Spray 5- to 6-quart slow cooker with cooking spray. Cut beef into 1-inch cubes. In large bowl, toss beef with flour and 1/2 teaspoon of salt. In 12-inch skillet, heat oil over medium-high heat. Add half of the beef; cook and stir until browned. Remove from skillet to slow cooker. Repeat with remaining beef; discard flour. Add onions, carrots, celery, wine, tomatoes, broth, beans, 1 1/2 teaspoons salt, pepper and thyme to slow cooker.