The Norton 149A door closer is a hydraulic device used to automatically close doors, commonly found in commercial settings. It utilizes a combination of spring and hydraulic mechanisms to control door closure speed and force. This article details the features, applications, and installation considerations for the Norton 149A door closer, based on available documentation. The device is adjustable for sweep and latch speed, enabling compliance with ADA standards when properly configured.
Understanding the 149A Door Closer
The Norton 149A door closer is a hydraulic automatic closing device. It functions by employing both spring and hydraulic principles to regulate the closing motion of a door. According to documentation, the 149A is fully adjustable, allowing for control over both sweep and latch speeds. This adjustability is crucial for ensuring the closer meets accessibility requirements, specifically ADA compliance, when correctly set.
The 149A is designed for use on commercial doors, specifically wood and hollow metal doors. It is available in aluminum and dark bronze finishes. A range of accessories are available for use with the 149A, including sex nuts, through bolts, top jamb plates, and drop plates.
Recommended Door Sizes and Applications
The Norton 149A door closer is recommended for doors ranging in size from 36 inches to 48 inches in width. Its applications are diverse, encompassing various commercial and institutional settings. Specific applications listed include:
- Hospital Doors
- School and University Doors
- Government Buildings
These applications suggest the 149A is suitable for environments requiring frequent door usage and a controlled closing mechanism.
Installation Procedures
Installation instructions emphasize the use of a separate instruction sheet for the installation sequence and closer adjustments. The documentation details specific steps, including:
- Mounting the closer body onto the door frame using screws (c) or (d).
- Installing the main arm to the bottom pinion shaft, ensuring it is perpendicular to the door. The arm should be secured tightly with an arm screw and washer.
The documentation stresses that these instructions should be followed to avoid potential issues. It also notes that CloserPlus cases should utilize the provided instruction sheet for installation and adjustments. The closing force for series 7500 door closers (related to the 149A) is adjustable from a size 1 to a size 6.
Additional Norton Door Closer Series
The documentation references other Norton door closer series, including the 160 Series, 9540 Series, 6010, 5600, 5700, 6060, and 6300. These series also have associated installation instructions available. Parallel Rigid Arm Door Closers (PR) are also mentioned, with specific instructions available for those models.
Safety Considerations
The documentation warns that improper installation of the door closer can lead to property damage or personal injury. Therefore, adherence to the provided installation instructions is critical. The closer is shipped packed with instructions, which should be retained for future reference.
Related Products and Information
The documentation references nortondoorcontrols.com as a resource for further information. It also lists related search terms, including "norton 6010 installation instructions," "norton 5600 installation instructions," "where to buy norton door closers," "norton 5700 installation," "norton 8301 door closer instructions," and "norton 6060 installation instructions." These search terms suggest a broader range of Norton door closer products and associated support materials.
Conclusion
The Norton 149A door closer is a versatile and adjustable hydraulic device suitable for a variety of commercial door applications. Proper installation, following the provided instructions, is essential for ensuring safe and effective operation. The adjustability of the 149A allows for ADA compliance, making it a suitable choice for accessible building designs. The availability of accessories and related Norton door closer series provides options for diverse installation needs.
Sources
The provided source material is insufficient to produce a 2000-word article. Below is a factual summary based on available data.