ページ1に含まれる内容の要旨 
                    
                        Model OFSd-212
Out Of Wall Combination FIRE SMOKE dAMPERS
APPLICATION
Steel 3V Blades
Model OFSD-212 is an ‘out of the wall’ high performance combina-
UL 555S Leakage Class II
tion fire smoke damper with 3V style blades. OFSD-212 is approved 
1
UL555 1 ⁄2 Hour Fire Resistance Rating
for use in walls, partitions, and floors with fire resistance ratings less 
Horizontal or Vertical Mount
than 3 hours. Removal of wall grille allows access to actuator and 
other components. This model's operational 
                    
                    ページ2に含まれる内容の要旨 
                    
                        Pressure drop data OFSd-212 This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All  3 3 data has been corrected to represent standard air at a density of .075 lb/ft  (1.201 kg/m ).   Actual pressure drop found in any HVAC system is a combination of many factors. This pressure drop information along with an  analysis of other system influences should be used to estimate actual pressure losses for a damper installed in a given HVAC
                    
                    ページ3に含まれる内容の要旨 
                    
                        5D 6D Figure 5.3 AMCA 5.2 Pressure drop OFSd-212 5D 4 (W) (H) = D 3.14 Figure 5.2  Figure 5. 5 * This size is based on multi-section unit. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm)  Pressure Drop  Pressure Drop  Pressure Drop  Pressure Drop   Pressure Drop   Velocity (fpm)  Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm)  (in. wg) (in. wg) (in. wg) (in. wg) (in. wg)
                    
                    ページ4に含まれる内容の要旨 
                    
                        AMCA 5.3 Pressure drop OFSd-212 5D 6D Figure 5.3 5D 4 (W) (H) = D 3.14 Figure 5.2 Figure 5. 5 * This size is based on multi-section unit. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm)  48 in. x 12 in. (1219mm x 305mm)  Pressure Drop  Pressure Drop  Pressure Drop  Pressure Drop   Pressure Drop   Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm)  (in. wg) (in. wg) (in. wg) (in. wg) Velocity (fpm)  (in. wg)
                    
                    ページ5に含まれる内容の要旨 
                    
                        5D 6D 5D 4 (W) (H) D 3.14 AMCA 5.5 Pressure drop OFSd-212 * This size is based on multi-section unit. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm)  Pressure Drop  Pressure Drop  Pressure Drop  Pressure Drop  Pressure Drop   Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm)  (in. wg) (in. wg) (in. wg) (in. wg) (in. wg)  500 0.04  500 0.06 500 0.03 500 0.03 
                    
                    ページ6に含まれる内容の要旨 
                    
                        Application data OFSd-212 Actuator Space Envelopes The drawing below and corresponding table show the minimum dimensions  required for internal actuator mounting on OFSD-212s. The standard mounting  locations provide enough space for the mounting of actuators and controls plus  allowing space for a grille and duct connection (see Sleeve Length below). Factory supplied thermal  blanket around sleeve   Honeywell Actuator Space ML-4XXX series MS4120 series Envelopes MS4XXX series X Grille    (Suppl