Enhanced manual start/stop sequencing controls for a stream...

Details Enhanced manual start/stop sequencing controls for a stream... Enhanced manual start/stop sequencing controls for a stream...

2004-12-17

2008-09-09

Tyler, Cheryl J. (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S228400, C062S228500, C062S231000, C060S239000, C060S646000

Reexamination Certificate

active

07421853

ABSTRACT:
A control system and method for interactive startup and shutdown of a steam turbine driven chiller unit is provided. The chiller unit includes an integrated central control panel to control operation of both the steam turbine system and the refrigerant system. The central control panel has startup control system to assist an operator manually start the steam turbine system and the refrigerant system and a shutdown control system to assist an operator manually shutdown the steam system and the refrigerant system. Both the startup control system and the shutdown control system include logic for performing necessary protective actions and for notifying an operator when to perform required actions.

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