230v EC Centrifugal 355mm Roof Ventilation Fans Embedded Design

230v EC Centrifugal Ventilation Fans 355mm Roof Ventilation Fan

1． Enable the selection of different power levels thus to get the best match of price and performance according to customers’load requirements

2． As the rotor is mounted to interior, the external rotor fan is more compact constructed, smaller and easy to abstract heat., thus ensure to maximum the reliability of fan operation,

Sustainable speed control benefits to achieve low operating costs, reduce CO2 emissions protect the environment, enable the direct, simple communication between the host controller and the system

3. Our Service

Safe-common necessity of company and customers

Excellent –worker and product

Efficiency-worker and product

Environment-enterprise and society

OFAN provides the most comprehensive services, includes: product diversification, against the clock delivery, documents support, and technical consulting service. “Customer is partner” is key to our success; ”Win the contract for customer” is our ultimate goal.

4. Protection: over voltage, over temperature, over current, phase loss detection, communication failures.

5. The basic interface: 0-10V/PWM, RS485/Modbus, 4-20Ma

6.The basic parameters of field programmable: Maximum speed, minimum speed, maximum power, maximum current,resonance avoid

7. Constant air pressure controlling function

8. Embedded design

9. Electro magnetic compatibility (EMC)

10.The safety grade of this series if IP54 and the insulation classes are available among B,F and H.

11. The products have got the CCC certificate in China and CE approval in Europe.

Construction
Cowls are of galvanised steel construction.
Impellers are backward-curved centrifugal design and are of high performance composite material.
Bird-mesh guards are an optional extra.
Powder-coating is an optional extra.

Special Note
Backdraft shutters are an optional extra. The pressure loss across the shutter has to be added to the system pressure before making selections.
All GL Gamma EC models can be pre-configured to suit specific sensors and specific applications. Please advise Fantech of these parameters at the time of order.
EC motors should be directly connected to their appropriate AC supply. EC motors should not be regularly power cycled.