I recently bought a brand new house which has new AC unit. but the outdoor AC unit constantly makes the loud humming noise which also vibrates refrigerant pipe. see the attached video link. what could be the problem?? Is this humming noise is normal??

<https://drive.google.com/drive/folders/1arvnQP6-KxBKUqhklRQq9QCtNPBq9Nyh?usp=sharing>

Thank you in advance