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LP Alarms: Same logic as HP Alarm.
Ice Alarm: The objective of this alarm is to protect the MPHE. There are two alarms:
• Ice Water Alarm
• Ice Alarm
Both alarms are defined by user, and they stopped the unit. The first alarm to trip is Ice Water Alarm and if the temperature continuing
decreases and the unit has not stopped the Ice alarms must trip immediately.
DGS Alarm: When the DGS detects a leak of refrigerant a dry contact will close and the MXC controller will detect by a digital input
and the chiller will trip by DGS High Level alarm and the chiller will stop immediately and the Fans condenser will keep running until an
operator resets manually on MCX display.
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Figure 55. Logic of LP Alarm
Figure 56. Logic of Ice Alarm
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Mother /Son Logic
www.clima-flex.com
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