Fusible Link (replaceable) Horizontal Mount

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1 Application Model FD-50 is a static rated fire damper approved for use in walls and partitions with fire resistance ratings less than hours. This model carries a /2 hour UL fire damper label. UL 555 classifies static rated fire dampers for use in HVAC systems that are automatically shut down in the event of fire. Ratings UL555S Fire Resistance Rating Fire Rating: /2 hours Model FD-50 Static Rated Fire Dampers /2 hour Fire Resistance Rating Construction Standard Optional Frame Material Galvanized Steel* - Frame Depth 6 in. (94mm) Blade Material Galvanized steel* - Closure Spring Stainless Steel - Fusible Link 65 F (74 C) 22 F or 286 F (00 C) or (4 C) Mounting Vertical Horizontal * in gauges required by UL listing R-7 Options Sealed transitions (sleeve required) and sleeves Security bars POC retaining angles Transitions (B, B2, C, CO, CR, R) - * These dimension are furnished approximately /4 in. (6mm) undersize. Model FD-50 meets the requirements for fire dampers established by: National Fie Protection Association NFPA Standards 80, 90, & 0 International Building Code (IBC) New York City (MEA listing #260-9-M) California State Fire Marshall (CFSM) Listing #225-98:05 for use in walls Underwriters Laboratories Standard 555 (Listing R7) See complete marking on product. UL 555 Classification R7 Stainless Steel Closure Spring Fusible Link (replaceable) K side Horizontal Mount Installation All fire damper installations require the use of sleeves, angle, and methods described in Greenheck Fire Damper Installation Instructions (included with every damper shipment). s can be field fabricated or factory furnished as a complete damper/sleeve Installation instructions available at

2 Factory Option FD-50 FD-50 fire dampers are available in factory furnished sleeves. s are galvanized steel and are available in 0 thru 20 ga. (mm -.5mm) thicknesses and lengths up to 6 in. (94mm). K dimension specifies location of damper within the sleeve. Minimum is 4 in. (02mm), maximum is sleeve length (L) minus 4 in. (02mm). This allows room for mounting angle installation and duct connection at each end of sleeve. If K dimension is not specific, it will be provided as one half of sleeve length L (damper centered in sleeve. Note: If using access doors, the door should be installed on the K side of the damper. Damper K Damper CL Damper Frame Location L Overall Length When sealed option is selected, B transitions will need to be field sealed in the area where duct to sleeve connection is made. Type B corner profile Type B with sleeve

3 FD-50 Type A Dampers larger than maximum single section size are The following chart show minimum and maximum damper sizes. Dimensions are in inches (mm in parentheses). Size Limitations Inches (mm) Single Section Vertical Type A Type B & B2 Minimum Maximum Minimum Maximum 4 x 4 (02 x 02) 48 x 48 (29 x 29) 4 x (02 x 76) 48 x 42 (29 x 067) Vertical* 96 x 48, 74 x 74 or 20 x 40 (248 x 29, 880 x 880 or 048 x 06) 96 x 42, 74 x 69 or 20 x 5 (248 x 067, 880 x 75 or 2048 x 889) Single Section Horizontal Horizontal* 4 x 4 (02 x 02) *Consult factory for number of sections. 48 x 48 (29 x 29) 96 x 48 or 20 x 40 (248 x 29 or 048 x 06) 4 x (02 x 76) 48 x 42 (29 x 067) 96 x 42 or 20 x 5 (248 x 067 or 048 x 889) Maximum Single Section Dimensions 2 Multi-Section Limitations Maximum height is 74 in. (880mm) when width is less than or equal to 74 in. (880mm). (Vertical mullion provided on dampers over 7 in. (940mm) wide and 48 in. (29mm) high. 48 in. (29mm) 48 in. (29mm) Reinforcement Rods 74 in. (880mm) 74 in. (880mm)

4 Dampers larger than maximum single section size are Maximum Single Section Dimensions FD-50 Type B & B2 42 in. (067mm) Type B Type B2 48 in. (29mm) 5 (27) 4 (02) 6 (52) 7 (940) 42 (067) 8 (965) 44 (8) 2 Multi-Section Limitations Maximum height is 69 in. (75mm) when width is less than or equal to 74 in. (880mm). (Vertical mullion provided on dampers over 7 in. (940mm) wide and 4 in. (092mm) high. 5 (27) 7 (78) 6 (52) 8 (20) 7 (78) 9 (229) 9 (99) 45 (4) 40 (06) 46 (68) 4 (04) 47 (94) 8 (20) 0 (254) 42 (067) 48 (29) 9 (229) (279) 4 (092) 49 (245) 0 (254) 2 (05) 44 (8) 49 (245) Reinforcement Rods 69 in. (75mm) (279) (0) 2 (05) 4 (56) (0) 5 (8) 45 (4) 49 (245) 46 (68) 50 (270) 47 (94) 5 (295) 4 (56) 6 (406) 48 (29) 52 (2) 5 (8) 8 (457) 49 (245) 5 (46) 6 (406) 9 (48) 50 (270) 54 (72) 7 (42) 20 (508) 5 (295) 55 (97) 74 in. (880mm) 8 (457) 2 (5) 9 (48) 22 (559) 20 (508) 2 (584) 52 (2) 56 (422) 5 (46) 57 (448) 54 (72) 58 (47) 2 (5) 24 (60) 55 (97) 59 (499) 22 (559) 26 (660) 56 (422) 60 (524) 2 (584) 27 (686) 57 (448) 6 (549) 24 (60) 28 (7) 58 (47) 62 (575) Damper /2 in. Varies /2 in. 25 (65) 29 (77) 26 (660) 0 (762) 59 (499) 6 (600) 60 (524) 64 (626) /4" 27 (686) (787) 28 (7) 2 (8) 29 (77) (88) 6 (549) 65 (65) 62 (575) 66 (676) 6 (600) 67 (702) 0 (762) 4 (864) 64 (626) 68 (727) (787) 6 (94) 65 (65) 70 (778) K Damper CL Damper Frame Location L Overall Length Type B side view K dim. Length Varies Type B2 side view 2 (8) 7 (940) (88) 8 (965) 4 (864) 9 (99) 5 (889) 40 (06) 66 (676) 7 (80) 67 (702) 72 (829) 68 (727) 7 (854) 69 (75) 74 (880) 6 (94) 4 (04) All multiple section dampers with B or B2 transitions, will include a factory installed sleeve. * Dimension in inches (mm). These dimensions are furnished 4 in. (6mm) undersize. (All H dimensions larger than 4 in. (092mm) are two sections high. The bottom section is a Type A and the top section is a Type B & B2.)

5 Dampers larger than maximum single section size are The following chart show minimum and maximum damper sizes. Dimensions are in inches (mm in parentheses). Inches (mm) Single section Vertical Vertical** Single Section Horizontal Horizontal** 4 in. (04mm) Maximum Single Section Dimensions 46 in. (68mm) Multi-Section Limitations Type CR Type CO & C Type R* Minimum Maximum Minimum Maximum Minimum Maximum 4 (04) 68 (727) 4 (04) T ype C T ype CO 4 in. (04mm) x (76 x 76) x (76 x 76) 46 in. (68mm) 46 x 4 (68 x 04) 94 x 4, 72 x 68 or 8 x 4 (288 x 04, 829 x 727 or 2997 x 864) 46 x 4 (68 x 04) 94 x 4 or 8 x 4 (288 x 04 or 2997 x 864) * With 2 in. (5mm) offset. Sizes adjust with 0 offset & in (25mm) offset. ** Consult factory for number of sections. C, CO, CR transitions are positioned from bottom of sleeve. Type CR in. (76mm) min. 4 in. (04mm) Type R in. (76mm) min. 72 in. (829mm) All multiple section dampers with transitions, will include a factory installed sleeve. FD-50 Type CR, CO, C & R 46 (68) 72 (829) 46 (68) Type CR Type CO Type C D* D* or D* or D* or D* 6 (52) 25 (65) 0 (762) 47 (94) 52 (2) 4 (02) 7 (78) 26 (660) (787) 48 (29) 5 (46) 5 (27) 8 (20) 27 (686) 2 (8) 49 (245) 54 (72) 6 (52) 9 (229) 28 (7) (88) 50 (270) 55 (97) 7 (78) 0 (254) 29 (77) 4 (864) 5 (295) 56 (422) 8 (20) (279) 0 (762) 6 (94) 52 (2) 57 (448) 9 (229) 2 (05) (787) 7 (940) 5 (46) 58 (47) 0 (254) (0) 2 (8) 8 (965) 54 (72) 59 (499) (279) 4 (56) (88) 9 (99) 55 (97) 60 (524) 2 (05) 5 (8) 4 (864) 40 (06) 56 (422) 6 (549) (0) 6 (406) 5 (889) 4 (04) 57 (448) 62 (575) 4 (56) 8 (457) 6 (94) 42 (067) 58 (47) 6 (600) 5 (8) 9 (48) 7 (940) 44 (8) 59 (499) 64 (626) 6 (406) 20 (508) 8 (965) 45 (4) 60 (524) 65 (65) 7 (42) 2 (5) 9 (99) 46 (68) 6 (549) 66 (676) 8 (457) 22 (559) 40 (06) 47 (94) 62 (575) 67 (702) 9 (48) 2 (584) 4 (04) 48 (29) 6 (600) 68 (727) 20 (508) 24 (60) 42 (067) 49 (245) 64 (626) 70 (778) 2 (5) 26 (660) 4 (092) 49 (245) 65 (65) 7 (80) 22 (559) 27 (686) 44 (8) 49 (245) 66 (676) 72 (829) 2 (584) 28 (7) 45 (4) 50 (270) 67 (702) 7 (854) 24 (60) 29 (77) 46 (68) 5 (295) 68 (727) 74 (880) * Dimension in inches (mm). These dimensions are furnished 4 in. (6mm) undersize except round and oval dimensions are approximately 8 in. (mm) undersize. (All H dimensions larger than single section height are two sections high. Copyright 207 Greenheck Corporation FD-50 Rev. December 207

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