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Фрагмент инструкции
SAFEty CAUtION ! Verify power before wiring actuator. Greenheck is not responsible for any damage to, or failure of the unit caused by incorrect field wiring. SAFEty DANGER ! : to avoid causing death or serious bodily harm to building occupants, follow all instructions carefully. Dampers must close completely to preserve the integrity of the fire smoke separation. Installation - Failure to follow these instructions will void all warranties. These instructions apply to 11/2 hour rated combination fire smoke and 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 and UL 555S. The installation of the damper 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. 1. CLEARANCES REQUIRED BEtWEEN FIRE DAMPER SLEEVES AND WALL/FLOOR OPENINGS Fire damper assemblies expand during periods of intense heat. Therefore, it is essential that openings in walls or floors be larger than the fire damper assembly to allow for this expansion. The wall/floor opening must be a minimum of 7/8 in. larger than the outside diameter of the damper. Refer to Section 4 for additional installation considerations. ........ ................../ ......" ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Fig. 1 2.SLEEVE LENGtH AND WALL/FLOOR tHICKNESS Insert the damper assembly into the prepared opening, to appropriate depth (see Page 3, Fig. 1). Recommended maximum and minimum insertion depth can be exceeded if: 1) the operation of the damper actuator is not impeded and 2) the CL 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, do not insert screws into the damper frame unless used for duct connection within 2 in. of the frame end. The sleeve may extend a maximum of 16 in. beyond the wall or floor on the actuator side of the damper and a maximum of 6 in. on the opposite side. 3.DUCt tO SLEEVE CONNECtIONS Dampers are supplied with sleeves and actuators 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 type of Duct to Sleeve Connection Permitted 10 ga. (0.138 in.) 14 ga. (0.075 in.) 16 ga. (0.060 in.) 24 in. max. dia. Rigid or Breakaway 20 ga. (0.036 in.) 24 in. max. dia. 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. Fig. 2 ................ ..................................................H ........X .................................................. .................................. ....U ................H ..........................Z ........................................................................................ 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 both 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. The outside dimension of the supplied retainer plate is nominal dia. + 4.50”. • 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. • Place the damper and attached retainer plate into the wall/floor opening. • 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 • Verify position, blade orientation, and actuator clearance then tighten the retainer ...
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