Winfried Schaefer’s team now sits fourth with 34 points, four points behind leader Sepahan.
Farshid Esmaeili opened the scoring for the host just seven minutes into the match.
South African midfielder Ayanda Patosi made it 2-0 in the 40th minute and Mohammad Daneshgar scored in the 50th minute.
Earlier in the day, Tractor Sazi drew 0-0 with Saipa in Tehran’s Shahr-e Qods Stadium.
Tractor Sazi moved down to fifth place and Saipa moved up to 10th place.