LCN 4412HSA Sentronic Heavy Duty Fire/Life Safety Door Closer/Holder with Surface Mount and Powder Coat Finish

LCN 4412HSA Sentronic Heavy Duty Fire/Life Safety Door Closer/Holder with Surface Mount and Powder Coat Finish

Professional Fire/Life Safety Door Control Solution

The LCN 4412HSA Sentronic combines heavy-duty door closing with intelligent hold-open functionality for high-traffic commercial applications. This electrically controlled closer/holder features a built-in scanner that triggers when doors open to 80° or more, providing automatic hold-open to minimize hardware wear while ensuring fire safety compliance. Constructed with heavy-duty cast iron and full-complement bearings, the unit meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards with adjustable spring power sizes 1-6 for doors up to 4'6".

Professional Features & Benefits

• Intelligent Hold-Open Operation: Built-in HSA scanner triggers automatic hold-open at 80° door opening, reducing wear on door hardware in high-traffic applications.
• Heavy-Duty Construction: Cast iron closer body with full-complement bearings provides exceptional durability for demanding commercial environments.
• Fire/Life Safety Compliance: Meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards for integration with fire and life safety systems.
• Adjustable Timer Control: Hold-open period adjustable up to 30 seconds with automatic release when pedestrian traffic clears the doorway.
• All-Weather Performance: All-weather fluid ensures reliable operation across temperature variations and environmental conditions.
• Flexible Spring Power: Adjustable spring power sizes 1-6 accommodate interior doors up to 4'6" with non-sized spring force configuration.
• Surface Mount Design: Double lever arm closer specifically designed for push side mounting with standard metal cover included.
• Manufacturer Warranty: 2-year warranty provides added confidence and protection for commercial installations.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity, and mounting surface suitability for this surface-mounted unit.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door frame and ensure proper clearance for double lever arm operation.
3. Prepare mounting surface by drilling required holes per manufacturer specifications and verify structural adequacy for heavy-duty closer loads.
4. Install mounting hardware and secure the closer body to the frame, then attach the double lever arm assembly to the door per manufacturer torque specifications.
5. Connect electrical wiring for hold-open function according to manufacturer wiring diagrams and configure timer settings for desired hold-open duration up to 30 seconds.
6. Adjust spring power settings (sizes 1-6) for proper door weight and test hold-open scanner operation at 80° door opening angle.
7. Test complete operation cycle including pedestrian detection, hold-open engagement, timer release, and controlled closing. Verify integration with fire safety systems and refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose LCN Quality?

LCN door closer/holder products deliver professional-grade reliability with heavy-duty cast iron construction and full-complement bearing systems designed for demanding commercial applications. The 2-year warranty and ANSI/BHMA A156.15 compliance ensure dependable performance in fire/life safety applications. Engineered for high-traffic environments where intelligent door control and code compliance are essential.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog