Copeland^® brand products
Semi-Hermetic Compressors

Proven Technology
Reliability has been a benchmark of Emerson Climate Technologies, Inc. 3D technology. Now the latest generation of 3D technology is incorporated into the 4D and 6D to provide even greater reliability over the operating life of the semi-hermetic compressors.

Copeland brand product 4D and 6D models are Sentronic^® compatible so you can use the industry's most accurate and reliable lubrication protection system. A system that requires no capillary tubes that can break or leak, and offers maximum compressor protection as well as environmental integrity. To improve serviceability and ease of conversion, the improved 4D and 6D have the same footprint, mounting feet and service valve locations, and near equal capacities to previous models for drop-in replacement of existing 4D and 6D compressors.

Ease of Application
New 4D and 6D models are designed for lower sound, reduced pulsation and simplified application to lower the applied cost. "Manufactured by Emerson Climate Technologies, Inc." means you get more than just a compressor. It means you get Emerson Climate Technologies, Inc. guarantee of excellence in manufacturing and design technology, application assistance, and product service. It means you get compressors, like the improved 4D and 6D, that are designed for the broader application of environmentally acceptable refrigerants. You get all of this, and much more, to ensure that Copeland brand product semi-hermetic compressors are the right technology for today and tomorrow.

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