The Spanish courses in the first cycle are instructed in Swedish, and you have to fulfill the general entry requirements in Swedish to be admitted (ie Swedish 3/TISUS).
Spanish: Level 1
For the course Spanish: Level 1, your Spanish level should be at B1 on the CEFR. Find a test here: http://www.cervantes.to/test_inicial.html
A result of 80 % or more on this test, indicates that your Spanish is in the right level for the course Spanish: Level 1. For information about entry requirements in Swedish, see www.universityadmissions.se