Daikin EWAT_B Operating Manual page 3

Air cooled chiller with scroll compressors
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5.2.2
5.2.3
5.3
Unit Rapid Stop Alarms ....................................................................................................................................... 30
5.3.1
UnitOffEvapWaterTmpLow - Evaporator Water Temperature Low alarm ................................................... 30
5.3.2
UnitOff ExternalAlarm - External alarm ....................................................................................................... 30
5.3.3
PVM alarm (A/C units only)......................................................................................................................... 30
5.3.4
UnitOff EvapWaterFlow - Evaporator Water Flow Loss alarm .................................................................... 31
5.3.5
UnitOff EXVDriverComm - EXV Driver Extension Communication Error .................................................... 31
5.4
Circuit Pumpdown Stop Alarms ........................................................................................................................... 31
5.4.1
Discharge Temperature Sensor fault .......................................................................................................... 31
5.4.2
CxOff OffSuctTempSen - Suction Temperature Sensor fault ..................................................................... 32
5.4.3
CxOff GasLeakage - Gas Leakage fault ..................................................................................................... 32
5.5
Circuit Rapid Stop alarms.................................................................................................................................... 32
5.5.1
CxOff CondPressSen - Condensing Pressure sensor fault ........................................................................ 32
5.5.2
CxOff EvapPressSen - Evaporating Pressure sensor fault ......................................................................... 33
5.5.3
CxOff DischTmpHigh - High Discharge Temperature Alarm ....................................................................... 33
CxOff CondPressHigh - High Condensing Pressure alarm ........................................................................ 34
5.5.4
5.5.5
CxOff EvapPressLow - Low Pressure alarm ............................................................................................... 34
CxOff RestartFault - Restart Fault .............................................................................................................. 35
5.5.6
5.5.7
CxOff MechHighPress - Mechanical High Pressure Alarm ......................................................................... 35
5.5.8
CxOff NoPressChange - No Pressure Change At Start Alarm.................................................................... 36
5.5.9
Cx FailedPumpdown - Failed Pumpdown procedure .................................................................................. 36
5.5.10 CmpX Protection - Compressor Protection ................................................................................................ 37
EWAT_B
Operating Manual
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