Liquid Line Filter/Drier Installation

Install driers in a vertical position, if possible, so that the liquid is fed upward. The large volume of the drier reduces the velocity of the liquid. Install a good cleanable strainer in the liquid line between receiver and drier. It will save the drier from contamination by any foreign substances in the refrigerating system. This procedure improves and increases the effectiveness of the drier.

Excerpt from the Technical Institute Manual #2, available from the online store at the Refrigeration Service Engineers Society. RSES.ORG

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