Start-up method and apparatus in refrigeration chillers

Details Start-up method and apparatus in refrigeration chillers Start-up method and apparatus in refrigeration chillers

1997-06-11

2000-03-14

Wayner, William

Refrigeration

Processes

Compressing, condensing and evaporating

62204, 62219, F25B 4104, F25B 4900

Patent

active

060356510

ABSTRACT:
The existence of inverted start conditions in a refrigeration chiller is accurately identified by sensing the liquid level in the chiller evaporator. That liquid level is indicative of the location of the chiller's refrigerant charge at start-up. If the sensed liquid level is below a predetermined level, an inverted start condition is verified to exist. Failed starts and chiller system shutdowns are reduced or avoided as compared to systems in which less reliable indicators are used to identify the existence of inverted start conditions.

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