(1) When the equipment is in use, the pump must be turned on first and then turned on. The equipment cannot be energized when there is no water to avoid danger and damage to the equipment.

(2) When the equipment is running through water, do not power off at will.

(3) Do not touch the voltage output terminal when it is powered on to avoid danger.

(4) When the device is powered on, please keep the heat sink well ventilated.

(5) The electrical parts must not be exposed to water, or wrapped in plastic cloth.

(6) The equipment must be shut down during maintenance.

(7) If the subsequent process or equipment has fouled, the treated process or equipment should be drained after every 2 hours of operation, not less than 3 minutes each time; and regularly clean up the shed dirt to prevent the residue from blocking the equipment and causing an accident.

(8) When the equipment is loaded and unloaded, it shall not be knocked hard.

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