Shutdown
Explanation
Low Outlet Temperature Shut-
down
This annunciation will be triggered if the outlet temperature reading falls
below the value of the
Low Outlet Temperature Shutdown
parameter. This
shutdown will only be annunciated if the compressor is in the starting or run-
ning states.
Zero Load Shutdown
This annunciation will be triggered if the compressor is running and the
capacity slide remains below the zero load position for a set period of time.
No Oil Flow Detected Shutdown This annunciation will be triggered if the flow switch in the compressor hous-
ing becomes de-energized while the compressor is running, or if the switch
does not become energized within a set period of time once the compressor
is started. This annunciation will only be enabled for Sabroe compressors.
Power Reset Abort Shutdown
This annunciation will be triggered if the duration of a power outage exceeds
the value of the
Power Failure Restart Abort Timer
. This annunciation will
only be issued if the
Power Failure Restart Mode
parameter is not to
Disa-
bled
.
Pump Down Too Long Shut-
down
This annunciation will be triggered if the compressor remains in
Pump Down
mode for a period of time in excess of the value entered in the
Pump Down
Maximum Time
parameter.
Discharge Check Valve Failed
To Open Shutdown
This annunciation will be triggered if the discharge valve did not open when
instructed to do so by the panel. This annunciation will only be enabled if the
compressor is equipped with a motorized discharge check valve.
Discharge Check Valve Failed
To Close Shutdown
This annunciation will be triggered if the discharge valve did not close when
instructed to do so by the panel. This annunciation will only be enabled if the
compressor is equipped with a motorized discharge check valve.
Oil Drain Failed To Clear Shut-
down
This annunciation will be triggered if the Oil Drain input does not de-energize
within a set period of time after the compressor is instructed to start. This
annunciation will only be enabled for Hall compressors.
Low Auxiliary Safety Pressure
This annunciation will be triggered if the compressor
Auxiliary Safety Pres-
sure
falls below the value of the
Low Ammonia Storage Pressure Shutdown
parameter.
Low Pressure Differential
This annunciation will be triggered if the difference between the Suction
Pressure and the Discharge Pressure falls below a safe value. This annunci-
ation is for Grasso Compressors only.
Suction Check Valve Failed To
Open
This annunciation will be triggered if, after receiving an instruction to open,
the suction check valve has not indicated that it is fully open within the period
of time defined by the
Suction Check Failed To Open Shutdown Delay
parameter.
Annunciations
Shutdowns
Instruction Manual | GEA Omni™
Control panel
210
GEA Refrigeration North America, Inc. | E_806550_2 | Generated 12.01.2016
Содержание Omni
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