Figure A-6 Inlet Vane Performance | Trane Fan specification

Application Considerations

The control static pressure can then be expressed as a percent of peak static pressure and plotted. The system modulation curve is described by the curve on the modulation overlay that passes through the design point when the axis is placed on the control static pressure point.

The minimum inlet vane cfm can easily be determined after the system modulation has been established. It will be one of two things, either a) the point where the system modulation curve intersects the surge line, or

b)40 percent wocfm, whichever is greater. Forty percent wocfm is the minimum point a Q fan with inlet vanes can modulate, due to inherent instability that results when the vanes close to a certain angle.

A plot of part load cfm versus brake horsepower can also be made after the system modulation curve is established. At each intersection of the system modulation curve with a cfm-sp curve for a certain inlet vane opening, a vertical line is traced to the appropriate bhp-cfm curve. At each intersection of a bhp-cfm curve, a horizontal line is traced to the scale of percent brake horsepower.This will lead to a percent wocfm versus percent peak bhp plot.

The design rpm and bhp need to be corrected to account for performance losses due to inlet vanes being in the air stream. A correction of one percent to the rpm and three percent to the bhp is made in order to get to design conditions with the inlet vanes fully open.

Part load fan power consumption with inlet vanes can be determined by entering Figure A-6 at the desired percent wide open cfm. (Wide open cfm is found on the fan curve by following the fan rpm to the right until it intersects the 0” static pressure axis.)

Figure A-6 – Inlet Vane Performance

On Figure A-6, plot a system curve from the control static pressure through the point of operation defined as a calculated percent wide open cfm. Read vertically upward from the 25, 50 and 75 percent intersections to determine the percent bhp at part load.

Intermediate operating points are found by extrapolation. Inlet vanes increase Q fan sound levels. SeeTable A-5.

Fan specifications

Trane is a well-known name in the heating, ventilation, and air conditioning (HVAC) industry, and one of their standout products is the Trane Fan. Designed to provide efficient and effective airflow, the Trane Fan is a versatile solution suited for both residential and commercial applications.

One of the main features of the Trane Fan is its Energy Efficiency. With increasing energy costs, having a fan that operates efficiently is crucial. Trane fans are designed with advanced motor technology that enhances performance while reducing energy consumption. This not only helps lower utility bills but also contributes to a more sustainable environment.

The Variable Speed Technology is another notable characteristic. Trane fans come equipped with variable speed motors that adjust the airflow according to the specific needs of a space. This adaptability means that the fan can run at lower speeds, providing quiet operation while maintaining comfort levels, and ramping up power when needed for more intense cooling or ventilation.

Durability and robustness are core attributes of Trane fans. Constructed from high-quality materials, these fans are built to withstand harsh conditions and continue to function optimally over time. This longevity is essential for commercial settings where reliability is paramount.

Additionally, Trane delivers innovative sound-reduction technologies within their fan designs. Special engineering ensures that these units operate quietly, making them ideal for environments such as offices, schools, and homes where noise can be a distraction.

Another significant aspect is Smart Technology Integration. Trane fans are compatible with various smart home systems, allowing users to control their systems remotely. This feature enhances convenience, enabling homeowners and facility managers to monitor and adjust air quality effortlessly.

In terms of ease of installation, Trane Fans are designed with user-friendly features that facilitate quicker setup and less hassle. Their modular designs allow for flexibility in installation across various applications.

In summary, the Trane Fan stands out due to its energy efficiency, variable speed technology, durability, sound-reduction capabilities, smart technology integration, and ease of installation. These characteristics make Trane fans a reliable choice for enhancing indoor air quality across diverse environments.