Product DescriptionEC 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
controllerSensorless 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). Product
Parameters Company & factoryOur
company was founded in January 2018, is a joint venture invested by
biggest air conditioning company in the South Africa and Ningbo
ECOAIR environment Technology Co.,Ltd.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
.Our philosophy: Integrity wins the market, quality makes the
lliture.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./* March 10, 2023 17:59:20 */!function(){function
s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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