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WARNINGS/SHUTDOWNS MESSAGES
When a Shutdown occurs, the display backlight will fl ash
on and off to alert an operator of the shutdown. This vi-
sual warning will help get the attention of the operator in
a noisy engine room environment where audible alarms
may not be heard. Pressing any key on the keypad will
clear the fl ashing backlight.
NOTE: refer to 100-200/210 IOM for further VSD (Vyper™)
message details.
Following is the alphabetical listing of all the possible con-
ditions:
Analog Board 1 Communications Shutdown - It has
been detected that the program is no longer able to
communicate to Analog Board 1.
Analog Board 2 Communications Shutdown - It has
been detected that the program is no longer able to
communicate to Analog Board 2.
Auxiliary Input 1-20 Shutdown - The Auxiliary #1-
20 input module has been setup to indicate a shut-
down if it becomes de-energized.
Auxiliary Input 1-20 Warning - The Auxiliary #1-20
input module has been setup to indicate a warning if
it becomes de-energized.
Balance Piston 1 Shutdown - Balance piston con-
trol has been enabled. This shutdown will occur if the
difference between Discharge Pressure and Suction
Pressure is less than 60 PSI and the Balance Piston
output module (digital output module 12) is de-ener-
gized, then the Balance Piston pressure must be 1.1
times Suction Pressure plus or minus 15 PSI.
Balance Piston 2 Shutdown - Balance piston con-
trol has been enabled. This shutdown will occur if the
difference between Discharge Pressure and Suction
Pressure is greater than or equal to 60 PSI and the
Balance Piston output module (digital output module
12) is de-energized, then the Balance Piston pres-
sure must be 50 PSI below Discharge Pressure plus
or minus 15 PSI.
Balance Piston 3 Shutdown - Balance piston con-
trol has been enabled. This shutdown will occur if the
Balance Piston output module (digital output module
12) is energized, then Balance Piston pressure must
be within 20 PSI of Oil Pressure.
QUANTUM™ HD COMPRESSOR CONTROL PANEL
OPERATION
SECTION 5
Coalescer Filter Differential Shutdown – (For RCSI
only) A Shutdown will be occur when the differential
of Discharge Pressure to System Discharge Pressure
is greater than the setpoint for its Delay period.
Coalescer Filter Differential Warning – (For RCSI
only) This Warning will be issued when the differen-
tial of Discharge Pressure to System Discharge Pres-
sure is greater than the setpoint for its Delay period.
Compressor Auxiliary Shutdown - This shutdown
message is issued if while the compressor is running
and the Compressor Auxiliary input module, which
receives feedback from the motor starter, becomes
de-energized.
Compressor Capacity Unload Warning - While
stopping the compressor or if the compressor is off,
this indicates that the Slide Valve position has not
unloaded below the Highest Slide Valve Position to
allow starting the compressor setpoint.
Compressor Starting Failure-Aux. - This shutdown
message is displayed if after 30 seconds from the
time the start compressor command is sent the Com-
pressor Auxiliary input module is not energized.
Condensing Water in Separator Warning (Off) –
When the compressor is off, if the Separator Tem-
perature was less than the sum of the calculated
Dewpoint Temperature and the Off Safety Factor for
the Delay period.
Condensing Water in Separator Warning (Running)
– When the compressor is running, if the Discharge
Temperature was less than the sum of the calculated
Dewpoint Temperature and the On Safety Factor for
the Delay period.
DBS Communication Failure Warning – It has been
detected that the program is no longer able to com-
municate to a RAM DBS Motor Starter. To verify the
loss in communications, access Menu > Setpoints >
Motor, and check the DBS Software Version. This ver-
sion should read the actual version of the software,
but a communications loss will return a value of 0.00.
DBS Communication Failure Shutdown - It has
been detected that the program is no longer able to
communicate to a RAM DBS Motor Starter. To verify
the loss in communications, access Menu > Setpoints
090.040-O (MAR 12)
Page 139
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