Product Features

Model DGX

Direct Gas-Fired Make-Up Air Unit

The Greenheck model DGX is a 100% efficient direct gas- fired heating and ventilating unit. Chilled water, DX, and evaporative cooling options are also available for combination heating and cooling requirements.

The DGX is designed for providing make-up air to commercial and industrial facilities. Airflow volumes range from 800 to 48,000 cfm with heating output capacities up to 4,800,000 Btu/hr.

Module 1, Option 2

Module 2, Option 2

Module 4, Option 1

Module 5, Option 2

	DGX shown with optional birdscreen
Direct Gas-	weatherhood, V-bank filter section
Fired Heat	and horizontal fan discharge.

	Vibration Isolators

Durable Construction

Designed for maximum weather resistance, DGX housings are constructed of heavy gauge G90 galvanized steel. Lifting lugs are standard.

Direct Gas-Fired System

•High quality cast aluminum burners with stainless steel mixing plates

•Maxitrol electronic modulation burner control

•Flame safeguard with digital fault indicator capability (over 400,000 Btu/hr)

•25:1 turn down ratio

Control Center

The control center includes the following standard components:

•24 volt control voltage

•Magnetic motor starter with solid state overload protection

•Control transformer

•Disconnect switch

•Distribution terminal strip

Premium grade control components are selected for reliable operation. All electrical components are UL Listed, recognized, or classified, and factory prewired for single point power connection.

The entire fan and motor assembly is mounted on neoprene vibration isolators to minimize noise transmission into the building. Spring vibration isolators are available in lieu of neoprene isolators.

Reliable Fan Performance

Air performance ratings from Greenheck’s accredited test chamber ensure accurate data.

Double width, double inlet forward curved wheels for high efficiency and low sound levels are constructed of heavy

gauge steel. Wheels are balanced to ensure vibration free operation.

Access Panels

Large access panels are provided for easy inspection and maintenance of motors, drives, fan wheels, filters, and heater controls.

Factory Wired and Tested

All units are tested prior to shipment to ensure proper operation of the gas train, electrical components, and airflow controls.

DGX specifications

The Greenheck Fan DGX is a high-performance, energy-efficient exhaust and supply fan designed for a variety of commercial and industrial applications. Known for its versatility and reliability, the DGX series excels in meeting the demanding performance needs of today's ventilation systems.

One of the standout features of the Greenheck DGX is its unique design, which includes a direct-driven fan assembly that minimizes maintenance requirements while maximizing efficiency. The DGX is engineered with backward-inclined blades that enhance airflow while reducing sound levels, making it an excellent choice for environments where noise reduction is critical.

The fan is available in multiple sizes and configurations to suit various installation needs. Whether it’s a rooftop unit or a wall-mounted fan, the DGX can be customized to fit. Its durable construction features a heavy gauge galvanized steel housing, ensuring longevity and resistance to harsh environmental conditions.

In terms of technology, the DGX incorporates advanced motor options, including electronically commutated (EC) motors that offer significant energy savings compared to traditional motor types. These high-efficiency motors not only reduce energy consumption but also provide high starting torque, making the DGX effective in applications requiring quick response and high performance.

Additionally, the Greenheck DGX is equipped with a range of control options, enabling precise airflow management. Options such as variable frequency drives (VFDs) allow users to adjust fan speed according to demand, further enhancing energy efficiency. This adaptability makes the DGX suitable for varying load conditions while maintaining optimal performance.

Another key characteristic of the DGX is its easy installation and maintenance features. Maintenance access points and lightweight construction facilitate quick servicing, reducing downtime and operational costs. Furthermore, the fan’s design promotes easy integration with other HVAC systems, allowing for seamless operation within existing structures.

Overall, the Greenheck Fan DGX combines robust construction, advanced motor technology, and user-friendly features, making it a top choice for professionals seeking reliable and efficient ventilation solutions in commercial and industrial settings. Its ability to balance performance with energy savings marks it as a standout option in the market, suitable for a wide range of applications.