Officials expect the Arlington Square Ice Rink — scheduled to open Friday — should make a profit this year, the first time since it began operations in 2009.However, Parks and Recreation Director Roger Moellendorf said that’s not really the point. “That’s the secondary purpose of it,” he said. “The primary purpose is to provide a recreational opportunity in the dead of winter right downtown.”Moellendorf said the Downtown Business Association has worked with the city to make the ice rink a draw to the area. He said more than 10,000 skaters visited the rink last year, including many young people. “We …