1. Corporation allows full-voltage starting or antihypertensive electric electricity, but it should be noted that the current current of about 5-7 times the current at full pressure starts.Use the starting start.
2. When a centrifugal fan is tested, you should read the product instructions carefully and check whether the wiring method is consistent with the wiring diagram; you should carefully check whether the working voltage of the supply fan power supply meets the requirements, whether the power supply is lacking or the same as the phase, and the distributor component component component componentWhether the capacity meets the requirements.
3. The number of people is not less than two when testing. One person controls the power supply. One person observes the operation of the fan and found that the abnormal phenomenon is immediately shut down to check. First check whether the rotation direction is correct; after the centrifugal fan starts to run, check whether the operating current of each operation is balanced immediately.Whether the current exceeds the rated current; if there is an abnormal phenomenon, it should be stopped for inspection.After five minutes of operation, the stop checking the fan is abnormal, and confirmed that there is no abnormal phenomenon before turning on.
4. When trying the dual -speed centrifugal fan, start at a low speed to check whether the rotation direction is correct; when starting at a high speed, you must start at the static of the fan to prevent high -speed reverse rotation, causing the switch to stick and the motor to be damaged.
5. When the centrifugal fan reaches normal speed, the input current of the fan should be measured, and the operating current of the centrifugal fan shall not exceed its rated current.If the operating current exceeds its rated current, check the voltage of the supply is normal.
6. The power required by the centrifugal fan refers to the greater power required when the air inlet is fully opened under certain operating conditions.If the air inlet runs fully, the motor is in danger of damage.When the fan test drives, the valve imports or the valve on the export pipeline is better turned off. After running, the valve is gradually turned on to reach the required conditions. Pay attention to whether the operating current of the fan exceeds the rated current.
Debugging the centrifugal fan in strict accord