EC Fans introduction
EC(Electronically Commutation)Motors, as bulit-in DC inverter driver three-phase AC external rotor permanent magnet synchronous motors,its efficiency and low nose is considered to be the untimate fan energy technologies.
The basic functions and performances of EC fan controller
Sensorless permanent magnet motor drive;
Wide input voltage range, single-phase 110-270V, three-phase 250V-480V, 50/60Hz;
PC(Power factor correction): Passive and active(IEC61000-3-2);
Soft start, adjustable acceleration, CVT;
Design operating temperature range: -30 ~ 60 degrees of minimum selection (The device in accordance with -40~ 85 degrees);
Protection: Overvoltage, undervoltage, overtemperature, overcurrent, phase loss detection, communication failures...
The basic interface: O-10V/PWM, RS485/Modbus, 4-20mA..
The basic parameters of field-programmable: Maximum speed, minimum speed, maximum power, maximum current, resonance avoid...
Constant air pressure controlling function;
Embedded Design;
MC(Electro Magnetic Compatibility).
In recent year, ECOAIR's product line has been extended to Rooftop Package unit, DX duct unit, water cooled package unit, Fresh air unit with heat recovery, Medium/High static pressure Fan Coil Unit and more than 100 models, in addition to Hospital Theatre Package Units and Fresh Air Unit .
We are professional. Our staffs have many years of production expertise in HVAC manufacturer.
We are young. We are a young team full of vigor and innovation spirit.
We are concentration. We firmly believe that the brand comes from the trust of customers.
Only concentration can make us success.
We have dream. We have a dream: To provide the most suitable HVAC equipment to our customers.
We keep pursue innovation, improving providing our customer with good quality products, and warm-hearted service.
