Ec Centrifugal Fans Sheet Aluminium With Fresh Air System 310mm
To control the motor accurately and efficiently the integrated
electronics have to continuously monitor the motor speed and adjust
the control input. By making this circuitry available to external
sources it’s possible to provide simple speed control options.
Dependent on the motor type, any sensor which can provide a
0-10V/PWM or 4-20mA input can be directly connected to provide
closed loop control for temperature, pressure or whatever parameter
you choose to measure. No need to worry about DC supplies for the
sensors either, this is provided by another connection on the
motor. In fact, simply connect a potentiometer and you have
infinitely variable speed control. No triacs, no frequency
inverters and no whining noises! An EC motor under speed control is
The GL Gamma EC Series of centrifugal roof mounted exhaust fans
incorporate the latest state of the art, energy saving EC motor
They feature integrated infinitely variable speed control and
eliminate the need for external VSDs, current overloads and motor
The compact and low profile GL Gamma EC Series is a simple "plug
and play" system which means installers do not need to have
specialised control programing knowledge.
Matching sensors can easily be connected to monitor the ambient
conditions in a space and provide real time feedback to the fan.
The fan's on-board microprocessor can adjust the speed and
therefore modulate the ventilation rate to match the specific
requirements of the area.
They are suited to ducted vertical exhaust applications, include a
removable windband that provides easy access for cleaning and
maintenance, and are available in 315, 355, 450, 560 and 630mm fan
Currently, both at home and abroad, the EC axial fan has been
widely used in various fields, especially ventilation, large air
conditioning and refrigeration. The compact structure and
continuous controllability of EC centrifugal fan has been into full
play to air handing units, computer modules, communication systems
,clean room systems, roof fans, home machine automotive and rail
Constant pressure : Used in conjunction with a pressure sensor, the
fan maintains the same pressure at varying airflow (ideal for
ducted applications). Operates with forward curved centrifugal fans
without pressure sensor and with backward curved motorised
impellers with pressure sensor (Available on Ecofit fans).
1. Are you a factory or trading company?
We are a factory which specialized in produce external rotor motor
about 10 years. We accept OEM or ODM
2. Can we buy a sample for testing?
Sure, you are welcomed to buy a sample before mass order.