Product Introduction
ECNITY EC smart ventilation fan typically consists of an impeller, a scroll housing, and a motor. As the impeller rotates, air is accelerated outward by centrifugal force and guided smoothly through the housing toward the outlet. Depending on the impeller design-such as backward curved, forward curved, or radial blades - the fan can be optimized for efficiency, airflow volume, or resistance to dust and contaminants.
EC Smart Ventilation Fan 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-B250-H056-E115-B01 |
115 |
90~135 |
50/60 |
2.60 |
175 |
2750 |
1700 |
716 |
75 |
|
EN-B250-H056-E230-B01 |
230 |
184~274 |
50/60 |
1.30 |
175 |
2750 |
1700 |
716 |
75 |
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 |
||
Noise control is also an advantage of EC smart ventilation fans. The enclosed housing and optimized blade geometry help reduce airborne noise, especially in ducted installations. With proper system design and optional accessories such as vibration isolators or acoustic insulation, these fans can meet stringent noise requirements. Overall, centrifugal ventilation fans combine performance stability, adaptability, and durability, making them a dependable choice for long-term ventilation applications.
In commercial buildings, EC smart ventilation fans are integral components of HVAC systems, air handling units, commercial kitchens, laboratories, and underground parking facilities. They ensure consistent air exchange, control odors, and help maintain safe indoor environments. In laboratories and healthcare facilities, these fans support controlled airflow and pressure management, contributing to occupant safety and regulatory compliance.
Residential and light commercial applications include bathroom ventilation, basement air circulation, and energy-efficient housing systems. With increasing focus on indoor air quality and energy efficiency, centrifugal ventilation fans are often paired with advanced control systems to adjust airflow based on real-time demand. This versatility allows them to serve as a core ventilation solution across diverse applications.
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FAQ
Q: 1. Are EC centrifugal fans suitable for energy audits or efficiency upgrades?
A: EC centrifugal fans are often selected for energy audits and retrofit upgrades. They help reduce power consumption compared to traditional fans. Improved control supports energy optimization. This makes them suitable for efficiency improvement projects.
Q: 2. How stable is airflow output from an EC fan?
A: EC fans provide stable airflow due to electronic speed control. Output remains consistent under changing conditions. Integrated control compensates for minor system variations. This improves system performance and reliability.
Q: 3. Can EC fans be used in air purification systems?
A: Yes, EC centrifugal fans are commonly used in air purification systems. They provide reliable airflow through filters and purification components. Speed control allows adaptation to filter loading. This supports consistent purification performance.
Q: 4. Are EC fans compatible with frequency control systems?
A: EC fans do not require external frequency converters. Speed control is handled by the integrated electronics. External frequency control is generally unnecessary. Control should be done via supported input signals.
Q: 5. What factors affect the efficiency of an EC fan system?
A: System efficiency depends on fan selection, duct design, and control strategy. Operating the fan near its optimal point improves efficiency. Proper system design is critical. EC technology enhances efficiency but does not replace good engineering.