Application

Model DFD-M150 is approved for use in walls, floors and partitions with fire resistance ratings less than 3 hours. This model carries a 11/2 hour UL fire damper label. UL 555 classifies dynamic rated fire dampers for use in HVAC systems that are operational in the event of fire.

Model DFD-M150 has also been tested in accordance with BS476 to 4 hours at Warrington Fire, UK, and is approved for fire partitions of 4 hours or less where British Standards are required.

CONSTRUCTION

Galvanized steel (in gauges required by UL listing R-13317)

INSTALLATION

All fire damper installations require the use of sleeves, angles and methods described in Greenheck Fire Damper Installation Instructions #452763, included with every damper shipment. Sleeves can be field fabricated or factory furnished as a complete damper/sleeve assembly. See Factory Sleeve Option below for details.

Model DFD-M150

Dynamic Rated Fire Dampers

11/2 Hour Fire Resistance Rating (UL555)

4 Hour Fire Resistance Rating (BS476)

Model DFD-M150 meets the requirements for fire dampers established by:

National Fire Protection Association

(NFPA Standards 80, 90A & 101)

Underwriters Laboratories Standard 555 (Listing #R-13317)

BOCA National Building Codes

ICBO Uniform Building Codes (UBC Standard 43-7)

SBCCI Standard Building Codes New York City (MEA listing #260-91-M)

California State Fire Marshall (Listing #3225-981:102 for use in walls)

British Standard BS476

Tested to 4 hours at Warrington Fire, UK

“UL CLASSIFIED (see complete marking on product)” “UL CLASSIFIED to Canadian safety standards (see complete marking on product)”

Standard 555 (Listing #R13317)

		Features:
		• Stainless steel closure springs
		• Fusible links (69° C for BS476, 74°C standard
		for UL, 100°C available)
	*O	for UL, 100°C available)
H*		• Can be mounted horizontally or vertically.
H*

94mm

94mm	TYPE A

TYPE B

* These dimensions are furnished approximately 6mm undersize.

FACTORY SLEEVE OPTION

DFD-350 Fire Dampers are available in factory furnished sleeves. Sleeves are galvanized steel and are available in 1.0mm - 1.5mm thicknesses and lengths up to 914mm.

“K” dimension specifies location of damper within the sleeve. Minimum is 102mm, maximum is “L” less 102mm, which allows for mounting angle installation and duct connection at each end of sleeve. If “K” dimension is not specified, it will be provided as one half of “L” dimension (damper centered in sleeve).

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When sealed option is selected, B transitions will need to be field sealed in the area where duct to sleeve connection is made.

Type B with sleeve

Type B corner profile

DFD-M150 specifications

The Greenheck Fan DFD-M150 is a highly efficient and reliable ventilation solution designed for commercial and industrial applications. Known for its robust construction and advanced technology, the DFD-M150 is built to provide optimal air performance while ensuring energy savings and reduced operational costs.

One of the main features of the DFD-M150 is its energy-efficient design. The fan incorporates advanced EC motor technology, which significantly reduces energy consumption compared to traditional fan motors. This innovation not only leads to lower electricity bills but also contributes to a reduced carbon footprint, making it an eco-friendly choice for businesses aiming to meet sustainability goals.

The DFD-M150 is equipped with a variable speed drive, allowing for precise adjustments to airflow based on the specific requirements of the application. This feature enhances comfort and ensures that the indoor environment remains conducive for various operations while optimizing energy usage. The fan's ability to operate at different speeds helps accommodate fluctuating demands, resulting in improved overall efficiency.

Another notable characteristic of the DFD-M150 is its versatile design. The fan can be configured for both supply and exhaust applications, making it ideal for a wide range of uses, from commercial kitchens to manufacturing facilities. Its flexible installation options further enhance its appeal, allowing it to be seamlessly integrated into existing HVAC systems.

Durability is a hallmark of the DFD-M150. It features a robust housing constructed from high-quality materials designed to withstand harsh environmental conditions. Additionally, the fan is engineered for quiet operation, which improves occupant comfort in sensitive environments like offices and residential areas.

Maintenance of the DFD-M150 is straightforward, with easily accessible components designed for fast servicing. This reduces downtime and maintenance costs, boosting the overall value of the investment.

In summary, the Greenheck Fan DFD-M150 stands out for its energy efficiency, versatility, and durability. With advanced technologies such as EC motors and variable speed drives, it caters to modern ventilation needs while promoting sustainability. The DFD-M150 is an excellent choice for any facility looking to optimize air movement and improve indoor air quality.