Control of multi-circuit economized system

Details Control of multi-circuit economized system Control of multi-circuit economized system

2005-11-22

2005-11-22

Jiang, Chen Wen (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S513000, C062S510000

Reexamination Certificate

active

06966193

ABSTRACT:
Multiple refrigerant circuits are operated in parallel, and each has an economizer cycle. One of the two circuits may have a greater capacity than the other. By controlling the two circuits to run in economized, conventional, bypassed, or economizer bypassed operation, the control is able to match demanded capacity. Moreover, by exercising similar technique, the control can provide better humidity control, can limit or maintain head pressure, and can avoid power consumption peaks.

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Systems & Advanced Technologies Engineering S.r.I., publication entitled “Compsys—Dynamic Simulation of Gas Compression Plants”, dated Jun. 12, 2002.
Copeland Europe publication entitled “Refrigeration Scroll for Parallel Applications” dated Feb. 26, 2002.

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