Operation
www.DaikinApplied.com 61
IOM 1274-3 • CENTRIFUGAL WATER CHILLERS
Table 23: Warning Alarms and Informative Messages
Screen Text
Action Taken
Troubleshooting
Clear
Evaporator Pump #1 Fault
Warning
No flow indicated with Evaporator Pump #1 ON AND [the other pump is
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor
Manual
Evaporator Pump #2 Fault
Warning
No flow indicated with Evaporator Pump #2 ON AND [the other pump is
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor.
Manual
Condenser Pump #1 Fault
Warning
No flow indicated with Condenser Pump #1 ON AND [the other pump is
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor.
Manual
Condenser Pump #2 Fault
Warning
No flow indicated with Condenser Pump #2 ON AND [the other pump is
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor.
Manual
Evaporator Water Freeze
Warning
Evap Sat Refr Temp < Evaporator Freeze SP while unit is not running.
Start evap pump and oil pump
Auto
Condenser Water Freeze
Warning
Cond Sat Refr Temp < Condenser Freeze SP while unit is not running.
Start cond pump and oil pump
Auto
Hold - Evaporator Pressure Low
Informative Message
Inhibits unloading. Pressure < Low Evap Pressure–Inhibit setpoint
Auto
Unload - Evaporator Pressure Low
Informative Message
Pressure < Low Evap Pressure–Unload setpoint
Auto
Sensor Fault: Liquid Line
Informative Message
Sensor is shorted or open. Check for loose wires or failed sensor. Unit
continues to run, performance may be affected
Auto
Sensor Fault: Evap EWT
Informative Message
Auto
Sensor Fault: Cond EWT
Informative Message
Auto
Sensor Fault: Cond LWT
Informative Message
Auto
IGV Sensor Fault
Informative Message
Auto
RLA High (Current)
Informative Message
Unit asked to stop but current still detected.
Auto
Tower Sump Temp Sensor Warning
Informative Message
Auto
Network Amp Limit Active
Informative Message
Auto
Soft Load Running
Informative Message
Auto
Discharge Temperature High (Load)
Informative Message
Auto
Unload Inhibited RLA at Min
Informative Message
Auto
LWT Slope Limit
Informative Message
If Heat Mode, LWT is from condenser
Auto
Evaporator Press Load Inhibit
Informative Message
Auto
Amp Limit No Load
Informative Message
Auto
Evaporator Pressure Unload
Informative Message
Auto
Amp Limit Unload
Informative Message
Auto
VFD at Minimum Speed
Informative Message
Auto
Staging Unload
Informative Message
Auto
Vane Mode
Informative Message
Auto
VFD Mode
Informative Message
Auto
Maximum Amps No Load
Informative Message
Auto
Maximum Amps Unload
Informative Message
Auto
Motor Temperature Unload
Informative Message
Auto
Motor Temperature No Load
Informative Message
Auto
Motor Coolant Loss
Informative Message
Auto
Motor Coolant Capacity-Limited
Informative Message
Auto
Oil Reclaim System Activated
Informative Message
Auto
Содержание WSC
Страница 4: ......
Страница 21: ...Installation www DaikinApplied com 21 IOM 1274 3 CENTRIFUGAL WATER CHILLERS Figure 17 Compressor Control Box ...
Страница 22: ...IOM 1274 3 CENTRIFUGAL WATER CHILLERS 22 www DaikinApplied com Installation Figure 18 Unit Control Box ...
Страница 73: ... www DaikinApplied com 73 IOM 1274 3 CENTRIFUGAL WATER CHILLERS ...
Страница 74: ...IOM 1274 3 CENTRIFUGAL WATER CHILLERS 74 www DaikinApplied com ...