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.
United Supermarkets. United Supermarkets is a North American supermarket grocery store chain. With headquarters in Lubbock, Texas, its roots go back to 1916, when H.D. Snell opened his first United Cash Store in Sayre, Oklahoma. Today, his legacy has grown to include 66 stores in 30 Texas cities and over 10,000 workers.