54
OM
AGSD-1
High Oil Pressure Difference
Alarm description (as shown on screen):
Oil Pres Diff High N
Trigger:
Oil Press Differential value exceeds the Oil Press Differential setpoint for a time
greater than Oil Press Delay.
Action Taken:
Rapid stop circuit
Reset:
This alarm can be cleared manually via the Unit Controller keypad.
Compressor Starter Fault
Alarm description (as shown on screen):
Starter Fault N
Trigger:
If PVM set point = None(SSS): any time starter fault input is open
If PVM set point = Single Point or Multi Point: compressor has been running for at least 12
seconds and starter fault input is open
Action Taken:
Rapid stop circuit
Reset:
This alarm can be cleared manually via the Unit Controller keypad.
Thermistor Card Fault
Alarm description (as shown on screen):
Motor Temp High N
Trigger:
Open on digital input:
EXB1 ID1(circuit#1) EXB1 ID2(circuit#2) and EXB5
ID1(circuit#3)
Action Taken:
Rapid stop circuit
Reset:
This alarm can be cleared manually via the Unit Controller keypad.
Low OAT Restart Fault
Alarm description (as shown on screen):
LowOATRestart Fail N
Trigger:
Circuit has failed three low OAT start attempts
Action Taken:
Rapid stop circuit
Reset:
This alarm can be cleared manually via the Unit Controller keypad.
No Evaporator Pressure Drop After Start
Alarm description (as shown on screen):
No Evap Press Drop N
Trigger:
After start of compressor, at least a 1 psi drop in evaporator pressure has not
occurred after 15 seconds
Action Taken:
Rapid stop circuit
Reset:
This alarm can be cleared manually via the Unit Controller keypad.
No Pressure At Startup
Alarm description (as shown on screen):
No Press At Start N
Trigger:
[Evap Pressure < 5 psi OR Cond Pressure < 5 psi] AND Compressor start
requested
Action Taken:
Rapid stop circuit
Reset:
This alarm can be cleared manually via the Unit Controller keypad.
CP2 pLAN Failure
Alarm description (as shown on screen):
pLAN Failure CP2
Trigger:
Circuit three controller not found on pLAN for 60 seconds. Only applies to three
circuit chillers with two large controllers.
Action Taken:
Rapid stop circuit three
Reset:
Auto clear when CP2 is communicating with CP1 via pLAN
Summary of Contents for AGS 225D
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