PuriFan EC FFU

Product Overview

As a premier manufacturer and large-scale supplier of advanced cleanroom solutions, we introduce our highly efficient EC fan filter unit. Engineered for critical industrial environments requiring Class 1 to Class 100 cleanliness, this unit integrates superior aerodynamics with intelligent network management to guarantee absolute atmospheric purity.

• Equipped with an advanced, energy-saving brushless DC motor.

• Delivers a robust 50 to 150Pa external static pressure.

• Constructed entirely with ultra-low chemical off-gassing materials.

• Supports massive centralized network management for large facilities.

Product Description

This advanced fan filter unit represents the pinnacle of cleanroom air filtration craftsmanship, meticulously designed to transform demanding enterprise environments. When you stand beneath this unit, the immediate sensation is one of profound quietness and stability; the gentle, uniform breeze it delivers is completely free from the harsh acoustic turbulence commonly associated with standard filtration systems. The sleek, robust cabinet, available in premium galvanized steel, stainless steel, or aluminum, feels remarkably solid to the touch and visually aligns with the pristine nature of cutting-edge manufacturing facilities. By harnessing a highly responsive brushless DC motor, it effortlessly drives air through dense filtration media, ensuring that microscopic particulate matter is captured long before it can compromise sensitive operations.

Facility managers will deeply appreciate the seamless integration into existing ceiling grids, eliminating the friction and downtime of complex retrofits. The unit's precise engineering ensures that it does not merely move air; it meticulously curates the atmospheric purity required for high-yield semiconductor fabrication, delicate panel display assembly, and sterile biopharmaceutical processing. With its intelligent control architecture and exceptionally low vibration profile, this filtration system grants operators absolute peace of mind, knowing their critical environments are protected by reliable, top-tier purification technology.

Product structure diagram

Air pressure and power consumption curve

Dimensions  (non-standard dimensions can be customized)

Advantages of PuriFan EC FFU

(gradual current discharge function, effectively protecting the power grid system)

Figure 1 shows the diagram of the startup current of common AC FFUs and some domestic DC FFUs. Within 2.5 seconds after startup, a very large inrush current is generated, which  is  usually  3.5  times  of the  running current, causing a great impact on the power grid and power switching system.

AIX's EC FFU adopts high-quality DC motor fan with gradual current discharge function. The current gradu- ally increases within 12 seconds after the FFU starts and finally  reaches  the  running  current,  thus  effectively protecting the power grid and power switching system, as shown in Figure 2.

Key Features & Highlights

Elevate your facility's operational standards with engineering that prioritizes both unyielding performance and environmental integrity. This unit is packed with sophisticated enhancements that streamline daily operations while safeguarding your critical processes.

• Ultra-Low Chemical Dispersion:

• Every component is rigorously tested and manufactured from materials that exhibit minimal chemical off-gassing, preserving the absolute integrity of your cleanroom environment.

• Exceptional Airflow Uniformity:

• The uniquely engineered air duct structure boosts outlet uniformity by 5% to 8%, creating a perfectly balanced laminar flow that bathes your workspace in purified air.

• Whisper-Quiet Operation:

• Advanced acoustic dampening and aerodynamic refinements reduce operational noise by approximately 5 dBA, fostering a more comfortable and focused environment for personnel.

• Vibration Reduction:

• Structural integrity enhancements decrease mechanical vibration by 20%, protecting sensitive calibration equipment and delicate manufacturing processes nearby.

• Versatile Hardware Compatibility:

• The flexible chassis seamlessly fits into various ceiling frameworks, including gel seal systems, without the need for cumbersome clamping devices.

• Comprehensive Accessory Ecosystem:

• Tailor your setup with optional air-inlet filters, diffusers, DOP test holes, and real-time particle or humidity monitors for absolute environmental command.

Energy Efficiency & OPEX

Managing long-term operational expenditures is a critical priority for large-scale enterprise facilities. This filtration unit is meticulously engineered to drastically cut power consumption without compromising on rigorous air delivery metrics.

• Advanced EC Motor Technology:

• The integration of a premium brushless DC motor yields a remarkable 30% to 40% reduction in energy usage compared to conventional AC alternatives.

• High Overall Efficiency:

• Achieving an impressive overall system efficiency of 58% to 60%, ensuring that every watt drawn translates directly into effective, high-volume air purification.

• Optimized Power Consumption:

• Tailored power curves demonstrate minimal wattage requirements even at optimal air speeds of 0.45m/s, directly shrinking monthly utility bills for expansive cleanrooms.

• Sustainable Facility Operations:

• By drastically lowering the carbon footprint of your cleanroom, this unit aligns perfectly with modern corporate sustainability goals and green building certifications.

Intelligent Group Control & Maintenance

Overseeing a vast network of cleanroom filtration units demands a control architecture that is both robust and intuitive. The proprietary AIX-I control system transforms complex facility management into a streamlined, highly visual experience.

• Massive Scalability:

• Effortlessly network and centrally manage up to 62,992 units via a single PC, or utilize tablet group control for up to 7,905 units in smaller, localized zones.

• Lightning-Fast Response:

• The server retrieves data from all Super Gateways every 8 seconds, while the tablet system boasts a response time of less than 1 second, ensuring real-time environmental mastery.

• CAD-Level Visual Interface:

• The software utilizes a C-language CAD kernel, allowing operators to pan and zoom across the facility layout seamlessly without graphic distortion or lag.

• Intelligent Partitioning & Alarms:

• Features multi-layer hierarchical management, automated schedule execution, and instant fault detection to preemptively address maintenance needs.

• Streaming Video Integration:

• Advanced capabilities include work site streaming video surveillance, giving facility managers uncompromised visual confirmation of cleanroom conditions remotely.

Soft start and brake function, effectively protecting the fan Figure 3

IPFC active filtering system (grid current waveforms under different filtering systems)

Manual control

Cigeair's EC FFU has powerful functions. It can realize the start, stop and speed setting of single FFU and group FFU as well as the FFU fault detection, and it can also realize the control of gateway.

With  a  full-Chinese  menu,  the  device  is  easy  to  operate.  It  is  also equipped with high-performance lithium battery, so it can work continuous-ly for 20 hours and can be charged via USB.

Tablet group control

1. The DC tablet group control system is suitable for multi-room separate control or small clean workshop field control.

2.  The  control  system  consists  of  the  tablet,  signal  collector,  signal amplifier (no amplifier for less than 31 FFUs), and FFU, with the response time of less than 1s.

3. Each amplifier can connect up to 31 FFUs, and the system can connect up to 255 amplifiers to control maximum 7905 FFUs.

Intelligent control system AIX-1

AIX-I is a hierarchical control system that resides on a public infrastructure network based on open system standards, allowing seamless integra-tion and interoperability. It is a control system specially developed for the remote centralized control of super large FFUs in large clean workshops, with comprehensive access control and many other functions, it is suitable for large and medium-sized enterprises.

The PuriFan EC FFUs/EFUs realize link control of the remote control terminal (PC) through the Super Gateway.

Each Super Gateway can control 8 groups of FFU/EFU, totaling 248 units, and one PC can link 254 Super Gateways through the switch to control a maximum of 62992 FFUs/EFUs. The server can receive data from all the Super Gateways every 8s, and the response speed of the whole control system is tens of times faster than other ordinary control systems.

Why Choose Us

Partnering with a dedicated manufacturer guarantees more than just exceptional hardware; it ensures a comprehensive ecosystem of support, continuous innovation, and unwavering reliability tailored to your enterprise needs.

• Uncompromising Manufacturing Standards:

• We leverage advanced precision manufacturing facilities to ensure every unit meets exacting global tolerances for cleanroom equipment.

• Continuous Technological Innovation:

• Our dedicated research and development teams constantly push the boundaries of aerodynamic efficiency and intelligent control software, keeping your facility ahead of the curve.

• Direct Source Value:

• By streamlining the supply chain directly from the manufacturer, we deliver premium, high-performance filtration solutions at highly competitive price points.

• Expert Engineering Support:

• From initial facility layout consultation to customized dimensioning and control system networking, our technical engineers provide end-to-end project guidance.

• Proven Industry Track Record:

• Trusted by leading enterprises across the semiconductor, food processing, and microelectronics sectors to protect their most critical manufacturing processes.

FAQ

Q1: How does the 12-second soft start mechanism protect our facility's electrical infrastructure?

Traditional filtration units generate a massive inrush current up to 3.5 times their normal operating rate upon startup, which can severely stress power switching systems. Our advanced EC motor utilizes a gradual current discharge function, slowly ramping up the current over 12 seconds. This completely eliminates the startup surge, preventing voltage drops and protecting your entire grid from damaging electrical shocks.

Q2: Can the AIX-I control system integrate with our existing Windows-based servers?

Yes, absolutely. Unlike older traditional control systems that are restricted to legacy operating systems like Windows XP SP2 or Windows 7, the AIX-I system is built on an open system standard. It is fully compatible with all current versions of Windows and is designed with future-proofing in mind, ensuring seamless integration into your existing IT infrastructure without requiring dedicated legacy hardware.

Q3: What makes the materials used in this unit suitable for semiconductor manufacturing?

Semiconductor fabrication is highly sensitive to airborne molecular contamination. To combat this, every component of our unit is manufactured from rigorously tested, low chemical gas dispersal materials. Furthermore, we offer optional PTFE filters that provide even lower chemical off-gassing compared to standard glass fiber media, ensuring the absolute atmospheric purity required for Class 1 to Class 100 environments.

Q4: Is it possible to customize the dimensions of the unit for a non-standard ceiling grid?

Yes. While we offer standard configurations such as 2×2, 2×4, and 4×4, our manufacturing capabilities allow for complete customization. Our engineering team can design and produce units with non-standard dimensions to perfectly match your specific architectural constraints and ceiling framework requirements, ensuring a flawless fit for any facility layout.

Q5: How does the active filtering system (IPFC) improve overall power quality?

Without a filtering system, grid current waveforms often suffer from serious distortion, which can interfere with sensitive nearby equipment. Our IPFC active filtering system continuously recalculates and corrects the grid waveform, bringing it to an approximate standard sine wave. This process operates with a conversion efficiency of up to 99%, ensuring clean, stable power delivery and eliminating harmful harmonic distortions.

Cigeair PuriFan FFU Factory Acceptance Test (FAT) Watch this video to see our strict factory testing process for the PuriFan FFU, including airflow, noise, and filtration performance checks.

Every unit undergoes full inspection before shipment to ensure compliance with international cleanroom standards.