Product Introduction
The airflow organization of EC backward curved motorized impellers is carefully engineered to maximize efficiency.
The backward curved blade design ensures that airflow follows an optimized path inside the impeller, reducing vortex losses and improving static pressure efficiency. This makes the fan particularly suitable for ventilation systems that must overcome duct resistance.
The outlet airflow is uniform and stable, preventing strong airflow impact that could affect equipment or personnel.
Air distribution is also optimized for large-area ventilation, enabling consistent airflow coverage in environments such as industrial workshops, large buildings, and public venues.
Additionally, the inlet structure is optimized to reduce intake resistance, further improving overall fan performance.
EC backward curved motorized impeller technical parameters:
|
Model No. |
Rated |
Operation Voltage |
Frequency |
Rated |
Rated Power |
Rated |
Air Flow |
Air |
Noise |
|
VAC |
VAC |
Hz |
A |
W |
RPM |
m3/h |
Pa |
dBA |
|
|
EN-B310-H101-E115-B01 |
115 |
90~135 |
50/60 |
2.80 |
178 |
1780 |
2670 |
500 |
66 |
|
EN-B310-H101-E230-B01 |
230 |
184~274 |
50/60 |
1.40 |
178 |
1780 |
2670 |
500 |
66 |
Outline Drawing：
Performance Curve
Connection
|
DC Wire |
AC Wire |
||
|
Color |
Function |
Color |
Function |
|
Red |
+10VDC |
Brown |
L |
|
Blue |
GND |
Blue |
N |
|
Yellow |
0~10VDC/PWM |
Green/Yellow |
PE |
|
White |
FG |
||
For electronic equipment cooling, specialized ECNITY EC backward curved motorized impeller models are available to provide efficient thermal management.
These fans feature compact dimensions, rapid heat dissipation, and low noise operation, making them suitable for cooling electrical cabinets, servers, inverters, and other electronic systems.
The miniaturized impeller design allows the fan to be easily integrated into electronic equipment, quickly removing heat generated during operation and preventing component failure caused by overheating.
Despite continuous operation, the fan consumes very little energy and operates quietly, ensuring that sensitive electronic systems are not disturbed.
With protection levels up to IP54, the fan effectively prevents dust and moisture from entering sensitive equipment, ensuring safe operation in electronics manufacturing and telecommunications environments.
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FAQ
1. How do EC fans improve system energy efficiency?
EC fans adjust power consumption according to actual airflow demand. They avoid energy loss associated with fixed-speed operation. High efficiency at partial load significantly reduces overall system energy use. This contributes to lower operating costs.
2. Are EC fans suitable for retrofit projects?
EC fans are often used in retrofit and upgrade projects. They can replace traditional AC fans to improve efficiency. System compatibility and mounting dimensions should be evaluated. Electrical and control integration may also be required.
3. Are EC centrifugal fans suitable for air handling units (AHUs)?
Yes, EC centrifugal fans are widely used in air handling units. They provide stable airflow and sufficient static pressure for ducted systems. Variable speed control allows precise airflow adjustment. This improves overall AHU energy efficiency.
4. Can EC fans be used in HVAC ventilation systems?
EC fans are well suited for HVAC ventilation systems. They support demand-based airflow control. High efficiency helps reduce operating costs. They are commonly used in modern HVAC designs.
5. What is the typical warranty for EC centrifugal fans?
Warranty terms vary depending on supplier and application. EC fans typically include a standard warranty period. Proper installation and operation are required to maintain warranty validity. Warranty details should be confirmed before purchase.