direct return system

direct return system

[di¦rekt ri′tərn ‚sis·təm]
(mechanical engineering)
In a heating or cooling system, a piping arrangement in which the fluid is returned to its origin (boiler or evaporator) by the shortest direct path after it has passed through each heat exchanger.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

direct return system

A piping arrangement for a heating system (or air-conditioning or refrigeration system) in which the heating (or cooling) fluid, after it has passed through each heat exchanger, is returned to the boiler (or evaporator) by the shortest direct path.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Direct return systems use less piping and are depicted in Figure 1.