The Students Union (Your SU) oversees the microwaves across campus for student use. The Students Union microwaves are located in social spaces and foyers close to cafe spaces across campus: Microwaves on Campus @ University of Sunderland Students' Union (sunderlandsu.co.uk). They are not located within the University Libraries.
You can contact The Students Union (Your SU) here: sunderlandsu.co.uk/contactus
Address:
University of Sunderland Students' Union,
Ground Floor, Edinburgh Building,
Chester Road,
Sunderland,
SR1 3SD
Telephone: (0191) 515 3030
Email: yoursu@sunderland.ac.uk