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.
The Central Grocers distribution center in Joliet has been sold for $61 million to Supervalu Holdings. JOLIET â Supervalu Holdings Inc. has bought Central Grocers' distribution center in Joliet. The $61 million deal was approved in bankruptcy court on Tuesday. Central Grocers opened the 920,000-square-foot facility in 2009, when it moved its corporate offices and warehouse operations to Joliet.