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9-12V (Reach 12V, the current is appropriate to reach the full speed)
Power requirements: Voltage 12V (withstand voltage 16.8V), the power supply current output must be greater than 8A
Fan basic parameters: power of about 50-60W, blowing pressure of about 85 grams, the maximum wind speed of 23m/s
Maximum speed: about 90,000-100000rpm
7-24V (Reach full speed only when 24V current is appropriate)
Power requirements: Voltage 24V (can withstand voltage 25.v), the power supply current output must be greater than 6A
Fan basic parameters: power of about 70-90W, blowing wind pressure of about 110g, maximum wind speed 27m/s
Maximum speed: About 100000RPM
1, the positive and negative poles can not be reversed, reversed immediately burning board, need to break off the power supply wiring, there will be a spark, spark high voltage breakdown component risk.
2, the fan can not be blocked, need to be used in a ventilated environment, can not be sealed environment work. The ambient temperature can not exceed 50℃ operation, the motor is not waterproof, not dust-proof. A foreign object on the board can also cause a short circuit.
3, overpressure, blocking, undercurrent, short circuit will damage the control board or fan.
4, the controller can not be connected at will, need to consult the project. Any part has a corresponding function, one is indispensable. The parts are relatively fine, and welding needs to be careful.
5, speed regulation, the governor can only speed, adjust to the low speed to stop, there is no power cut off function. If the switch needs to be connected, only the positive pole of the power supply can come out and connect the switch, and it cannot be connected on the control board.
6, need to extend the power cord, the core is too small will affect the normal operation of the function. The longer the line, the greater the interference. Interference with the assembly causes the board to burn. You need to consult a technician.
7, in the case of voltage conditions, also need to meet the current output conditions, the motor can operate normally. Under the conditions of undervoltage and undercurrent may lead to poor motor.
8, the motor can not impact, landing, shell deformation will cause the wind blade stuck, blocked rotation, damage the fan.
9, the board is small, solder joints can not be pulled force. It is normal for the wire to break when it is bent many times.
10, the control board can not be fixed with hot sol, the control board can not dissipate heat normally, which will lead to short circuit. If you need to use a fixed line or board of the three proofing, you need to use PCB special three proofing paint.
11, the wiring needs to be welded and stable, can not touch the test connection, poor contact spark generated high pressure, fire control board.
12, the motor needs to run under fixed conditions, do not inhale debris, will jam the motor. Such as: modified vacuum cleaner use, need to have a filter device.
13, power-off/motor jitter and other abnormal cases, please immediately turn off the power, check whether the power supply voltage, current output is in line with the motor operating conditions, wiring is correct.
