System and method for lowering a temperature of liquid...

Details System and method for lowering a temperature of liquid... System and method for lowering a temperature of liquid...

2008-07-17

2010-12-21

Jarrett, Ryan A (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Specific application of temperature responsive control system

C700S302000, C062S498000

Reexamination Certificate

active

07856292

ABSTRACT:
A pull-down control process for a chiller system is provided. The pull-down control process can override the capacity control process for the chiller system to pull-down the leaving chilled liquid temperature faster than the capacity control process. The pull-down control process can maintain pre-rotation vanes in a fully open position to pull-down the leaving chilled liquid temperature as quickly as possible to a predetermined setpoint.

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patent: 2059642 (1981-04-01), None
patent: 03089118 (2003-10-01), None

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