McQuay WMC Service Manual

www.DaikinApplied.com 47 IOM 1210-1 • MAGNITUDE
®
MODEL WMC CHILLERS
operaTIon
Events
Events do not generate a warning message to the operator but they may notify the BAS, if used. Chiller operation may be affected
by events.
Table 17: Unit Events
Description OITS Alarm Message Alarm Reset
High Motor Current On Compressor #1 No Alert shown on OITS panel No Alarm
High Motor Current On Compressor #2 No Alert shown on OITS panel No Alarm
Evaporator Freeze Protect Comp 1 EVAP PUMP ON - Evaporator Pressure Low (Freeze) Auto-clears
Evaporator Freeze Protect Comp 2 EVAP PUMP ON - Evaporator Pressure Low (Freeze) Auto-clears
Evaporator Pump #1 Fault No Alert shown on OITS panel No Alarm
Evaporator Pump #2 Fault No Alert shown on OITS panel No Alarm
Re-Start Fault No Alert shown on OITS panel No Alarm
Re-Start Fault Circuit 1 No Alert shown on OITS panel No Alarm
Re-Start Fault Circuit 2 No Alert shown on OITS panel No Alarm
Table 18: Compressor Events
Description OITS Alarm Message Alarm Reset
Bearing Fault 1 COMPR STOP - Compressor Fault
Auto-clears
Pauses 20 min after 3rd alarm in 50 min
Bearing Fault 2 COMPR STOP - Compressor Fault
Auto-clears
Pauses 20 min after 3rd alarm in 50 min
Motor Fault 1 COMPR STOP - Compressor Fault
Auto-clears
Pauses 20 min after 3rd alarm in 50 min
Motor Fault 2 COMPR STOP - Compressor Fault
Auto-clears
Pauses 20 min after 3rd alarm in 50 min
Drive Fault 1 COMPR STOP - Compressor Fault Auto-clears
Drive Fault 2 COMPR STOP - Compressor Fault Auto-clears
Internal Control Fault 1 COMPR STOP - Compressor Fault Auto-clears
Internal Control Fault 2 COMPR STOP - Compressor Fault Auto-clears

McQuay WMC Specifications

General

Brand	McQuay
Model	WMC
Category	Chiller
Language	English