Machine Protection
and Adaptive
Control
Figure 31. Cutout strategy
Limit Loading: The potential to limit loading increases as the saturated evaporator temperature approaches the evaporator limit setpoint.
Unload: The potential to unload increases as the saturated evaporator temperature falls further below the evaporator limit setpoint.
Figure 31 illustrates these functions as follows:
•chilled water setpoint (top bold line)
•evap leaving water temp cutout (center bold line)
•evap rfgt temp cutout (bottom bold line)
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