1. Doors and windows shall be closed during disinfection.
  2. To ensure the disinfection effect, the disinfection time should be ≥ 120min.
  3. Since the machine uses ultraviolet circulating air for disinfection, the air around the machine should be kept smooth and free of obstacles.
  4. Special attention shall be paid during handling and loading and unloading to prevent the machine from being hit by hard objects or falling to the ground.
  5. In case of any abnormity found during use, such as peculiar smell or damage to the lamp tube, the power switch of the machine shall be turned off immediately and the power plug shall be pulled out.
  6. When the accumulated time of continuous use reaches 1000 hours, the filter cloth, primary efficiency and ultraviolet lamp tube shall be cleaned.

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