38
AGZ 025D through 190D
OMM 1087-1
Unit Warning Alarms
External Event
Trigger:
External Alarm/Event input is open for at least 5 seconds and external fault is configured as
an event.
Action Taken:
None
.
Reset:
Auto clear when digital input is closed.
Bad Demand Limit Input
Trigger:
Demand limit input out of range and demand limit is enabled. For this alarm out of range is
considered to be a signal less than 3mA or more than 21mA.
Action Taken:
Cannot use demand limit function.
Reset:
Auto clear when demand limit disabled or demand limit input back in range for 5 seconds.
Bad LWT Reset Input
Trigger:
LWT reset input out of range and LWT reset is enabled. For this alarm out of range is
considered to be a signal less than 3mA or more than 21mA.
Action Taken:
Cannot use LWT reset function.
Reset:
Auto clear when LWT reset is disabled or LWT reset input back in range for 5 seconds.
Evaporator EWT Sensor Fault
Trigger:
Sensor shorted or open
Action Taken:
None.
Reset:
Auto clear when the sensor is back in range.
Circuit Fault Alarms
PVM/GFP Fault
Trigger:
Power Configuration
=
Multi Point and
circuit
PVM/GFP input is open.
Action Taken:
Rapid stop circuit.
Reset:
Auto reset when input is closed for at least 5 seconds or if Power Configuration = Single Point.
Low Evaporator Pressure
Trigger:
This alarm should trigger when Freeze time is exceeded, Low Ambient Start is not active, and Circuit
State = Run. It should also trigger if Evaporator Press < 137.9 KPA (20 PSI) and Circuit State = Run.
Summary of Contents for AGZ-D 25
Page 12: ...12 AGZ 025D through 190D OMM 1087 1 Figure 2 Typical Field Control Wiring...
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