Rosenberg's new
high-efficiency, high-volume I-impeller fan design features five
backward-curved, hollow profiled, airfoil section aluminum blades,
with an efficiency-optimized circumferential diffuser. Depending on
fan size and operating point, the new impeller increases
efficiencies by up to 11% while reducing noise levels by more than
half.
CHARLOTTE, N.C., April 18,
2024 /PRNewswire-PRWeb/ -- Rosenberg's new high-efficiency, high-volume
I-impeller fan design features five backward-curved, hollow
profiled, airfoil section aluminum blades, with an
efficiency-optimized circumferential diffuser. Depending on fan
size and operating point, the new impeller increases efficiencies
by up to 11% while reducing noise levels by more than half compared
to older impellers.
Noise levels range from a high of just 89
dB to a low of 68 dB while creating up to 12% more airflow than
earlier models.
I-series blades are positioned diagonally and top-flared so that
airflow direction is optimized for the highest efficiency and flow
rates. The new design significantly reduces the turbulent
downstream air produced by traditional backward-curved impellers.
The effect of this reduction is to significantly reduce noise and
increase in-application efficiency. The I-impeller is statically
and dynamically balanced according to DIN ISO 21940. Noise levels
range from a high of just 89 dB to a low of 68 dB while creating up
to 12% more airflow than earlier models.
I-Series impellers are available on Rosenberg Gen3 and Gen3+ EC motors operating
with up to 7.2 kW of power input.
Standard motor features include:
- Integrated inspection LED to visualize motor condition. It is
visible from the outside through the composite material of the
cover of the motor.
- Improved ModBus RTU functionality. The motor not only
measures its current power consumption, but also continuously
records total energy consumption. This makes it easier to evaluate
the operating conditions of the selected fan and simplifies
preventive maintenance.
- Electronic Quick Change Technology (EQC). For replacement or
preventive maintenance, it is possible to change the electronic
head within minutes and without touching other parts of the
fan.
- IT-network (Earthing system) support. IT-network is a
configuration of the power grid often used in hospitals and data
centers for increasing system fault tolerance.
- 280-680 VDC-Supply. The use of DC voltage becomes more and
more common in data centers, due to failure safety and overall
design considerations.
For more information, or to place an order, contact Rosenberg
USA by phone at (704) 893-0883;
fax (704) 882-0755 or e-mail
sales@rosenbergusa.com.
About Rosenberg
The Rosenberg family of
companies is headquartered in Künzelsau, Germany and employs more than 1,400
individuals worldwide. Rosenberg
fans and blowers can be found in HVAC systems, as well as
industrial and portable air conditioning; in air cooling for
variable frequency drives (VFD), wind power generators and power
converters, solar inverters, uninterruptable power supplies (UPS),
transformers, heat sinks, fan coils, telecom racks and other
industrial equipment; in air handling units and fan filter units
(FFU); and in railway, marine, military and avionics equipment.
Rosenberg USA is located just
outside Charlotte in Indian Trail, N.C.
Media Contact
Dominique Caillet, Rosenberg
USA, Inc., (704) 893-0883,
sales@rosenbergusa.com, www.rosenbergusa.com
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SOURCE Rosenberg USA, Inc.