McQuay WMC Service Manual

www.DaikinApplied.com 45 IOM 1210-1 • MAGNITUDE
®
MODEL WMC CHILLERS
operaTIon
Table 13: Compressor Fault Alarms
Description OITS Alarm Message Alarm Reset
Compressor Current Overload Trip #1 COMPR STOP - Motor Current Overload Auto-clears
Compressor Current Overload Trip #2 COMPR STOP - Motor Current Overload
Auto-clears
Locked off if UL Limit is exceeded
High Motor Temperature Comp 1 COMPR STOP - High Motor Temperature Auto-clears
High Motor Temperature Comp 2 COMPR STOP - High Motor Temperature
Auto-clears
Locked off if Tripped 3x in 50 min
Overvoltage On Compressor 1 COMPR STOP - Line Voltage High Auto-clears
Overvoltage On Compressor 2 COMPR STOP - Line Voltage High Auto-clears
Undervoltage On Compressor 1 COMPR STOP - Line Voltage Low Auto-clears
Undervoltage On Compressor 2 COMPR STOP - Line Voltage Low Auto-clears
High Condenser Pressure Circuit 1 COMPR STOP - Condenser Pressure High
Auto-clears
Locked off if Tripped 3x in 50 min
High Condenser Pressure Circuit 2 COMPR STOP - Condenser Pressure High
Auto-clears
Locked off if Tripped 3x in 50 min
High Discharge Temperature Circuit 1 COMPR STOP - Discharge Temperature High
Auto-clears
Locked off if Tripped 3x in 50 min
High Discharge Temperature Circuit 2 COMPR STOP - Discharge Temperature High
Auto-clears
Locked off if Tripped 3x in 50 min
Starter Fault Compressor 1
COMPR STOP - Compressor Fault
(previously used for WMC general compressor fault)
Reset is dependent on specic alarm
Starter Fault Compressor 2
COMPR STOP - Compressor Fault
(previously used for WMC general compressor fault)
Reset is dependent on specic alarm
No Starter Transition Comp 1
COMPR STOP - Compressor Comm Loss
(previously used for compressor communication error)
Auto-clears
No Starter Transition Comp 2
COMPR STOP - Compressor Comm Loss
(previously used for compressor communication error)
Auto-clears
General Compressor Fault 1 COMPR STOP - Compressor Fault Reset is dependent on specic alarm
General Compressor Fault 2 COMPR STOP - Compressor Fault Reset is dependent on specic alarm
Communication Fault 1 COMPR STOP - Compressor Comm Loss Auto-clears
Communication Fault 2 COMPR STOP - Compressor Comm Loss Auto-clears
Interlock Fault NO START - Interlock Fault Auto-clears
Interlock Fault 2 NO START - Interlock Fault Auto-clears

McQuay WMC Specifications

General

Brand	McQuay
Model	WMC
Category	Chiller
Language	English