When the defrost cycle energizes the reversing valve switches mode to the air conditioning mode switching the whole heat pump system into an air conditioner in the cooling mode. This is necessary to defrost the condenser coils but it is counteracted through the defrost control by the defrost control.
Unified Grocers. Unified Grocers, originally Unified Western Grocers, is a retailer-owned wholesale grocery cooperative that supplies independent supermarkets in the Western United States. It was formed in 1999 as the merger of United Grocers of Oregon (founded 1915) and Certified Grocers of California (founded 1922). In 2007 it acquired Associated Grocers of Seattle, Washington, and changed its name to Unified Grocers. The company has its headquarters in Commerce, California.
Teamsters go to court to block potential sale of Joliet-based Central Grocers. Ultra Foods is seen Wednesday in Joliet. The store is among nine closing by June 18. The union representing warehouse workers at Central Grocers, which owns Ultra Foods, has filed a lawsuit to block the potential sale of the company. JOLIET â The union representing warehouse workers at Central Grocers has filed a lawsuit to block the potential sale of the company. Joliet-based Central Grocers has not confirmed that it is in the process of being sold, although one store owner said the grocery co-op in late February did send a letter to its members suggesting the possibility.