4840 Series Door Closer by LCN
LCN automatic operators are the proven standard in schools and health care facilities for over 20 years. They are easily retrofitted into existing doors and frames, as well as new construction. LCN low energy electrohydraulic and pneumatic automatic operators feature a heavy duty closer with a slow opening function. LCN's electromechanical automatic operators utilizes a motor gearbox and control box to perform the opening and closing function.
The 4840 Series AUTO EQUALIZER™ is LCN's pneumatically powered MULTI-DOOR solution. This low-energy power operator provides easy access for peole with disabilities, or the elderly. Designed primarily for manual opening applications that occasionally require automatic opening.
Features and Benefits:
- Multi-Door Solution.
- Utilizes a 10,000,000 Cycle Heavy Duty Door Closer.
- Quiet, Efficient & Reliable.
- Requires Control Boxes with integral compressor or control box using auxiliary air supply.
- Guard Rails/Safety Mats not required.
- Available in Aluminum (689) finish.
The 4840 Series is UL and cUL228 listed and meets the provisions of ANSI Standards A117.1, A156.19, and the Americans with Disabilities Act.
Specification Data:
- Ideal for multi-door applications since cost per door leaf decrease significantly as the number of door leaves increases.
- Standard, plate mounted 4840 Series closer shipped with EXTRA DUTY arm, metal cover and a wood and machine screw pack.
- Meets ADA requirements (power mode).
- Installation requires use of either DOOR LOOP-459 or TRANSFER HINGE-460 (not included).
- Non-sized cylinders for interior doors to 4'6" and exterior doors to 3'6".
- Non-handed.
Arm Function Option:
EDA (Extra Duty Arm 4840-3077EDA): Standard, non-handed parallel arm features forged solid steel main arm and forearm for potentially abusive installations.
CUSH (Cush-N-Stop Arm 4840-3077CNS): Optional, non-handed parallel arm features forged solid steel main arm and forearm with stop in soffit shoe.
SCUSH (Spring Cush-N-Stop Arm 4840-3077SCNS): Optional, non-handed parallel arm for abusive applications features forged solid steel main arm and forearm with spring loaded stop in soffit shoe.