Greenheck DFD User Manual

Part # 462100

24 in. O.C. Maximum

I-Studs

J-Track Headers (Slot ends to ﬁt into I-Studs as shown in Detail ‘A’)

J-Track folded as shown in Detail ‘B’. Attach to JTrack header

Detail ‘B’

Detail ‘A’

24 in. O.C.

Maximum

J-Runner

1 1⁄2 in. x 1 1⁄2 in. x 2 in. Min. angle attached with 5⁄8 in. type #12 screws (min.)

Installation Instruction Supplement for

Refer to: ‘Installation Instructions for FD, DFD, SSFD, SSDFD, & KFD Series Curtain Fire Dampers’ (Part #452763) or ‘Installation Instructions for FD and DFD 150X Series Curtain Fire Dampers’ (Part #453946) or ‘Installation Instructions for FSD and SSFSD Series Combination Fire Smoke Dampers’ (Part #461336) for additional details.

Notes

1. Gypsum panels must be screwed 12 in. (305mm) on center

maximum to all stud and runner flanges surrounding opening. (See Figure 1 and Figure 2 for Opening Preparation Details).

2. Fire damper and sleeve assemblies 80 in. W x 50 in. H (2032mm x 1270mm), 50 in. W x 80 in. H (1270mm x 2032mm), or 40 in. W x 100 in. H (1016mm x 2540mm) and smaller only require retaining angles on one side of the partition (See Figure 3 and Figure 4). Retaining angles must be attached to the sleeve and the partition. Larger damper assemblies require retaining angles on both sides of the partition. Retaining angles must be attached to the sleeve.

• Retaining angles must be a minimum of 16 gauge

(1.5mm) steel and have a minimum of 11/2 in. x 11/2 in. (38mm x 38mm) legs. For metal stud partitions only, the single-side mounting angle may be directly attached to the metal stud prior to the installation of the drywall.

• Retaining angles must be attached to the partition and

sleeve using one of the methods shown below.

• tack or spot welds

• #10 sheet metal screws and bolts

• Drywall screws of a length such that the screw

engages the stud/track by a minimum of 1/2 in. (13mm)

• A minimum of two connections per side, top, and

bottom, 12 in. on center maximum for openings of 48 in. W x 36 in. H (1219mm x 914mm) and less, and 6 in. (152mm) on center for openings 80 in. W x 50 in. H (2032mm x 1270mm), 50 in. W x 80 in. H (1270mm x 2032mm), and 40 in. W x 100 in. H (1016mm x 2540mm) or less.

• Retaining angles must overlap the partition a minimum of 1 in. (25mm)

Grille Installations (Dampers up to 36 in. x 36 in.

[914mm x 914mm] maximum)

• Angle legs may be reversed and one leg inserted into the wall opening. Retaining angles used in conjunction with grille installations must be a minimum of 16 gauge steel and have a minimum of 5/8 x 1 in. (16mm x 25mm) legs (See Figure 5 and Figure 6).

• Using #10 sheet metal screws, screw from inside of

sleeve into the studs. Space screws a maximum of 6 in. (152mm) on center and a maximum of 2 in. (51mm) from the corners (minimum of 2 screws per side) (See

Figure 7 and Figure 8).

3. These installation instructions apply to the following wall

design numbers as detailed in the UL Fire Resistance Directory: U438, U469, U497,U499

FD & DFD Series

11⁄2 Hour Curtain Fire Dampers and

FSD Series

11⁄2 Hour Combination Fire Smoke Dampers Vertical Mount

Metal Stud Framing for Fire Dampers In Cavity Shaftwall Partitions

“UL CLASSIFIED (see complete marking on product)” “UL CLASSIFIED to Canadian safety standards (see complete marking on product)”

Standard 555 (Listing #R13317) Standard 555S (Listing #R13447)

Figure #1: Opening Preparation Detail

Figure #2: Optional Opening Preparation

Detail for I-Stud Assembly

Detail ‘A’: J-Track to I-Stud Connection

Fasten J-Trac

in this manner

I-Stud

Cut here and bend down

/8 in. UL Classified Gypsum Wallboard (see UL Rated Wall Design for Additional Details)

J-Runner C-H Stud I-Stud

Damper Sleeve

ngle Fastener

(see Note 2)

1 1⁄2 in. x 1 1⁄2 in. 16 ga. angle minimum

J-Runner C-H Stud I-Stud

Damper Sleeve

Two layers of 5/8 in. UL Classified Gypsum Wallboard (see UL Rated Wall Design fo

Additional Details)

ngle Fastener

1 1⁄2 in. x 1 1⁄2 in. 16 ga. angle minimum

⁄8 in. x 1 in. 16 ga.

angle minimum

/8 in. UL Classified Gypsum Wallboard (see UL Rated Wall Design for Additional Details)

J-Runner C-H Stud I-Stud

Damper Sleeve

Angle Fastener (see Note 2)

Grille (supplied by others)

1 1⁄2 in. x 1 1⁄2 in. 16 ga. angle minimum

J-Runner C-H Stud I-Stud

Damper Sleeve

1 1⁄2 in. x 1 1⁄2 in. 16 ga. angle minimum

⁄8 in. x 1 in. 16 ga.

angle minimum

Two layers of 5⁄8 in. UL Classified Gypsum Wallboard (see UL Rated Wall Design fo

Additional Details)

Angle Fastener (see Note 2)

Grille (supplied by others)

⁄8 in. x 1 in. 16 ga.

angle minimum

/8 in. UL Classified Gypsum Wallboard (see UL Rated Wall Design for Additional Details)

J-Runner C-H Stud I-Stud

Damper Sleeve

Angle Fastener (see Note 2)

Grille (supplied by others)

#10 sheet metal screws spaced 6 in. on center and a maximum of 2 in. from the corners (minimum of 2 screws per side). Screw into studs so as to avoid space conflicts with the grille assembly.

J-Runner C-H Stud I-Stud

Damper Sleeve

⁄8 in. x 1 in. 16 ga.

angle minimum

Two layers of 5⁄8 in. UL

Classified Gypsum Wallboard

(see UL Rated Wall Design

for Additional Details)

Angle Fastener (see Note 2)

Grille (supplied by others)

#10 sheet metal screws spaced 6 in. on center and a maximum of 2 in. from the corners (minimum of 2 screws per side). Screw into studs so as to avoid space conflicts with the grille assembly.

Detail ‘B’: Forming J-Track

Figure #3: 1 Hour Shaftwall Rating

Figure #5: 1 Hour Shaftwall Rating

Figure #4: 2 Hour Shaftwall Rating

Figure #6: 2 Hour Shaftwall Rating

Figure #7: 1 Hour Shaftwall Rating

Figure #8: 2 Hour Shaftwall Rating

462100 Metal Stud in Cavity Shaftwall

Rev. 7 March 2008