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The STRUCTURAL CONCEPTS 21-36266 is an electrical box assembly retrofit kit designed for use with CDR4859S display cases equipped with Carel controls. This assembly provides the electrical housing and wiring infrastructure needed to complete a controls retrofit on compatible refrigerated merchandising units. It is a direct-replacement component intended for installation by qualified refrigeration or commercial appliance service technicians working on Structural Concepts display case equipment.
This retrofit kit is specifically referenced for the CDR4859S model display case with Carel IJ control integration. It is suited for commercial refrigeration service environments, including grocery, convenience store, and food service applications where Structural Concepts open or closed merchandisers are in service. The kit supports a controls upgrade or like-for-like replacement of the electrical box assembly on affected units.
Referenced for use with the Structural Concepts CDR4859S display case in conjunction with Carel IJ control systems as a retrofit kit application.
Installation should be performed by a licensed refrigeration or commercial appliance service technician. Disconnect and lock out all electrical power to the display case before removing the existing electrical box assembly. Verify that the Carel control wiring connections are complete and secure before restoring power. Follow applicable NEC requirements and the manufacturer service documentation for this retrofit procedure.
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