Daikin WMC Installation, Operation And Maintenance Manual page 48

Problem Alarms
Problems do not cause compressor shutdown but do limit operation of the chiller.
Table 14: Unit Problem Alarms
Description
Condenser Water Freeze Protect Comp 1
Condenser Water Freeze Protect Comp 2
Low Evaporator Pressure - Inhibit Loading Circuit 1
Low Evaporator Pressure - Inhibit Loading Circuit 2
Low Evaporator Pressure - Unload Circuit 1
Low Evaporator Pressure - Unload Circuit 2
Ground Fault Protection 1
Ground Fault Protection 2
Warning Alarms
Warnings only generate a warning message to the operator. Chiller operation is not affected.
Table 15: Unit Warning Alarms
Description
Entering Condenser Water Temperature Sensor Fault
Entering Evaporator Water Temperature Sensor Fault
Liquid Line Refrigerant Temperature Sensor Fault
Leaving Condenser Water Temperature Sensor Fault
Condenser Pump #1 Fault
Condenser Pump #2 Fault
High Discharge Temperature Comp 1
High Discharge Temperature Comp 2
Entering Evap Temperature Sensor Fault (EWT reset active)
Chiller Running with Limited Capacity
Load Balance Valve Fault 1
Load Balance Valve Fault 2
Table 16: Compressor Warning Alarms
Description
Repower After Power Loss 1
Repower After Power Loss 2
IOM 1210-1 • MAGNITUDE
COND PUMP ON - Condenser Pressure Low (Freeze)
COND PUMP ON - Condenser Pressure Low (Freeze)
NO ACTION - Liquid Line Temp Out of Range
MODEL WMC CHILLERS
®
OITS Alarm Message
NO LOAD - Evaporator Pressure Low
NO LOAD - Evaporator Pressure Low
UNLOAD - Evaporator Pressure Low
UNLOAD - Evaporator Pressure Low
COMPR STOP - Ground Fault
COMPR STOP - Ground Fault
OITS Alarm Message
NO ACTION - Condenser EWT Out of Range
NO ACTION - Evaporator EWT Out of Range
NO ACTION - Condenser LWT Out of Range
No Alert shown on OITS panel
No Alert shown on OITS panel
No Alert shown on OITS panel
No Alert shown on OITS panel
No Alert shown on OITS panel
No Alert shown on OITS panel
COMPR WARNING - Flooded Compressor
COMPR WARNING - Flooded Compressor
OITS Alarm Message
COMPR STOP - Line Voltage Low
COMPR STOP - Line Voltage Low
46
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peraTIon
Alarm Reset
Auto-clears
Auto-clears
Auto-clears
Auto-clears
Auto-clears
Auto-clears
Locked off (requires local reset)
Locked off (requires local reset)
Alarm Reset
Auto-clears
Auto-clears
Auto-clears
Auto-clears
No Alarm
No Alarm
No Alarm
No Alarm
No Alarm
No Alarm
Operator Cleared Only
Operator Cleared Only
Alarm Reset
Auto-clears
Auto-clears
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