Content Container Model 1221VB is a high performance combination fire/smoke damper that provides superior protection and versatility. The vertical blade configuration allows for the actuator to be mounted below the damper and is ideal for applications where bottom access is desired or where there is not enough space for a side mounted actuator. Models 1221VB - 1 ½ Hour • Airfoil Blade • Vertical Blade • Type A 1222VB - 1 ½ Hour • Airfoil Blade • Vertical Blade • Type B 1223VB - 3 Hour • Airfoil Blade • Vertical Blade • Type C Submittals All Submittals Combined Individual Submittals 1221VB• Fire/Smoke Dampers • Type A 1222VB • Type B 1223VB • Fire/Smoke Dampers • Type C - CSR, CO 1223VB • Fire/Smoke Dampers • Type C • Round - CR Options and Accessories MLS-300 • Position Indicator • Fire/Smoke and Smoke Damper • Belimo, Honeywell Actuators Quick-Set Retaining Angles for all Sleeved Fire and Combination Fire/Smoke Dampers DCP1 • Damper Control Panel • Toggle Switch w/ Lights DCP2 • Damper Control Panel • Key Switch w/ Lights DCP3 • Damper Control Panel • Lights Only DCP4 • Damper Control Panel • Test Switch w/ Lights DCP5 • Damper Control Panel • Key Test Switch w/ Lights DSD-LF • Low Flow • Duct Smoke Detector • for Smoke & Fire/Smoke Dampers DSD-LF • System Sensor D4120 Duct Smoke Detector (DSD-LF) DSD-NF • No Flow • Duct Smoke Detector • Smoke & Fire/Smoke Dampers DSD-NF • System Sensor 2151 Duct Smoke Detector (DSD-NF) DTO (ML4) • Dual Temperature Override Sensor • Re-openable Sensor with Indicator DTS • Damper Test Switch • for Smoke & Fire/Smoke Dampers ERL • Electric Resettable Link • For Combination Fire/Smoke Dampers Honeywell • MS4104 [HL1], MS4109 [HM1], MS4604[HL3], MS4609 [HM3], MS8104 [HL2], MS8109 [HM2] 2-Position SPR Fire/Smoke Actuators, 30 & 80 in-lbs Honeywell • MS4120F [412/HH1], MS4620F [462/HH3], MS8120F [812/HH2] 2-Position SPR Fire/Smoke Actuators, 175 in-lbs MLS-300 • Position Indicator • Fire/Smoke and Smoke Damper • Pneumatic Actuators Control Sequence Finish IOM 1210, 1220, 1260, 1270, 1280, 1290 Series • Operation & Maintenance Procedures 1220-VB • Vertical Blade Fire/Smoke Damper • Installation Instructions 3-Sided Retaining Angle • UL/ULC Classified Dampers • 1 1/2 Hour Label • Vertical Mount DSD-LF • Low Flow • Duct Smoke Detector • Smoke & Fire/Smoke Dampers • Installation Instructions DSD-NF • No Flow • Duct Smoke Detector • Smoke & Fire/Smoke Dampers • Installation Instructions DTO Reopenable Control System w/High Limit for Comb. Fire/Smoke Dampers ERL • Electric Resettable Link • Installation Instructions Fire Resistant Cavity Shaft Wall Partitions • Fire & Fire/Smoke Dampers • Installation Instructions Flanged Type Alternate Breakaway Connections • Installation Instructions MLS-300 • For use w/ GGD221/121 (electric) & 331-2961/3060 (pneumatic) actuators • Installation Instructions MLS-300 • For use w/ ML4X02/8X02, ML4115/8115, MS4X09/8X09 Electric Actuators • Installation Instructions PRL • Pneumatic Replaceable Link • Fire/Smoke Dampers • Installation & Operation Instructions QS1, QS2 • 'Quick - Set' Retaining Angles • Fire & Fire/Smoke Dampers Single Side Retaining Angles • Fire & Fire/Smoke Dampers • 1 ½ Hour only • Installation Instructions Sleeve Trimming Instructions Steel & Wood Stud Framing in Drywall Partitions • Fire & Fire/Smoke Dampers • Installation Instructions TDC/TDF Proprietary Flange System Breakaway Connections • Installation Instructions Specifications Performance Data Catalog Literature