA2084T Duct Sealant Adhesive manufactured by Precision or DP1010 Water Base Duct Sealant manufactured by Design Polymetrics applied in accordance with SMACNA recommendations 24 in o c Maximum k 24 in o c gt metal s
3. Do not store at temperatures in excess WARRANTY of 100 F 37 C Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the purchase date Any units or parts which prove to be defective during the warranty period will INSTALLATION SUPPLEMENTS be repaired or replaced at our option Greenheck shall not be liable for damages resulting from misapplication Refer to the appropriate Greenheck installation or misuse of its products Greenheck will not be supplements for special rquirements responsible for any installation or removal costs e Steel Deck Supplement Greenheck will not be responsible for any service work or backcharges without prior written authorization Due to continuing research Greenheck reserves the right to change specifications without notice This manual is the property of the owner and is required for future maintenance Please leave it with the owner when the job is complete Table of Contents Pre Installation Guidelines cccccccecsseseeesessenesseeeneeeeeueusesenaeseesenuseauseeeeeaseesenes 2 Instalator gach ieee cciadtes beset toad cimeaaucnandelernuaubncateicarcsseteteicettevennitatiseueniaaneinetianstuever 2 4 M intenant sisik east a acalde ee da ota Oee nAra ase iaiaeiaeiaa teiaa 4 MOU SIS SIG OWING issiria riea aae aasian haea daane aieeaa 4 Pre Installation Guidelines The basic intent of a proper installation is to secure the fire da
4. Part Number 462721 H areenneck gfe BEDE XXX 20ron ac FDR XXX and SSFDR XXX MODELS 11 2 Hour Round Fire Dampers Vertical and Horizontal Mount Installation Operation and Maintenance Instructions DFDR XXX SSDFDR XXX FDR XXX and SSFDR XXX Model Dampers are intended for installation in accordance with fire damper requirements established by National Fire Protection Association NFPA Standards 80 90A amp 101 BOCA National Building Codes ICBO Uniform Building Codes IBC International Building Codes SBCCI Standard Building Codes New York City MEA listing 260 91 M UL CLASSIFIED see complete marking on product UL CLASSIFIED to Canadian safety standards see complete marking on product UL Standard 555 Classification R1331 7 U us RECEIVING AND HANDLING SAFETY WARNING Upon receiving dampers check for both obvious Improper installation adjustment alteration and hidden damage If damage is found record all service or maintenance can cause property necessary information on the bill of lading and file damage injury or death Read the installation a claim with the final carrier Check to be sure that operating and maintenance instructions thoroughly all parts of the shipment including accessories are before installing or servicing this equipment accounted for Dampers must be kept dry and clean Indoor storage and protection from dirt dust and the weather is highly recommended
5. mper and all duct connections to the damper sleeve shall conform to the latest editions of NFPA 90A Standard for the Installation of Air Conditioning and Ventilating Systems and the SMACNA Fire Smoke and Radiation Damper Installation Guide and UL Classifications R13317 CLEARANCE FOR 1 CLEARANCES REQUIRED BETWEEN FIRE RETAINER PLATE ce ee DAMPER SLEEVES AND WALL FLOOR o a OTON OPENINGS sai EE RER fein SAME SIDE AS BLADE LATCH Fire damper assemblies expand during periods of l H intense heat Therefore it is essential that openings in walls or floors be larger than the fire damper assembly AIRFLOW DUCT CONNECTION to allow for this expansion The wall floor opening oh J AREA must be a minimum of 7 s in 22mm larger than the outside diameter of the damper Refer to Section 4 for additional installation considerations DO NOT PLACE RETAINER PLATE IN THIS GROOVE 6 in max 6 in max TW SLEEVE LENGTH Installation Continued 2 SLEEVE LENGTH AND WALL FLOOR THICKNESS Insert the damper assembly into the prepared opening to appropriate depth see page 2 Fig 1 Recommended maximum and minimum insertion depth can be exceeded as long as the of the damper blade remains within the plane of the wall floor IMPORTANT SAFETY DANGER To avoid causing death or serious bodily harm to building occupants d
6. mper in the opening in such a manner as to prevent distortion and disruption of damper operation This is accomplished by allowing the fire damper in rated separation openings to expand and for the connecting duct to separate in the event of the collapse of the hanging system The following items will aid in completing the damper installation in a timely and effective manner 1 Check the schedules for proper damper locations within the building Visually inspect the damper for damage and verify that the fusible link is in place or has not separated Dampers will be supplied with a temperature responsive fusible link device If fusible link is not present or has separated replace link Never install a fire damper without the proper UL approved fusible link in place 2 Lift or handle damper using the frame Do not lift damper using blades 3 Do not install screws into the main body area of the damper frame as screws may interfere with and prevent damper blade from opening and or closing 4 Damper must be installed into duct or opening free of distortion or other misalignment Damper must not be squeezed or stretched into duct or opening Out of round racked twisted or misaligned installations can cause torque requirements to exceed damper design 5 Damper must be kept clean and protected from dirt dust and other foreign materials prior to and after installation Examples of such foreign materials include but are not limited to 1 Mortar dus
7. o not insert screws into the damper frame unless used for duct connection within 2 in 61mm of the frame end The sleeve may extend a maximum of 6 in 152mm beyond both sides of the wall or floor Recommended standard sleeve lengths for various wall floor thicknesses are Wall Floor Thickness Dimension T Inches mm Sleeve Length Dimension L Inches mm Up to 6 165 13 5 8 346 6 8 165 216 15 5 8 397 8Y 10 216 267 17 5 8 448 3 DUCT TO SLEEVE CONNECTIONS Dampers are supplied with sleeves from the factory and can be installed without the need for additional field installed sleeves Gauge of factory furnished sleeve determines the type of duct to sleeve connections required see table below Any duct connection other than the breakaway connections are considered rigid Sleeve Gauge Duct Dimension mm Maximum Sleeve Connection Inches mm Permitted 10 ga 3 5 14ga 2 ga 14ga 2 4 610 Rigid or Breakaway 16ga 1 5 ga 16ga 1 5 5 Type of Duct to 20 ga 1mm 24 610 Breakaway only Sleeve thickness must not be less than the gauge of the connecting duct UL Standard 555 requires all ducts to terminate at fire damper sleeves 4 SECURING THE DAMPER SLEEVE ASSEMBLY TO WALL AND FLOOR OPENINGS Damper assemblies must be installed in wall floor openings using a single retaining plate on either side of the wall floor or by using a retaining plate on bo
8. t 2 Drywall dust 3 Firesafing materials 4 Wall texture and 5 Paint overspray 6 Damper should be sufficiently covered to prevent overspray if wall texturing or spray painting will be performed within 5 feet of the damper Excessive dirt or foreign material deposits on damper can cause torque requirements to exceed damper design 7 Caulking is not allowed between the damper sleeve and the wall or floor opening annular space However caulking may be applied to the retaining plates and a field applied sealant may be required for the damper sleeve and transitions to meet certain duct leakage standards 8 ACCESS Suitable access such that fusible links can be maintained must be provided for damper inspection and servicing Where it is not possible to achieve sufficient size access it will be necessary to install a removable section of duct Refer to NFPA 90A 9 The Code Authority Having Jurisdiction AHJ must evaluate and provide approval of final installation where variations to these instructions are necessary Installation Failure to follow these instructions will void all warranties These instructions apply to 11 2 hour rated fire dampers mounted blades must be horizontal in 1 masonry block or stud walls and 2 concrete floors or ceilings Specific requirements in these instructions are mandatory Dampers must be installed in accordance with these instructions to meet the requirements of UL 555 The installation of the da
9. th sides of the wall floor The use of a second retaining plate is allowed but is not necessary A single retaining plate is provided with the dampers A second retaining plate can be ordered as an option e The retaining plate s will open up for easy installation when the clamping screw is loosened If necessary remove the clamping screw and nut see Fig 2 IMPORTANT The clamping mechanism should face away from the wall floor Retainer plate s are designed to mount flush to the wall floor and hold the damper in the wall floor opening Wall Floor Opening Nominal Size 7 8 in Min e Place the damper and attached retainer plate into the wall floor opening e If a second retaining plate is being used secure it on the opposite side of the wall floor DO NOT POSITION RETAINER PLATE S IN FRAME GROOVE e Verify position blade orientation and actuator clearance then tighten the retainer plate clamping screws The retainer plate s must overlap the wall floor opening a minimum of 1 inch 25mm Secure the retainer plate s to the wall using appropriate fasteners minimum 8 sheet metal screws at the four corners of each retainer plate when two retainer plates are used and also within in 19mm of the center of each plate when one retainer plate is used Opening 2in Min Fig 2 E PIS cerra Screw o 4 00 in Typ He Fasteners Ka NI
10. tuds 12 in t Maximum k 24 in o c gt Maximum metal studs i i Ceiling Runner peres iem seit wood studs wood studs 5 a Ss Floor Runner DFDR XXX Blade Orientation e Axle 30 Axle Normal 30 Off Horizontal Maximum 30 Off Horizontal Maximum Damper Maintenance 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 for components such as axle bearings do not use oil based lubricants or any other lubricants that attract contaminants such as dust Dampers must be maintained cycled and tested at intervals not less than every six months and in accordance with the latest editions of NFPA 90A amp 92A UL864 and local codes Damper Troubleshooting The following is a possible cause and correction list for common concerns with the dampers Symptoms Possible Cause Corrective Action Frame is out of round causing blades to Adjust frame such that it is round interfere with frame Screws interfere with blade Locate screws andremove screws and remove Contaminants on damper Clean with a non oil based solvent see Damper Maintenance Replace link Damper does not fully open and or fully close Link separated Copyright 2006 Greenheck Fan Corporation A GREENHECK
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