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3-8-3. Content of alarm and setting point
Table 3-4 List of alarm and setting point in cooling operation
Purpose
Protection of
Chilled water
system
Prevention of
Crystallization
Protection of
generator
Protection of Motor
Others
Display
Chilled water temperature is too low.
Chilled water pump interlock has failure.
Few flow rate of chilled water
Cooling water temperature is too low.
Cooling water pump interlock has failure.
Few flow rate of cooling water
Generator's
temperature is too high.
High concentration of absorbent
Absorbent pump has overload.
Refrigerant pump has overload.
Purge pump has overload.
Ventilation fan interlock etc. have failure.
Capacity is too low.
Cooling tower fan has overload.
Contents of alarm
33
Setting point
2.5℃ or below
-
50% or below
24℃ or below
after 30 minutes
-
50% or below
95℃
65.0% or above
2 times
65.5% or above
Rated current
value or above
-
-
-
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