American Standard CH530 - Manual (Page 78)

CDHF-SVU01C-EN 78
Figure 31. Cutout strategy
Machine Protection
and Adaptive
Control
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)