Installation

Greenheck Model ESRMD & ERD fans are thoroughly inspected and test run at the factory, however damage may occur during handling and shipping. Consequently, it is important that the fan be carefully inspected for visible and concealed damage before installation. Report any damaged or missing items to the shipper immediately.

Follow the installation sequence shown below. Attach the plenum and hood to the roof curb using a suitable fastener in each of the prepunched mounting holes. Care must be taken not to bend or distort the plenum and fan components during installation.

Installation Sequence

Hood

1.The roof curb is mounted and secured over the roof opening to the roof structurals.

2. The plenum (factory assembled) is lowered through the curb and

roof opening until its mounting channels rest on the roof curb.

Lifting Lugs are provided. (Fig. 1)

3.The hood is lowered onto the curb/plenum assembly. (Fig. 1)

4.The hood and plenum are secured to the roof curb. (Fig. 2)

Lifting Lugs

Mounting

Channels

Roof

Curb

Plenum

Fig. 1

Fig. 2

Electrical Connections

Before electrical connections are made, the supply voltage, phase and ampere capacity must be checked for compatibility with the fan motor. In addition, the supply wiring must be properly fused and conform to local and national electrical codes.

If fan is to be wired to a control center, which is available through Greenheck, the control center wiring instructions must be followed.

Pre-Starting Checks

Check all fasteners and set screws for tightness. The propeller should rotate freely and not rub on the fan panel. The unit was aligned and test run at the factory prior to shipment, however movement of various components may occur during shipment. Proper propeller rotation should be determined by momentarily energizing the fan in the exhaust mode. If the rotation in the exhaust mode is for supply the motor wiring between the fan and the controls should be changed. For 3 phase units, simply interchange any two of the three electrical supply leads. Single phase units should not rotate the wrong direction, since the fan has been pre-run at the factory.

Guards

Guards are required to protect the fan and nearby personnel. If guards are not ordered with the fan, they must be supplied by the installer. When ordered with the fan, the guard is attached to the bottom of the double venturi panel.

Damper Plenum Linkage Adjustments

Plenum dampers should open to 45o from closed position. Consult factory before adjusting damper linkages.

ERD, ESRMDF, ESRMD specifications

Greenheck Fan Corporation, a leading manufacturer of air movement and control equipment, has consistently been at the forefront of innovation in the HVAC industry. Among its impressive range of products are the ESRMD, ESRMDF, and ERD fans, which are designed to meet diverse air handling requirements in commercial and industrial applications.

The ESRMD (Energy Saving Roof Mounted Direct Drive) fan is engineered for high performance and energy efficiency. Featuring a direct drive design, this fan minimizes energy consumption while maximizing airflow. Its robust construction and advanced aerodynamic design reduce noise levels, making it ideal for applications in schools, hospitals, and office buildings. The ESRMD is equipped with electronically commutated motors (ECM), which offer significant energy savings compared to traditional motors by adjusting their speed according to the system demand. This responsiveness not only enhances comfort but also extends the product's lifespan.

The ESRMDF (Energy Saving Roof Mounted Direct Drive with Filter) variant incorporates a filtration system, making it particularly useful in environments requiring clean air circulation. This fan not only enhances indoor air quality but also supports compliance with stringent air quality standards. The filter housing is designed for easy access, allowing for quick maintenance and replacement. Similar to the ESRMD, the ESRMDF features a direct drive design and ECM technology, ensuring optimal energy efficiency and performance.

On the other hand, the ERD (Energy Recovery Damper) fan stands out for its ability to recover and recycle thermal energy from exhaust air. This innovative technology allows buildings to utilize the energy from expelled air, significantly reducing heating and cooling costs. The ERD incorporates state-of-the-art enthalpy wheels, which transfer moisture and temperature between incoming and outgoing air streams. This process improves the overall energy efficiency of HVAC systems and contributes to a more sustainable building design.

In summary, the Greenheck ESRMD, ESRMDF, and ERD fans represent a commitment to energy efficiency, advanced technology, and reliability in the HVAC market. With their innovative designs and robust features, these fans not only cater to a wide array of applications but also support energy-saving initiatives, making them an excellent choice for environmentally conscious projects.

Greenheck Fan ERD, ESRMDF manual Installation

Models: ERD ESRMDF ESRMD