Instruction d'utilisation Greenheck Fan OFSD-XXX

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Part Number 461337
OFSD-XXX, ODFD-XXX,
OFD-XXX, and OSSFD-XXX Series
11/2 Hour Combination Fire Smoke or Curtain Fire Dampers
Out of Wall or Out of Floor
Vertical or Horizontal Mount
Installation, Operation, and Maintenance Instructions
OFSD-XXX, ODFD-XXX, OFD-XXX, and OSSFD-
XXX series dampers are intended for installation in
accordance with combination fire smoke dampers
requirements established by:
NFPA National Fire Protection Association
NFPA Standards 80, 90A, 92A, 92B, 101, & 1

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Table of Contents Pre-Installation Guidelines ................................................................................................................................ 2 Installation ......................................................................................................................................................2-6 • Clearances Requirements ................................................................................................................. 3 • Duct to

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1. DAMPER IS INSTALLED OUTSIDE OF WALL PLANE Steel stud OFSD-XXX Figure 1 shows two approved installations for combination fire smoke dampers: 1) “Through the grille access” and 2) installation in continuing duct. To provide "through the grille" access to the damper actuator, the damper is located toward the back of the sleeve and the actuator is installed between the damper #10 sheet metal screws and grille. Actuator and damper can be accessed and spaced 6 in. on center and maximum

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4. SECURING THE DAMPER/SLEEVE ASSEMBLY TO WALL OPENINGS. Damper/sleeve assemblies must be installed in wall openings using flanges and sheet metal screws as illustrated and described below. • Flange on front (grille end) of sleeve must be a 5 minimum of 16 gauge (1.5mm) steel and have a ⁄8 in. (16mm) minimum flange leg (refer to Figure 2). Using #10 (19mm) sheet metal screws, screw from inside of sleeve through the rear portion of the studs (as shown in Figure 1). Space screws

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Breakaway Connections Traditional Breakaway Style Transverse Joints Transverse joints illustrated at right have always been approved as breakaway connections. SMACNA testing has also approved the following variations as breakaway connections. • The br eakaway connections shown (Fig. 6) can be applied with maximum of two #10 (19mm) sheet metal screws on each side and on the bottom located in the center of the slip pocket and penetrating both sides of the slip pocket. •

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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, jackshaft bearings and jamb seals, do not use oil-based lubricants or any other lubricants that attract contaminants such as dust. Dampers and their actuator(s) must be maintained, cycled, and tested a minimum in accordance with: • The latest editions of NFPA 80, 90A, 92